1 /* 2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4199068 4738465 4937983 4930681 4926230 4931433 4932663 4986689 27 * 5026830 5023243 5070673 4052517 4811767 6192449 6397034 6413313 28 * 6464154 6523983 6206031 4960438 6631352 6631966 6850957 6850958 29 * 4947220 7018606 7034570 30 * @summary Basic tests for Process and Environment Variable code 31 * @run main/othervm/timeout=300 Basic 32 * @author Martin Buchholz 33 */ 34 35 import java.lang.ProcessBuilder.Redirect; 36 import static java.lang.ProcessBuilder.Redirect.*; 37 38 import java.io.*; 39 import java.util.*; 40 import java.util.concurrent.CountDownLatch; 41 import java.util.concurrent.TimeUnit; 42 import java.security.*; 43 import java.util.regex.Pattern; 44 import java.util.regex.Matcher; 45 import static java.lang.System.getenv; 46 import static java.lang.System.out; 47 import static java.lang.Boolean.TRUE; 48 import static java.util.AbstractMap.SimpleImmutableEntry; 49 50 public class Basic { 51 52 /* used for Windows only */ 53 static final String systemRoot = System.getenv("SystemRoot"); 54 55 /* used for Mac OS X only */ 56 static final String cfUserTextEncoding = System.getenv("__CF_USER_TEXT_ENCODING"); 57 58 private static String commandOutput(Reader r) throws Throwable { 59 StringBuilder sb = new StringBuilder(); 60 int c; 61 while ((c = r.read()) > 0) 62 if (c != '\r') 63 sb.append((char) c); 64 return sb.toString(); 65 } 66 67 private static String commandOutput(Process p) throws Throwable { 68 check(p.getInputStream() == p.getInputStream()); 69 check(p.getOutputStream() == p.getOutputStream()); 70 check(p.getErrorStream() == p.getErrorStream()); 71 Reader r = new InputStreamReader(p.getInputStream(),"UTF-8"); 72 String output = commandOutput(r); 73 equal(p.waitFor(), 0); 74 equal(p.exitValue(), 0); 75 return output; 76 } 77 78 private static String commandOutput(ProcessBuilder pb) { 79 try { 80 return commandOutput(pb.start()); 81 } catch (Throwable t) { 82 String commandline = ""; 83 for (String arg : pb.command()) 84 commandline += " " + arg; 85 System.out.println("Exception trying to run process: " + commandline); 86 unexpected(t); 87 return ""; 88 } 89 } 90 91 private static String commandOutput(String...command) { 92 try { 93 return commandOutput(Runtime.getRuntime().exec(command)); 94 } catch (Throwable t) { 95 String commandline = ""; 96 for (String arg : command) 97 commandline += " " + arg; 98 System.out.println("Exception trying to run process: " + commandline); 99 unexpected(t); 100 return ""; 101 } 102 } 103 104 private static void checkCommandOutput(ProcessBuilder pb, 105 String expected, 106 String failureMsg) { 107 String got = commandOutput(pb); 108 check(got.equals(expected), 109 failureMsg + "\n" + 110 "Expected: \"" + expected + "\"\n" + 111 "Got: \"" + got + "\""); 112 } 113 114 private static String absolutifyPath(String path) { 115 StringBuilder sb = new StringBuilder(); 116 for (String file : path.split(File.pathSeparator)) { 117 if (sb.length() != 0) 118 sb.append(File.pathSeparator); 119 sb.append(new File(file).getAbsolutePath()); 120 } 121 return sb.toString(); 122 } 123 124 // compare windows-style, by canonicalizing to upper case, 125 // not lower case as String.compareToIgnoreCase does 126 private static class WindowsComparator 127 implements Comparator<String> { 128 public int compare(String x, String y) { 129 return x.toUpperCase(Locale.US) 130 .compareTo(y.toUpperCase(Locale.US)); 131 } 132 } 133 134 private static String sortedLines(String lines) { 135 String[] arr = lines.split("\n"); 136 List<String> ls = new ArrayList<String>(); 137 for (String s : arr) 138 ls.add(s); 139 Collections.sort(ls, new WindowsComparator()); 140 StringBuilder sb = new StringBuilder(); 141 for (String s : ls) 142 sb.append(s + "\n"); 143 return sb.toString(); 144 } 145 146 private static void compareLinesIgnoreCase(String lines1, String lines2) { 147 if (! (sortedLines(lines1).equalsIgnoreCase(sortedLines(lines2)))) { 148 String dashes = 149 "-----------------------------------------------------"; 150 out.println(dashes); 151 out.print(sortedLines(lines1)); 152 out.println(dashes); 153 out.print(sortedLines(lines2)); 154 out.println(dashes); 155 out.println("sizes: " + sortedLines(lines1).length() + 156 " " + sortedLines(lines2).length()); 157 158 fail("Sorted string contents differ"); 159 } 160 } 161 162 private static final Runtime runtime = Runtime.getRuntime(); 163 164 private static final String[] winEnvCommand = {"cmd.exe", "/c", "set"}; 165 166 private static String winEnvFilter(String env) { 167 return env.replaceAll("\r", "") 168 .replaceAll("(?m)^(?:COMSPEC|PROMPT|PATHEXT)=.*\n",""); 169 } 170 171 private static String unixEnvProg() { 172 return new File("/usr/bin/env").canExecute() ? "/usr/bin/env" 173 : "/bin/env"; 174 } 175 176 private static String nativeEnv(String[] env) { 177 try { 178 if (Windows.is()) { 179 return winEnvFilter 180 (commandOutput(runtime.exec(winEnvCommand, env))); 181 } else { 182 return commandOutput(runtime.exec(unixEnvProg(), env)); 183 } 184 } catch (Throwable t) { throw new Error(t); } 185 } 186 187 private static String nativeEnv(ProcessBuilder pb) { 188 try { 189 if (Windows.is()) { 190 pb.command(winEnvCommand); 191 return winEnvFilter(commandOutput(pb)); 192 } else { 193 pb.command(new String[]{unixEnvProg()}); 194 return commandOutput(pb); 195 } 196 } catch (Throwable t) { throw new Error(t); } 197 } 198 199 private static void checkSizes(Map<String,String> environ, int size) { 200 try { 201 equal(size, environ.size()); 202 equal(size, environ.entrySet().size()); 203 equal(size, environ.keySet().size()); 204 equal(size, environ.values().size()); 205 206 boolean isEmpty = (size == 0); 207 equal(isEmpty, environ.isEmpty()); 208 equal(isEmpty, environ.entrySet().isEmpty()); 209 equal(isEmpty, environ.keySet().isEmpty()); 210 equal(isEmpty, environ.values().isEmpty()); 211 } catch (Throwable t) { unexpected(t); } 212 } 213 214 private interface EnvironmentFrobber { 215 void doIt(Map<String,String> environ); 216 } 217 218 private static void testVariableDeleter(EnvironmentFrobber fooDeleter) { 219 try { 220 Map<String,String> environ = new ProcessBuilder().environment(); 221 environ.put("Foo", "BAAR"); 222 fooDeleter.doIt(environ); 223 equal(environ.get("Foo"), null); 224 equal(environ.remove("Foo"), null); 225 } catch (Throwable t) { unexpected(t); } 226 } 227 228 private static void testVariableAdder(EnvironmentFrobber fooAdder) { 229 try { 230 Map<String,String> environ = new ProcessBuilder().environment(); 231 environ.remove("Foo"); 232 fooAdder.doIt(environ); 233 equal(environ.get("Foo"), "Bahrein"); 234 } catch (Throwable t) { unexpected(t); } 235 } 236 237 private static void testVariableModifier(EnvironmentFrobber fooModifier) { 238 try { 239 Map<String,String> environ = new ProcessBuilder().environment(); 240 environ.put("Foo","OldValue"); 241 fooModifier.doIt(environ); 242 equal(environ.get("Foo"), "NewValue"); 243 } catch (Throwable t) { unexpected(t); } 244 } 245 246 private static void printUTF8(String s) throws IOException { 247 out.write(s.getBytes("UTF-8")); 248 } 249 250 private static String getenvAsString(Map<String,String> environment) { 251 StringBuilder sb = new StringBuilder(); 252 environment = new TreeMap<>(environment); 253 for (Map.Entry<String,String> e : environment.entrySet()) 254 // Ignore magic environment variables added by the launcher 255 if (! e.getKey().equals("NLSPATH") && 256 ! e.getKey().equals("XFILESEARCHPATH") && 257 ! e.getKey().equals("LD_LIBRARY_PATH")) 258 sb.append(e.getKey()) 259 .append('=') 260 .append(e.getValue()) 261 .append(','); 262 return sb.toString(); 263 } 264 265 static void print4095(OutputStream s, byte b) throws Throwable { 266 byte[] bytes = new byte[4095]; 267 Arrays.fill(bytes, b); 268 s.write(bytes); // Might hang! 269 } 270 271 static void checkPermissionDenied(ProcessBuilder pb) { 272 try { 273 pb.start(); 274 fail("Expected IOException not thrown"); 275 } catch (IOException e) { 276 String m = e.getMessage(); 277 if (EnglishUnix.is() && 278 ! matches(m, "Permission denied")) 279 unexpected(e); 280 } catch (Throwable t) { unexpected(t); } 281 } 282 283 public static class JavaChild { 284 public static void main(String args[]) throws Throwable { 285 String action = args[0]; 286 if (action.equals("sleep")) { 287 Thread.sleep(10 * 60 * 1000L); 288 } else if (action.equals("testIO")) { 289 String expected = "standard input"; 290 char[] buf = new char[expected.length()+1]; 291 int n = new InputStreamReader(System.in).read(buf,0,buf.length); 292 if (n != expected.length()) 293 System.exit(5); 294 if (! new String(buf,0,n).equals(expected)) 295 System.exit(5); 296 System.err.print("standard error"); 297 System.out.print("standard output"); 298 } else if (action.equals("testInheritIO")) { 299 List<String> childArgs = new ArrayList<String>(javaChildArgs); 300 childArgs.add("testIO"); 301 ProcessBuilder pb = new ProcessBuilder(childArgs); 302 pb.inheritIO(); 303 ProcessResults r = run(pb); 304 if (! r.out().equals("")) 305 System.exit(7); 306 if (! r.err().equals("")) 307 System.exit(8); 308 if (r.exitValue() != 0) 309 System.exit(9); 310 } else if (action.equals("System.getenv(String)")) { 311 String val = System.getenv(args[1]); 312 printUTF8(val == null ? "null" : val); 313 } else if (action.equals("System.getenv(\\u1234)")) { 314 String val = System.getenv("\u1234"); 315 printUTF8(val == null ? "null" : val); 316 } else if (action.equals("System.getenv()")) { 317 printUTF8(getenvAsString(System.getenv())); 318 } else if (action.equals("ArrayOOME")) { 319 Object dummy; 320 switch(new Random().nextInt(3)) { 321 case 0: dummy = new Integer[Integer.MAX_VALUE]; break; 322 case 1: dummy = new double[Integer.MAX_VALUE]; break; 323 case 2: dummy = new byte[Integer.MAX_VALUE][]; break; 324 default: throw new InternalError(); 325 } 326 } else if (action.equals("pwd")) { 327 printUTF8(new File(System.getProperty("user.dir")) 328 .getCanonicalPath()); 329 } else if (action.equals("print4095")) { 330 print4095(System.out, (byte) '!'); 331 print4095(System.err, (byte) 'E'); 332 System.exit(5); 333 } else if (action.equals("OutErr")) { 334 // You might think the system streams would be 335 // buffered, and in fact they are implemented using 336 // BufferedOutputStream, but each and every print 337 // causes immediate operating system I/O. 338 System.out.print("out"); 339 System.err.print("err"); 340 System.out.print("out"); 341 System.err.print("err"); 342 } else if (action.equals("null PATH")) { 343 equal(System.getenv("PATH"), null); 344 check(new File("/bin/true").exists()); 345 check(new File("/bin/false").exists()); 346 ProcessBuilder pb1 = new ProcessBuilder(); 347 ProcessBuilder pb2 = new ProcessBuilder(); 348 pb2.environment().put("PATH", "anyOldPathIgnoredAnyways"); 349 ProcessResults r; 350 351 for (final ProcessBuilder pb : 352 new ProcessBuilder[] {pb1, pb2}) { 353 pb.command("true"); 354 equal(run(pb).exitValue(), True.exitValue()); 355 356 pb.command("false"); 357 equal(run(pb).exitValue(), False.exitValue()); 358 } 359 360 if (failed != 0) throw new Error("null PATH"); 361 } else if (action.equals("PATH search algorithm")) { 362 equal(System.getenv("PATH"), "dir1:dir2:"); 363 check(new File("/bin/true").exists()); 364 check(new File("/bin/false").exists()); 365 String[] cmd = {"prog"}; 366 ProcessBuilder pb1 = new ProcessBuilder(cmd); 367 ProcessBuilder pb2 = new ProcessBuilder(cmd); 368 ProcessBuilder pb3 = new ProcessBuilder(cmd); 369 pb2.environment().put("PATH", "anyOldPathIgnoredAnyways"); 370 pb3.environment().remove("PATH"); 371 372 for (final ProcessBuilder pb : 373 new ProcessBuilder[] {pb1, pb2, pb3}) { 374 try { 375 // Not on PATH at all; directories don't exist 376 try { 377 pb.start(); 378 fail("Expected IOException not thrown"); 379 } catch (IOException e) { 380 String m = e.getMessage(); 381 if (EnglishUnix.is() && 382 ! matches(m, "No such file")) 383 unexpected(e); 384 } catch (Throwable t) { unexpected(t); } 385 386 // Not on PATH at all; directories exist 387 new File("dir1").mkdirs(); 388 new File("dir2").mkdirs(); 389 try { 390 pb.start(); 391 fail("Expected IOException not thrown"); 392 } catch (IOException e) { 393 String m = e.getMessage(); 394 if (EnglishUnix.is() && 395 ! matches(m, "No such file")) 396 unexpected(e); 397 } catch (Throwable t) { unexpected(t); } 398 399 // Can't execute a directory -- permission denied 400 // Report EACCES errno 401 new File("dir1/prog").mkdirs(); 402 checkPermissionDenied(pb); 403 404 // continue searching if EACCES 405 copy("/bin/true", "dir2/prog"); 406 equal(run(pb).exitValue(), True.exitValue()); 407 new File("dir1/prog").delete(); 408 new File("dir2/prog").delete(); 409 410 new File("dir2/prog").mkdirs(); 411 copy("/bin/true", "dir1/prog"); 412 equal(run(pb).exitValue(), True.exitValue()); 413 414 // Check empty PATH component means current directory. 415 // 416 // While we're here, let's test different kinds of 417 // Unix executables, and PATH vs explicit searching. 418 new File("dir1/prog").delete(); 419 new File("dir2/prog").delete(); 420 for (String[] command : 421 new String[][] { 422 new String[] {"./prog"}, 423 cmd}) { 424 pb.command(command); 425 File prog = new File("./prog"); 426 // "Normal" binaries 427 copy("/bin/true", "./prog"); 428 equal(run(pb).exitValue(), 429 True.exitValue()); 430 copy("/bin/false", "./prog"); 431 equal(run(pb).exitValue(), 432 False.exitValue()); 433 prog.delete(); 434 // Interpreter scripts with #! 435 setFileContents(prog, "#!/bin/true\n"); 436 prog.setExecutable(true); 437 equal(run(pb).exitValue(), 438 True.exitValue()); 439 prog.delete(); 440 setFileContents(prog, "#!/bin/false\n"); 441 prog.setExecutable(true); 442 equal(run(pb).exitValue(), 443 False.exitValue()); 444 // Traditional shell scripts without #! 445 setFileContents(prog, "exec /bin/true\n"); 446 prog.setExecutable(true); 447 equal(run(pb).exitValue(), 448 True.exitValue()); 449 prog.delete(); 450 setFileContents(prog, "exec /bin/false\n"); 451 prog.setExecutable(true); 452 equal(run(pb).exitValue(), 453 False.exitValue()); 454 prog.delete(); 455 } 456 457 // Test Unix interpreter scripts 458 File dir1Prog = new File("dir1/prog"); 459 dir1Prog.delete(); 460 pb.command(new String[] {"prog", "world"}); 461 setFileContents(dir1Prog, "#!/bin/echo hello\n"); 462 checkPermissionDenied(pb); 463 dir1Prog.setExecutable(true); 464 equal(run(pb).out(), "hello dir1/prog world\n"); 465 equal(run(pb).exitValue(), True.exitValue()); 466 dir1Prog.delete(); 467 pb.command(cmd); 468 469 // Test traditional shell scripts without #! 470 setFileContents(dir1Prog, "/bin/echo \"$@\"\n"); 471 pb.command(new String[] {"prog", "hello", "world"}); 472 checkPermissionDenied(pb); 473 dir1Prog.setExecutable(true); 474 equal(run(pb).out(), "hello world\n"); 475 equal(run(pb).exitValue(), True.exitValue()); 476 dir1Prog.delete(); 477 pb.command(cmd); 478 479 // If prog found on both parent and child's PATH, 480 // parent's is used. 481 new File("dir1/prog").delete(); 482 new File("dir2/prog").delete(); 483 new File("prog").delete(); 484 new File("dir3").mkdirs(); 485 copy("/bin/true", "dir1/prog"); 486 copy("/bin/false", "dir3/prog"); 487 pb.environment().put("PATH","dir3"); 488 equal(run(pb).exitValue(), True.exitValue()); 489 copy("/bin/true", "dir3/prog"); 490 copy("/bin/false", "dir1/prog"); 491 equal(run(pb).exitValue(), False.exitValue()); 492 493 } finally { 494 // cleanup 495 new File("dir1/prog").delete(); 496 new File("dir2/prog").delete(); 497 new File("dir3/prog").delete(); 498 new File("dir1").delete(); 499 new File("dir2").delete(); 500 new File("dir3").delete(); 501 new File("prog").delete(); 502 } 503 } 504 505 if (failed != 0) throw new Error("PATH search algorithm"); 506 } 507 else throw new Error("JavaChild invocation error"); 508 } 509 } 510 511 private static void copy(String src, String dst) { 512 system("/bin/cp", "-fp", src, dst); 513 } 514 515 private static void system(String... command) { 516 try { 517 ProcessBuilder pb = new ProcessBuilder(command); 518 ProcessResults r = run(pb.start()); 519 equal(r.exitValue(), 0); 520 equal(r.out(), ""); 521 equal(r.err(), ""); 522 } catch (Throwable t) { unexpected(t); } 523 } 524 525 private static String javaChildOutput(ProcessBuilder pb, String...args) { 526 List<String> list = new ArrayList<String>(javaChildArgs); 527 for (String arg : args) 528 list.add(arg); 529 pb.command(list); 530 return commandOutput(pb); 531 } 532 533 private static String getenvInChild(ProcessBuilder pb) { 534 return javaChildOutput(pb, "System.getenv()"); 535 } 536 537 private static String getenvInChild1234(ProcessBuilder pb) { 538 return javaChildOutput(pb, "System.getenv(\\u1234)"); 539 } 540 541 private static String getenvInChild(ProcessBuilder pb, String name) { 542 return javaChildOutput(pb, "System.getenv(String)", name); 543 } 544 545 private static String pwdInChild(ProcessBuilder pb) { 546 return javaChildOutput(pb, "pwd"); 547 } 548 549 private static final String javaExe = 550 System.getProperty("java.home") + 551 File.separator + "bin" + File.separator + "java"; 552 553 private static final String classpath = 554 System.getProperty("java.class.path"); 555 556 private static final List<String> javaChildArgs = 557 Arrays.asList(new String[] 558 { javaExe, "-classpath", absolutifyPath(classpath), 559 "Basic$JavaChild"}); 560 561 private static void testEncoding(String encoding, String tested) { 562 try { 563 // If round trip conversion works, should be able to set env vars 564 // correctly in child. 565 if (new String(tested.getBytes()).equals(tested)) { 566 out.println("Testing " + encoding + " environment values"); 567 ProcessBuilder pb = new ProcessBuilder(); 568 pb.environment().put("ASCIINAME",tested); 569 equal(getenvInChild(pb,"ASCIINAME"), tested); 570 } 571 } catch (Throwable t) { unexpected(t); } 572 } 573 574 static class Windows { 575 public static boolean is() { return is; } 576 private static final boolean is = 577 System.getProperty("os.name").startsWith("Windows"); 578 } 579 580 static class Unix { 581 public static boolean is() { return is; } 582 private static final boolean is = 583 (! Windows.is() && 584 new File("/bin/sh").exists() && 585 new File("/bin/true").exists() && 586 new File("/bin/false").exists()); 587 } 588 589 static class UnicodeOS { 590 public static boolean is() { return is; } 591 private static final String osName = System.getProperty("os.name"); 592 private static final boolean is = 593 // MacOS X would probably also qualify 594 osName.startsWith("Windows") && 595 ! osName.startsWith("Windows 9") && 596 ! osName.equals("Windows Me"); 597 } 598 599 static class MacOSX { 600 public static boolean is() { return is; } 601 private static final String osName = System.getProperty("os.name"); 602 private static final boolean is = osName.contains("OS X"); 603 } 604 605 static class True { 606 public static int exitValue() { return 0; } 607 } 608 609 private static class False { 610 public static int exitValue() { return exitValue; } 611 private static final int exitValue = exitValue0(); 612 private static int exitValue0() { 613 // /bin/false returns an *unspecified* non-zero number. 614 try { 615 if (! Unix.is()) 616 return -1; 617 else { 618 int rc = new ProcessBuilder("/bin/false") 619 .start().waitFor(); 620 check(rc != 0); 621 return rc; 622 } 623 } catch (Throwable t) { unexpected(t); return -1; } 624 } 625 } 626 627 static class EnglishUnix { 628 private final static Boolean is = 629 (! Windows.is() && isEnglish("LANG") && isEnglish("LC_ALL")); 630 631 private static boolean isEnglish(String envvar) { 632 String val = getenv(envvar); 633 return (val == null) || val.matches("en.*"); 634 } 635 636 /** Returns true if we can expect English OS error strings */ 637 static boolean is() { return is; } 638 } 639 640 private static boolean matches(String str, String regex) { 641 return Pattern.compile(regex).matcher(str).find(); 642 } 643 644 private static String matchAndExtract(String str, String regex) { 645 Matcher matcher = Pattern.compile(regex).matcher(str); 646 if (matcher.find()) { 647 return matcher.group(); 648 } else { 649 return ""; 650 } 651 } 652 653 /* Only used for Mac OS X -- 654 * Mac OS X (may) add the variable __CF_USER_TEXT_ENCODING to an empty 655 * environment. The environment variable JAVA_MAIN_CLASS_<pid> may also 656 * be set in Mac OS X. 657 * Remove them both from the list of env variables 658 */ 659 private static String removeMacExpectedVars(String vars) { 660 // Check for __CF_USER_TEXT_ENCODING 661 String cleanedVars = vars.replace("__CF_USER_TEXT_ENCODING=" 662 +cfUserTextEncoding+",",""); 663 // Check for JAVA_MAIN_CLASS_<pid> 664 String javaMainClassStr 665 = matchAndExtract(cleanedVars, 666 "JAVA_MAIN_CLASS_\\d+=Basic.JavaChild,"); 667 return cleanedVars.replace(javaMainClassStr,""); 668 } 669 670 private static String sortByLinesWindowsly(String text) { 671 String[] lines = text.split("\n"); 672 Arrays.sort(lines, new WindowsComparator()); 673 StringBuilder sb = new StringBuilder(); 674 for (String line : lines) 675 sb.append(line).append("\n"); 676 return sb.toString(); 677 } 678 679 private static void checkMapSanity(Map<String,String> map) { 680 try { 681 Set<String> keySet = map.keySet(); 682 Collection<String> values = map.values(); 683 Set<Map.Entry<String,String>> entrySet = map.entrySet(); 684 685 equal(entrySet.size(), keySet.size()); 686 equal(entrySet.size(), values.size()); 687 688 StringBuilder s1 = new StringBuilder(); 689 for (Map.Entry<String,String> e : entrySet) 690 s1.append(e.getKey() + "=" + e.getValue() + "\n"); 691 692 StringBuilder s2 = new StringBuilder(); 693 for (String var : keySet) 694 s2.append(var + "=" + map.get(var) + "\n"); 695 696 equal(s1.toString(), s2.toString()); 697 698 Iterator<String> kIter = keySet.iterator(); 699 Iterator<String> vIter = values.iterator(); 700 Iterator<Map.Entry<String,String>> eIter = entrySet.iterator(); 701 702 while (eIter.hasNext()) { 703 Map.Entry<String,String> entry = eIter.next(); 704 String key = kIter.next(); 705 String value = vIter.next(); 706 check(entrySet.contains(entry)); 707 check(keySet.contains(key)); 708 check(values.contains(value)); 709 check(map.containsKey(key)); 710 check(map.containsValue(value)); 711 equal(entry.getKey(), key); 712 equal(entry.getValue(), value); 713 } 714 check(! kIter.hasNext() && 715 ! vIter.hasNext()); 716 717 } catch (Throwable t) { unexpected(t); } 718 } 719 720 private static void checkMapEquality(Map<String,String> map1, 721 Map<String,String> map2) { 722 try { 723 equal(map1.size(), map2.size()); 724 equal(map1.isEmpty(), map2.isEmpty()); 725 for (String key : map1.keySet()) { 726 equal(map1.get(key), map2.get(key)); 727 check(map2.keySet().contains(key)); 728 } 729 equal(map1, map2); 730 equal(map2, map1); 731 equal(map1.entrySet(), map2.entrySet()); 732 equal(map2.entrySet(), map1.entrySet()); 733 equal(map1.keySet(), map2.keySet()); 734 equal(map2.keySet(), map1.keySet()); 735 736 equal(map1.hashCode(), map2.hashCode()); 737 equal(map1.entrySet().hashCode(), map2.entrySet().hashCode()); 738 equal(map1.keySet().hashCode(), map2.keySet().hashCode()); 739 } catch (Throwable t) { unexpected(t); } 740 } 741 742 static void checkRedirects(ProcessBuilder pb, 743 Redirect in, Redirect out, Redirect err) { 744 equal(pb.redirectInput(), in); 745 equal(pb.redirectOutput(), out); 746 equal(pb.redirectError(), err); 747 } 748 749 static void redirectIO(ProcessBuilder pb, 750 Redirect in, Redirect out, Redirect err) { 751 pb.redirectInput(in); 752 pb.redirectOutput(out); 753 pb.redirectError(err); 754 } 755 756 static void setFileContents(File file, String contents) { 757 try { 758 Writer w = new FileWriter(file); 759 w.write(contents); 760 w.close(); 761 } catch (Throwable t) { unexpected(t); } 762 } 763 764 static String fileContents(File file) { 765 try { 766 Reader r = new FileReader(file); 767 StringBuilder sb = new StringBuilder(); 768 char[] buffer = new char[1024]; 769 int n; 770 while ((n = r.read(buffer)) != -1) 771 sb.append(buffer,0,n); 772 r.close(); 773 return new String(sb); 774 } catch (Throwable t) { unexpected(t); return ""; } 775 } 776 777 static void testIORedirection() throws Throwable { 778 final File ifile = new File("ifile"); 779 final File ofile = new File("ofile"); 780 final File efile = new File("efile"); 781 ifile.delete(); 782 ofile.delete(); 783 efile.delete(); 784 785 //---------------------------------------------------------------- 786 // Check mutual inequality of different types of Redirect 787 //---------------------------------------------------------------- 788 Redirect[] redirects = 789 { PIPE, 790 INHERIT, 791 Redirect.from(ifile), 792 Redirect.to(ifile), 793 Redirect.appendTo(ifile), 794 Redirect.from(ofile), 795 Redirect.to(ofile), 796 Redirect.appendTo(ofile), 797 }; 798 for (int i = 0; i < redirects.length; i++) 799 for (int j = 0; j < redirects.length; j++) 800 equal(redirects[i].equals(redirects[j]), (i == j)); 801 802 //---------------------------------------------------------------- 803 // Check basic properties of different types of Redirect 804 //---------------------------------------------------------------- 805 equal(PIPE.type(), Redirect.Type.PIPE); 806 equal(PIPE.toString(), "PIPE"); 807 equal(PIPE.file(), null); 808 809 equal(INHERIT.type(), Redirect.Type.INHERIT); 810 equal(INHERIT.toString(), "INHERIT"); 811 equal(INHERIT.file(), null); 812 813 equal(Redirect.from(ifile).type(), Redirect.Type.READ); 814 equal(Redirect.from(ifile).toString(), 815 "redirect to read from file \"ifile\""); 816 equal(Redirect.from(ifile).file(), ifile); 817 equal(Redirect.from(ifile), 818 Redirect.from(ifile)); 819 equal(Redirect.from(ifile).hashCode(), 820 Redirect.from(ifile).hashCode()); 821 822 equal(Redirect.to(ofile).type(), Redirect.Type.WRITE); 823 equal(Redirect.to(ofile).toString(), 824 "redirect to write to file \"ofile\""); 825 equal(Redirect.to(ofile).file(), ofile); 826 equal(Redirect.to(ofile), 827 Redirect.to(ofile)); 828 equal(Redirect.to(ofile).hashCode(), 829 Redirect.to(ofile).hashCode()); 830 831 equal(Redirect.appendTo(ofile).type(), Redirect.Type.APPEND); 832 equal(Redirect.appendTo(efile).toString(), 833 "redirect to append to file \"efile\""); 834 equal(Redirect.appendTo(efile).file(), efile); 835 equal(Redirect.appendTo(efile), 836 Redirect.appendTo(efile)); 837 equal(Redirect.appendTo(efile).hashCode(), 838 Redirect.appendTo(efile).hashCode()); 839 840 //---------------------------------------------------------------- 841 // Check initial values of redirects 842 //---------------------------------------------------------------- 843 List<String> childArgs = new ArrayList<String>(javaChildArgs); 844 childArgs.add("testIO"); 845 final ProcessBuilder pb = new ProcessBuilder(childArgs); 846 checkRedirects(pb, PIPE, PIPE, PIPE); 847 848 //---------------------------------------------------------------- 849 // Check inheritIO 850 //---------------------------------------------------------------- 851 pb.inheritIO(); 852 checkRedirects(pb, INHERIT, INHERIT, INHERIT); 853 854 //---------------------------------------------------------------- 855 // Check setters and getters agree 856 //---------------------------------------------------------------- 857 pb.redirectInput(ifile); 858 equal(pb.redirectInput().file(), ifile); 859 equal(pb.redirectInput(), Redirect.from(ifile)); 860 861 pb.redirectOutput(ofile); 862 equal(pb.redirectOutput().file(), ofile); 863 equal(pb.redirectOutput(), Redirect.to(ofile)); 864 865 pb.redirectError(efile); 866 equal(pb.redirectError().file(), efile); 867 equal(pb.redirectError(), Redirect.to(efile)); 868 869 THROWS(IllegalArgumentException.class, 870 new Fun(){void f() { 871 pb.redirectInput(Redirect.to(ofile)); }}, 872 new Fun(){void f() { 873 pb.redirectInput(Redirect.appendTo(ofile)); }}, 874 new Fun(){void f() { 875 pb.redirectOutput(Redirect.from(ifile)); }}, 876 new Fun(){void f() { 877 pb.redirectError(Redirect.from(ifile)); }}); 878 879 THROWS(IOException.class, 880 // Input file does not exist 881 new Fun(){void f() throws Throwable { pb.start(); }}); 882 setFileContents(ifile, "standard input"); 883 884 //---------------------------------------------------------------- 885 // Writing to non-existent files 886 //---------------------------------------------------------------- 887 { 888 ProcessResults r = run(pb); 889 equal(r.exitValue(), 0); 890 equal(fileContents(ofile), "standard output"); 891 equal(fileContents(efile), "standard error"); 892 equal(r.out(), ""); 893 equal(r.err(), ""); 894 ofile.delete(); 895 efile.delete(); 896 } 897 898 //---------------------------------------------------------------- 899 // Both redirectErrorStream + redirectError 900 //---------------------------------------------------------------- 901 { 902 pb.redirectErrorStream(true); 903 ProcessResults r = run(pb); 904 equal(r.exitValue(), 0); 905 equal(fileContents(ofile), 906 "standard error" + "standard output"); 907 equal(fileContents(efile), ""); 908 equal(r.out(), ""); 909 equal(r.err(), ""); 910 ofile.delete(); 911 efile.delete(); 912 } 913 914 //---------------------------------------------------------------- 915 // Appending to existing files 916 //---------------------------------------------------------------- 917 { 918 setFileContents(ofile, "ofile-contents"); 919 setFileContents(efile, "efile-contents"); 920 pb.redirectOutput(Redirect.appendTo(ofile)); 921 pb.redirectError(Redirect.appendTo(efile)); 922 pb.redirectErrorStream(false); 923 ProcessResults r = run(pb); 924 equal(r.exitValue(), 0); 925 equal(fileContents(ofile), 926 "ofile-contents" + "standard output"); 927 equal(fileContents(efile), 928 "efile-contents" + "standard error"); 929 equal(r.out(), ""); 930 equal(r.err(), ""); 931 ofile.delete(); 932 efile.delete(); 933 } 934 935 //---------------------------------------------------------------- 936 // Replacing existing files 937 //---------------------------------------------------------------- 938 { 939 setFileContents(ofile, "ofile-contents"); 940 setFileContents(efile, "efile-contents"); 941 pb.redirectOutput(ofile); 942 pb.redirectError(Redirect.to(efile)); 943 ProcessResults r = run(pb); 944 equal(r.exitValue(), 0); 945 equal(fileContents(ofile), "standard output"); 946 equal(fileContents(efile), "standard error"); 947 equal(r.out(), ""); 948 equal(r.err(), ""); 949 ofile.delete(); 950 efile.delete(); 951 } 952 953 //---------------------------------------------------------------- 954 // Appending twice to the same file? 955 //---------------------------------------------------------------- 956 { 957 setFileContents(ofile, "ofile-contents"); 958 setFileContents(efile, "efile-contents"); 959 Redirect appender = Redirect.appendTo(ofile); 960 pb.redirectOutput(appender); 961 pb.redirectError(appender); 962 ProcessResults r = run(pb); 963 equal(r.exitValue(), 0); 964 equal(fileContents(ofile), 965 "ofile-contents" + 966 "standard error" + 967 "standard output"); 968 equal(fileContents(efile), "efile-contents"); 969 equal(r.out(), ""); 970 equal(r.err(), ""); 971 ifile.delete(); 972 ofile.delete(); 973 efile.delete(); 974 } 975 976 //---------------------------------------------------------------- 977 // Testing INHERIT is harder. 978 // Note that this requires __FOUR__ nested JVMs involved in one test, 979 // if you count the harness JVM. 980 //---------------------------------------------------------------- 981 { 982 redirectIO(pb, PIPE, PIPE, PIPE); 983 List<String> command = pb.command(); 984 command.set(command.size() - 1, "testInheritIO"); 985 Process p = pb.start(); 986 new PrintStream(p.getOutputStream()).print("standard input"); 987 p.getOutputStream().close(); 988 ProcessResults r = run(p); 989 equal(r.exitValue(), 0); 990 equal(r.out(), "standard output"); 991 equal(r.err(), "standard error"); 992 } 993 994 //---------------------------------------------------------------- 995 // Test security implications of I/O redirection 996 //---------------------------------------------------------------- 997 998 // Read access to current directory is always granted; 999 // So create a tmpfile for input instead. 1000 final File tmpFile = File.createTempFile("Basic", "tmp"); 1001 setFileContents(tmpFile, "standard input"); 1002 1003 final Policy policy = new Policy(); 1004 Policy.setPolicy(policy); 1005 System.setSecurityManager(new SecurityManager()); 1006 try { 1007 final Permission xPermission 1008 = new FilePermission("<<ALL FILES>>", "execute"); 1009 final Permission rxPermission 1010 = new FilePermission("<<ALL FILES>>", "read,execute"); 1011 final Permission wxPermission 1012 = new FilePermission("<<ALL FILES>>", "write,execute"); 1013 final Permission rwxPermission 1014 = new FilePermission("<<ALL FILES>>", "read,write,execute"); 1015 1016 THROWS(SecurityException.class, 1017 new Fun() { void f() throws IOException { 1018 policy.setPermissions(xPermission); 1019 redirectIO(pb, from(tmpFile), PIPE, PIPE); 1020 pb.start();}}, 1021 new Fun() { void f() throws IOException { 1022 policy.setPermissions(rxPermission); 1023 redirectIO(pb, PIPE, to(ofile), PIPE); 1024 pb.start();}}, 1025 new Fun() { void f() throws IOException { 1026 policy.setPermissions(rxPermission); 1027 redirectIO(pb, PIPE, PIPE, to(efile)); 1028 pb.start();}}); 1029 1030 { 1031 policy.setPermissions(rxPermission); 1032 redirectIO(pb, from(tmpFile), PIPE, PIPE); 1033 ProcessResults r = run(pb); 1034 equal(r.out(), "standard output"); 1035 equal(r.err(), "standard error"); 1036 } 1037 1038 { 1039 policy.setPermissions(wxPermission); 1040 redirectIO(pb, PIPE, to(ofile), to(efile)); 1041 Process p = pb.start(); 1042 new PrintStream(p.getOutputStream()).print("standard input"); 1043 p.getOutputStream().close(); 1044 ProcessResults r = run(p); 1045 policy.setPermissions(rwxPermission); 1046 equal(fileContents(ofile), "standard output"); 1047 equal(fileContents(efile), "standard error"); 1048 } 1049 1050 { 1051 policy.setPermissions(rwxPermission); 1052 redirectIO(pb, from(tmpFile), to(ofile), to(efile)); 1053 ProcessResults r = run(pb); 1054 policy.setPermissions(rwxPermission); 1055 equal(fileContents(ofile), "standard output"); 1056 equal(fileContents(efile), "standard error"); 1057 } 1058 1059 } finally { 1060 policy.setPermissions(new RuntimePermission("setSecurityManager")); 1061 System.setSecurityManager(null); 1062 tmpFile.delete(); 1063 ifile.delete(); 1064 ofile.delete(); 1065 efile.delete(); 1066 } 1067 } 1068 1069 private static void realMain(String[] args) throws Throwable { 1070 if (Windows.is()) 1071 System.out.println("This appears to be a Windows system."); 1072 if (Unix.is()) 1073 System.out.println("This appears to be a Unix system."); 1074 if (UnicodeOS.is()) 1075 System.out.println("This appears to be a Unicode-based OS."); 1076 1077 try { testIORedirection(); } 1078 catch (Throwable t) { unexpected(t); } 1079 1080 //---------------------------------------------------------------- 1081 // Basic tests for setting, replacing and deleting envvars 1082 //---------------------------------------------------------------- 1083 try { 1084 ProcessBuilder pb = new ProcessBuilder(); 1085 Map<String,String> environ = pb.environment(); 1086 1087 // New env var 1088 environ.put("QUUX", "BAR"); 1089 equal(environ.get("QUUX"), "BAR"); 1090 equal(getenvInChild(pb,"QUUX"), "BAR"); 1091 1092 // Modify env var 1093 environ.put("QUUX","bear"); 1094 equal(environ.get("QUUX"), "bear"); 1095 equal(getenvInChild(pb,"QUUX"), "bear"); 1096 checkMapSanity(environ); 1097 1098 // Remove env var 1099 environ.remove("QUUX"); 1100 equal(environ.get("QUUX"), null); 1101 equal(getenvInChild(pb,"QUUX"), "null"); 1102 checkMapSanity(environ); 1103 1104 // Remove non-existent env var 1105 environ.remove("QUUX"); 1106 equal(environ.get("QUUX"), null); 1107 equal(getenvInChild(pb,"QUUX"), "null"); 1108 checkMapSanity(environ); 1109 } catch (Throwable t) { unexpected(t); } 1110 1111 //---------------------------------------------------------------- 1112 // Pass Empty environment to child 1113 //---------------------------------------------------------------- 1114 try { 1115 ProcessBuilder pb = new ProcessBuilder(); 1116 pb.environment().clear(); 1117 String expected = Windows.is() ? "SystemRoot="+systemRoot+",": ""; 1118 if (Windows.is()) { 1119 pb.environment().put("SystemRoot", systemRoot); 1120 } 1121 String result = getenvInChild(pb); 1122 if (MacOSX.is()) { 1123 result = removeMacExpectedVars(result); 1124 } 1125 equal(result, expected); 1126 } catch (Throwable t) { unexpected(t); } 1127 1128 //---------------------------------------------------------------- 1129 // System.getenv() is read-only. 1130 //---------------------------------------------------------------- 1131 THROWS(UnsupportedOperationException.class, 1132 new Fun(){void f(){ getenv().put("FOO","BAR");}}, 1133 new Fun(){void f(){ getenv().remove("PATH");}}, 1134 new Fun(){void f(){ getenv().keySet().remove("PATH");}}, 1135 new Fun(){void f(){ getenv().values().remove("someValue");}}); 1136 1137 try { 1138 Collection<Map.Entry<String,String>> c = getenv().entrySet(); 1139 if (! c.isEmpty()) 1140 try { 1141 c.iterator().next().setValue("foo"); 1142 fail("Expected UnsupportedOperationException not thrown"); 1143 } catch (UnsupportedOperationException e) {} // OK 1144 } catch (Throwable t) { unexpected(t); } 1145 1146 //---------------------------------------------------------------- 1147 // System.getenv() always returns the same object in our implementation. 1148 //---------------------------------------------------------------- 1149 try { 1150 check(System.getenv() == System.getenv()); 1151 } catch (Throwable t) { unexpected(t); } 1152 1153 //---------------------------------------------------------------- 1154 // You can't create an env var name containing "=", 1155 // or an env var name or value containing NUL. 1156 //---------------------------------------------------------------- 1157 { 1158 final Map<String,String> m = new ProcessBuilder().environment(); 1159 THROWS(IllegalArgumentException.class, 1160 new Fun(){void f(){ m.put("FOO=","BAR");}}, 1161 new Fun(){void f(){ m.put("FOO\u0000","BAR");}}, 1162 new Fun(){void f(){ m.put("FOO","BAR\u0000");}}); 1163 } 1164 1165 //---------------------------------------------------------------- 1166 // Commands must never be null. 1167 //---------------------------------------------------------------- 1168 THROWS(NullPointerException.class, 1169 new Fun(){void f(){ 1170 new ProcessBuilder((List<String>)null);}}, 1171 new Fun(){void f(){ 1172 new ProcessBuilder().command((List<String>)null);}}); 1173 1174 //---------------------------------------------------------------- 1175 // Put in a command; get the same one back out. 1176 //---------------------------------------------------------------- 1177 try { 1178 List<String> command = new ArrayList<String>(); 1179 ProcessBuilder pb = new ProcessBuilder(command); 1180 check(pb.command() == command); 1181 List<String> command2 = new ArrayList<String>(2); 1182 command2.add("foo"); 1183 command2.add("bar"); 1184 pb.command(command2); 1185 check(pb.command() == command2); 1186 pb.command("foo", "bar"); 1187 check(pb.command() != command2 && pb.command().equals(command2)); 1188 pb.command(command2); 1189 command2.add("baz"); 1190 equal(pb.command().get(2), "baz"); 1191 } catch (Throwable t) { unexpected(t); } 1192 1193 //---------------------------------------------------------------- 1194 // Commands must contain at least one element. 1195 //---------------------------------------------------------------- 1196 THROWS(IndexOutOfBoundsException.class, 1197 new Fun() { void f() throws IOException { 1198 new ProcessBuilder().start();}}, 1199 new Fun() { void f() throws IOException { 1200 new ProcessBuilder(new ArrayList<String>()).start();}}, 1201 new Fun() { void f() throws IOException { 1202 Runtime.getRuntime().exec(new String[]{});}}); 1203 1204 //---------------------------------------------------------------- 1205 // Commands must not contain null elements at start() time. 1206 //---------------------------------------------------------------- 1207 THROWS(NullPointerException.class, 1208 new Fun() { void f() throws IOException { 1209 new ProcessBuilder("foo",null,"bar").start();}}, 1210 new Fun() { void f() throws IOException { 1211 new ProcessBuilder((String)null).start();}}, 1212 new Fun() { void f() throws IOException { 1213 new ProcessBuilder(new String[]{null}).start();}}, 1214 new Fun() { void f() throws IOException { 1215 new ProcessBuilder(new String[]{"foo",null,"bar"}).start();}}); 1216 1217 //---------------------------------------------------------------- 1218 // Command lists are growable. 1219 //---------------------------------------------------------------- 1220 try { 1221 new ProcessBuilder().command().add("foo"); 1222 new ProcessBuilder("bar").command().add("foo"); 1223 new ProcessBuilder(new String[]{"1","2"}).command().add("3"); 1224 } catch (Throwable t) { unexpected(t); } 1225 1226 //---------------------------------------------------------------- 1227 // Nulls in environment updates generate NullPointerException 1228 //---------------------------------------------------------------- 1229 try { 1230 final Map<String,String> env = new ProcessBuilder().environment(); 1231 THROWS(NullPointerException.class, 1232 new Fun(){void f(){ env.put("foo",null);}}, 1233 new Fun(){void f(){ env.put(null,"foo");}}, 1234 new Fun(){void f(){ env.remove(null);}}, 1235 new Fun(){void f(){ 1236 for (Map.Entry<String,String> e : env.entrySet()) 1237 e.setValue(null);}}, 1238 new Fun() { void f() throws IOException { 1239 Runtime.getRuntime().exec(new String[]{"foo"}, 1240 new String[]{null});}}); 1241 } catch (Throwable t) { unexpected(t); } 1242 1243 //---------------------------------------------------------------- 1244 // Non-String types in environment updates generate ClassCastException 1245 //---------------------------------------------------------------- 1246 try { 1247 final Map<String,String> env = new ProcessBuilder().environment(); 1248 THROWS(ClassCastException.class, 1249 new Fun(){void f(){ env.remove(TRUE);}}, 1250 new Fun(){void f(){ env.keySet().remove(TRUE);}}, 1251 new Fun(){void f(){ env.values().remove(TRUE);}}, 1252 new Fun(){void f(){ env.entrySet().remove(TRUE);}}); 1253 } catch (Throwable t) { unexpected(t); } 1254 1255 //---------------------------------------------------------------- 1256 // Check query operations on environment maps 1257 //---------------------------------------------------------------- 1258 try { 1259 List<Map<String,String>> envs = 1260 new ArrayList<Map<String,String>>(2); 1261 envs.add(System.getenv()); 1262 envs.add(new ProcessBuilder().environment()); 1263 for (final Map<String,String> env : envs) { 1264 //---------------------------------------------------------------- 1265 // Nulls in environment queries are forbidden. 1266 //---------------------------------------------------------------- 1267 THROWS(NullPointerException.class, 1268 new Fun(){void f(){ getenv(null);}}, 1269 new Fun(){void f(){ env.get(null);}}, 1270 new Fun(){void f(){ env.containsKey(null);}}, 1271 new Fun(){void f(){ env.containsValue(null);}}, 1272 new Fun(){void f(){ env.keySet().contains(null);}}, 1273 new Fun(){void f(){ env.values().contains(null);}}); 1274 1275 //---------------------------------------------------------------- 1276 // Non-String types in environment queries are forbidden. 1277 //---------------------------------------------------------------- 1278 THROWS(ClassCastException.class, 1279 new Fun(){void f(){ env.get(TRUE);}}, 1280 new Fun(){void f(){ env.containsKey(TRUE);}}, 1281 new Fun(){void f(){ env.containsValue(TRUE);}}, 1282 new Fun(){void f(){ env.keySet().contains(TRUE);}}, 1283 new Fun(){void f(){ env.values().contains(TRUE);}}); 1284 1285 //---------------------------------------------------------------- 1286 // Illegal String values in environment queries are (grumble) OK 1287 //---------------------------------------------------------------- 1288 equal(env.get("\u0000"), null); 1289 check(! env.containsKey("\u0000")); 1290 check(! env.containsValue("\u0000")); 1291 check(! env.keySet().contains("\u0000")); 1292 check(! env.values().contains("\u0000")); 1293 } 1294 1295 } catch (Throwable t) { unexpected(t); } 1296 1297 try { 1298 final Set<Map.Entry<String,String>> entrySet = 1299 new ProcessBuilder().environment().entrySet(); 1300 THROWS(NullPointerException.class, 1301 new Fun(){void f(){ entrySet.contains(null);}}); 1302 THROWS(ClassCastException.class, 1303 new Fun(){void f(){ entrySet.contains(TRUE);}}, 1304 new Fun(){void f(){ 1305 entrySet.contains( 1306 new SimpleImmutableEntry<Boolean,String>(TRUE,""));}}); 1307 1308 check(! entrySet.contains 1309 (new SimpleImmutableEntry<String,String>("", ""))); 1310 } catch (Throwable t) { unexpected(t); } 1311 1312 //---------------------------------------------------------------- 1313 // Put in a directory; get the same one back out. 1314 //---------------------------------------------------------------- 1315 try { 1316 ProcessBuilder pb = new ProcessBuilder(); 1317 File foo = new File("foo"); 1318 equal(pb.directory(), null); 1319 equal(pb.directory(foo).directory(), foo); 1320 equal(pb.directory(null).directory(), null); 1321 } catch (Throwable t) { unexpected(t); } 1322 1323 //---------------------------------------------------------------- 1324 // If round-trip conversion works, check envvar pass-through to child 1325 //---------------------------------------------------------------- 1326 try { 1327 testEncoding("ASCII", "xyzzy"); 1328 testEncoding("Latin1", "\u00f1\u00e1"); 1329 testEncoding("Unicode", "\u22f1\u11e1"); 1330 } catch (Throwable t) { unexpected(t); } 1331 1332 //---------------------------------------------------------------- 1333 // A surprisingly large number of ways to delete an environment var. 1334 //---------------------------------------------------------------- 1335 testVariableDeleter(new EnvironmentFrobber() { 1336 public void doIt(Map<String,String> environ) { 1337 environ.remove("Foo");}}); 1338 1339 testVariableDeleter(new EnvironmentFrobber() { 1340 public void doIt(Map<String,String> environ) { 1341 environ.keySet().remove("Foo");}}); 1342 1343 testVariableDeleter(new EnvironmentFrobber() { 1344 public void doIt(Map<String,String> environ) { 1345 environ.values().remove("BAAR");}}); 1346 1347 testVariableDeleter(new EnvironmentFrobber() { 1348 public void doIt(Map<String,String> environ) { 1349 // Legally fabricate a ProcessEnvironment.StringEntry, 1350 // even though it's private. 1351 Map<String,String> environ2 1352 = new ProcessBuilder().environment(); 1353 environ2.clear(); 1354 environ2.put("Foo","BAAR"); 1355 // Subtlety alert. 1356 Map.Entry<String,String> e 1357 = environ2.entrySet().iterator().next(); 1358 environ.entrySet().remove(e);}}); 1359 1360 testVariableDeleter(new EnvironmentFrobber() { 1361 public void doIt(Map<String,String> environ) { 1362 Map.Entry<String,String> victim = null; 1363 for (Map.Entry<String,String> e : environ.entrySet()) 1364 if (e.getKey().equals("Foo")) 1365 victim = e; 1366 if (victim != null) 1367 environ.entrySet().remove(victim);}}); 1368 1369 testVariableDeleter(new EnvironmentFrobber() { 1370 public void doIt(Map<String,String> environ) { 1371 Iterator<String> it = environ.keySet().iterator(); 1372 while (it.hasNext()) { 1373 String val = it.next(); 1374 if (val.equals("Foo")) 1375 it.remove();}}}); 1376 1377 testVariableDeleter(new EnvironmentFrobber() { 1378 public void doIt(Map<String,String> environ) { 1379 Iterator<Map.Entry<String,String>> it 1380 = environ.entrySet().iterator(); 1381 while (it.hasNext()) { 1382 Map.Entry<String,String> e = it.next(); 1383 if (e.getKey().equals("Foo")) 1384 it.remove();}}}); 1385 1386 testVariableDeleter(new EnvironmentFrobber() { 1387 public void doIt(Map<String,String> environ) { 1388 Iterator<String> it = environ.values().iterator(); 1389 while (it.hasNext()) { 1390 String val = it.next(); 1391 if (val.equals("BAAR")) 1392 it.remove();}}}); 1393 1394 //---------------------------------------------------------------- 1395 // A surprisingly small number of ways to add an environment var. 1396 //---------------------------------------------------------------- 1397 testVariableAdder(new EnvironmentFrobber() { 1398 public void doIt(Map<String,String> environ) { 1399 environ.put("Foo","Bahrein");}}); 1400 1401 //---------------------------------------------------------------- 1402 // A few ways to modify an environment var. 1403 //---------------------------------------------------------------- 1404 testVariableModifier(new EnvironmentFrobber() { 1405 public void doIt(Map<String,String> environ) { 1406 environ.put("Foo","NewValue");}}); 1407 1408 testVariableModifier(new EnvironmentFrobber() { 1409 public void doIt(Map<String,String> environ) { 1410 for (Map.Entry<String,String> e : environ.entrySet()) 1411 if (e.getKey().equals("Foo")) 1412 e.setValue("NewValue");}}); 1413 1414 //---------------------------------------------------------------- 1415 // Fiddle with environment sizes 1416 //---------------------------------------------------------------- 1417 try { 1418 Map<String,String> environ = new ProcessBuilder().environment(); 1419 int size = environ.size(); 1420 checkSizes(environ, size); 1421 1422 environ.put("UnLiKeLYeNVIROmtNam", "someVal"); 1423 checkSizes(environ, size+1); 1424 1425 // Check for environment independence 1426 new ProcessBuilder().environment().clear(); 1427 1428 environ.put("UnLiKeLYeNVIROmtNam", "someOtherVal"); 1429 checkSizes(environ, size+1); 1430 1431 environ.remove("UnLiKeLYeNVIROmtNam"); 1432 checkSizes(environ, size); 1433 1434 environ.clear(); 1435 checkSizes(environ, 0); 1436 1437 environ.clear(); 1438 checkSizes(environ, 0); 1439 1440 environ = new ProcessBuilder().environment(); 1441 environ.keySet().clear(); 1442 checkSizes(environ, 0); 1443 1444 environ = new ProcessBuilder().environment(); 1445 environ.entrySet().clear(); 1446 checkSizes(environ, 0); 1447 1448 environ = new ProcessBuilder().environment(); 1449 environ.values().clear(); 1450 checkSizes(environ, 0); 1451 } catch (Throwable t) { unexpected(t); } 1452 1453 //---------------------------------------------------------------- 1454 // Check that various map invariants hold 1455 //---------------------------------------------------------------- 1456 checkMapSanity(new ProcessBuilder().environment()); 1457 checkMapSanity(System.getenv()); 1458 checkMapEquality(new ProcessBuilder().environment(), 1459 new ProcessBuilder().environment()); 1460 1461 1462 //---------------------------------------------------------------- 1463 // Check effects on external "env" command. 1464 //---------------------------------------------------------------- 1465 try { 1466 Set<String> env1 = new HashSet<String> 1467 (Arrays.asList(nativeEnv((String[])null).split("\n"))); 1468 1469 ProcessBuilder pb = new ProcessBuilder(); 1470 pb.environment().put("QwErTyUiOp","AsDfGhJk"); 1471 1472 Set<String> env2 = new HashSet<String> 1473 (Arrays.asList(nativeEnv(pb).split("\n"))); 1474 1475 check(env2.size() == env1.size() + 1); 1476 env1.add("QwErTyUiOp=AsDfGhJk"); 1477 check(env1.equals(env2)); 1478 } catch (Throwable t) { unexpected(t); } 1479 1480 //---------------------------------------------------------------- 1481 // Test Runtime.exec(...envp...) 1482 // Check for sort order of environment variables on Windows. 1483 //---------------------------------------------------------------- 1484 try { 1485 String systemRoot = "SystemRoot=" + System.getenv("SystemRoot"); 1486 // '+' < 'A' < 'Z' < '_' < 'a' < 'z' < '~' 1487 String[]envp = {"FOO=BAR","BAZ=GORP","QUUX=", 1488 "+=+", "_=_", "~=~", systemRoot}; 1489 String output = nativeEnv(envp); 1490 String expected = "+=+\nBAZ=GORP\nFOO=BAR\nQUUX=\n"+systemRoot+"\n_=_\n~=~\n"; 1491 // On Windows, Java must keep the environment sorted. 1492 // Order is random on Unix, so this test does the sort. 1493 if (! Windows.is()) 1494 output = sortByLinesWindowsly(output); 1495 equal(output, expected); 1496 } catch (Throwable t) { unexpected(t); } 1497 1498 //---------------------------------------------------------------- 1499 // Test Runtime.exec(...envp...) 1500 // and check SystemRoot gets set automatically on Windows 1501 //---------------------------------------------------------------- 1502 try { 1503 if (Windows.is()) { 1504 String systemRoot = "SystemRoot=" + System.getenv("SystemRoot"); 1505 String[]envp = {"FOO=BAR","BAZ=GORP","QUUX=", 1506 "+=+", "_=_", "~=~"}; 1507 String output = nativeEnv(envp); 1508 String expected = "+=+\nBAZ=GORP\nFOO=BAR\nQUUX=\n"+systemRoot+"\n_=_\n~=~\n"; 1509 equal(output, expected); 1510 } 1511 } catch (Throwable t) { unexpected(t); } 1512 1513 //---------------------------------------------------------------- 1514 // System.getenv() must be consistent with System.getenv(String) 1515 //---------------------------------------------------------------- 1516 try { 1517 for (Map.Entry<String,String> e : getenv().entrySet()) 1518 equal(getenv(e.getKey()), e.getValue()); 1519 } catch (Throwable t) { unexpected(t); } 1520 1521 //---------------------------------------------------------------- 1522 // Fiddle with working directory in child 1523 //---------------------------------------------------------------- 1524 try { 1525 String canonicalUserDir = 1526 new File(System.getProperty("user.dir")).getCanonicalPath(); 1527 String[] sdirs = new String[] 1528 {".", "..", "/", "/bin", 1529 "C:", "c:", "C:/", "c:\\", "\\", "\\bin", 1530 "c:\\windows ", "c:\\Program Files", "c:\\Program Files\\" }; 1531 for (String sdir : sdirs) { 1532 File dir = new File(sdir); 1533 if (! (dir.isDirectory() && dir.exists())) 1534 continue; 1535 out.println("Testing directory " + dir); 1536 //dir = new File(dir.getCanonicalPath()); 1537 1538 ProcessBuilder pb = new ProcessBuilder(); 1539 equal(pb.directory(), null); 1540 equal(pwdInChild(pb), canonicalUserDir); 1541 1542 pb.directory(dir); 1543 equal(pb.directory(), dir); 1544 equal(pwdInChild(pb), dir.getCanonicalPath()); 1545 1546 pb.directory(null); 1547 equal(pb.directory(), null); 1548 equal(pwdInChild(pb), canonicalUserDir); 1549 1550 pb.directory(dir); 1551 } 1552 } catch (Throwable t) { unexpected(t); } 1553 1554 //---------------------------------------------------------------- 1555 // Working directory with Unicode in child 1556 //---------------------------------------------------------------- 1557 try { 1558 if (UnicodeOS.is()) { 1559 File dir = new File(System.getProperty("test.dir", "."), 1560 "ProcessBuilderDir\u4e00\u4e02"); 1561 try { 1562 if (!dir.exists()) 1563 dir.mkdir(); 1564 out.println("Testing Unicode directory:" + dir); 1565 ProcessBuilder pb = new ProcessBuilder(); 1566 pb.directory(dir); 1567 equal(pwdInChild(pb), dir.getCanonicalPath()); 1568 } finally { 1569 if (dir.exists()) 1570 dir.delete(); 1571 } 1572 } 1573 } catch (Throwable t) { unexpected(t); } 1574 1575 //---------------------------------------------------------------- 1576 // OOME in child allocating maximally sized array 1577 // Test for hotspot/jvmti bug 6850957 1578 //---------------------------------------------------------------- 1579 try { 1580 List<String> list = new ArrayList<String>(javaChildArgs); 1581 list.add(1, String.format("-XX:OnOutOfMemoryError=%s -version", 1582 javaExe)); 1583 list.add("ArrayOOME"); 1584 ProcessResults r = run(new ProcessBuilder(list)); 1585 check(r.out().contains("java.lang.OutOfMemoryError:")); 1586 check(r.out().contains(javaExe)); 1587 check(r.err().contains(System.getProperty("java.version"))); 1588 equal(r.exitValue(), 1); 1589 } catch (Throwable t) { unexpected(t); } 1590 1591 //---------------------------------------------------------------- 1592 // Windows has tricky semi-case-insensitive semantics 1593 //---------------------------------------------------------------- 1594 if (Windows.is()) 1595 try { 1596 out.println("Running case insensitve variable tests"); 1597 for (String[] namePair : 1598 new String[][] 1599 { new String[]{"PATH","PaTh"}, 1600 new String[]{"home","HOME"}, 1601 new String[]{"SYSTEMROOT","SystemRoot"}}) { 1602 check((getenv(namePair[0]) == null && 1603 getenv(namePair[1]) == null) 1604 || 1605 getenv(namePair[0]).equals(getenv(namePair[1])), 1606 "Windows environment variables are not case insensitive"); 1607 } 1608 } catch (Throwable t) { unexpected(t); } 1609 1610 //---------------------------------------------------------------- 1611 // Test proper Unicode child environment transfer 1612 //---------------------------------------------------------------- 1613 if (UnicodeOS.is()) 1614 try { 1615 ProcessBuilder pb = new ProcessBuilder(); 1616 pb.environment().put("\u1234","\u5678"); 1617 pb.environment().remove("PATH"); 1618 equal(getenvInChild1234(pb), "\u5678"); 1619 } catch (Throwable t) { unexpected(t); } 1620 1621 1622 //---------------------------------------------------------------- 1623 // Test Runtime.exec(...envp...) with envstrings with initial `=' 1624 //---------------------------------------------------------------- 1625 try { 1626 List<String> childArgs = new ArrayList<String>(javaChildArgs); 1627 childArgs.add("System.getenv()"); 1628 String[] cmdp = childArgs.toArray(new String[childArgs.size()]); 1629 String[] envp; 1630 String[] envpWin = {"=C:=\\", "=ExitValue=3", "SystemRoot="+systemRoot}; 1631 String[] envpOth = {"=ExitValue=3", "=C:=\\"}; 1632 if (Windows.is()) { 1633 envp = envpWin; 1634 } else { 1635 envp = envpOth; 1636 } 1637 Process p = Runtime.getRuntime().exec(cmdp, envp); 1638 String expected = Windows.is() ? "=C:=\\,=ExitValue=3,SystemRoot="+systemRoot+"," : "=C:=\\,"; 1639 String commandOutput = commandOutput(p); 1640 if (MacOSX.is()) { 1641 commandOutput = removeMacExpectedVars(commandOutput); 1642 } 1643 equal(commandOutput, expected); 1644 if (Windows.is()) { 1645 ProcessBuilder pb = new ProcessBuilder(childArgs); 1646 pb.environment().clear(); 1647 pb.environment().put("SystemRoot", systemRoot); 1648 pb.environment().put("=ExitValue", "3"); 1649 pb.environment().put("=C:", "\\"); 1650 equal(commandOutput(pb), expected); 1651 } 1652 } catch (Throwable t) { unexpected(t); } 1653 1654 //---------------------------------------------------------------- 1655 // Test Runtime.exec(...envp...) with envstrings without any `=' 1656 //---------------------------------------------------------------- 1657 try { 1658 String[] cmdp = {"echo"}; 1659 String[] envp = {"Hello", "World"}; // Yuck! 1660 Process p = Runtime.getRuntime().exec(cmdp, envp); 1661 equal(commandOutput(p), "\n"); 1662 } catch (Throwable t) { unexpected(t); } 1663 1664 //---------------------------------------------------------------- 1665 // Test Runtime.exec(...envp...) with envstrings containing NULs 1666 //---------------------------------------------------------------- 1667 try { 1668 List<String> childArgs = new ArrayList<String>(javaChildArgs); 1669 childArgs.add("System.getenv()"); 1670 String[] cmdp = childArgs.toArray(new String[childArgs.size()]); 1671 String[] envpWin = {"SystemRoot="+systemRoot, "LC_ALL=C\u0000\u0000", // Yuck! 1672 "FO\u0000=B\u0000R"}; 1673 String[] envpOth = {"LC_ALL=C\u0000\u0000", // Yuck! 1674 "FO\u0000=B\u0000R"}; 1675 String[] envp; 1676 if (Windows.is()) { 1677 envp = envpWin; 1678 } else { 1679 envp = envpOth; 1680 } 1681 System.out.println ("cmdp"); 1682 for (int i=0; i<cmdp.length; i++) { 1683 System.out.printf ("cmdp %d: %s\n", i, cmdp[i]); 1684 } 1685 System.out.println ("envp"); 1686 for (int i=0; i<envp.length; i++) { 1687 System.out.printf ("envp %d: %s\n", i, envp[i]); 1688 } 1689 Process p = Runtime.getRuntime().exec(cmdp, envp); 1690 String commandOutput = commandOutput(p); 1691 if (MacOSX.is()) { 1692 commandOutput = removeMacExpectedVars(commandOutput); 1693 } 1694 check(commandOutput.equals(Windows.is() 1695 ? "LC_ALL=C,SystemRoot="+systemRoot+"," 1696 : "LC_ALL=C,"), 1697 "Incorrect handling of envstrings containing NULs"); 1698 } catch (Throwable t) { unexpected(t); } 1699 1700 //---------------------------------------------------------------- 1701 // Test the redirectErrorStream property 1702 //---------------------------------------------------------------- 1703 try { 1704 ProcessBuilder pb = new ProcessBuilder(); 1705 equal(pb.redirectErrorStream(), false); 1706 equal(pb.redirectErrorStream(true), pb); 1707 equal(pb.redirectErrorStream(), true); 1708 equal(pb.redirectErrorStream(false), pb); 1709 equal(pb.redirectErrorStream(), false); 1710 } catch (Throwable t) { unexpected(t); } 1711 1712 try { 1713 List<String> childArgs = new ArrayList<String>(javaChildArgs); 1714 childArgs.add("OutErr"); 1715 ProcessBuilder pb = new ProcessBuilder(childArgs); 1716 { 1717 ProcessResults r = run(pb); 1718 equal(r.out(), "outout"); 1719 equal(r.err(), "errerr"); 1720 } 1721 { 1722 pb.redirectErrorStream(true); 1723 ProcessResults r = run(pb); 1724 equal(r.out(), "outerrouterr"); 1725 equal(r.err(), ""); 1726 } 1727 } catch (Throwable t) { unexpected(t); } 1728 1729 if (Unix.is()) { 1730 //---------------------------------------------------------------- 1731 // We can find true and false when PATH is null 1732 //---------------------------------------------------------------- 1733 try { 1734 List<String> childArgs = new ArrayList<String>(javaChildArgs); 1735 childArgs.add("null PATH"); 1736 ProcessBuilder pb = new ProcessBuilder(childArgs); 1737 pb.environment().remove("PATH"); 1738 ProcessResults r = run(pb); 1739 equal(r.out(), ""); 1740 equal(r.err(), ""); 1741 equal(r.exitValue(), 0); 1742 } catch (Throwable t) { unexpected(t); } 1743 1744 //---------------------------------------------------------------- 1745 // PATH search algorithm on Unix 1746 //---------------------------------------------------------------- 1747 try { 1748 List<String> childArgs = new ArrayList<String>(javaChildArgs); 1749 childArgs.add("PATH search algorithm"); 1750 ProcessBuilder pb = new ProcessBuilder(childArgs); 1751 pb.environment().put("PATH", "dir1:dir2:"); 1752 ProcessResults r = run(pb); 1753 equal(r.out(), ""); 1754 equal(r.err(), ""); 1755 equal(r.exitValue(), True.exitValue()); 1756 } catch (Throwable t) { unexpected(t); } 1757 1758 //---------------------------------------------------------------- 1759 // Parent's, not child's PATH is used 1760 //---------------------------------------------------------------- 1761 try { 1762 new File("suBdiR").mkdirs(); 1763 copy("/bin/true", "suBdiR/unliKely"); 1764 final ProcessBuilder pb = 1765 new ProcessBuilder(new String[]{"unliKely"}); 1766 pb.environment().put("PATH", "suBdiR"); 1767 THROWS(IOException.class, 1768 new Fun() {void f() throws Throwable {pb.start();}}); 1769 } catch (Throwable t) { unexpected(t); 1770 } finally { 1771 new File("suBdiR/unliKely").delete(); 1772 new File("suBdiR").delete(); 1773 } 1774 } 1775 1776 //---------------------------------------------------------------- 1777 // Attempt to start bogus program "" 1778 //---------------------------------------------------------------- 1779 try { 1780 new ProcessBuilder("").start(); 1781 fail("Expected IOException not thrown"); 1782 } catch (IOException e) { 1783 String m = e.getMessage(); 1784 if (EnglishUnix.is() && 1785 ! matches(m, "No such file or directory")) 1786 unexpected(e); 1787 } catch (Throwable t) { unexpected(t); } 1788 1789 //---------------------------------------------------------------- 1790 // Check that attempt to execute program name with funny 1791 // characters throws an exception containing those characters. 1792 //---------------------------------------------------------------- 1793 for (String programName : new String[] {"\u00f0", "\u01f0"}) 1794 try { 1795 new ProcessBuilder(programName).start(); 1796 fail("Expected IOException not thrown"); 1797 } catch (IOException e) { 1798 String m = e.getMessage(); 1799 Pattern p = Pattern.compile(programName); 1800 if (! matches(m, programName) 1801 || (EnglishUnix.is() 1802 && ! matches(m, "No such file or directory"))) 1803 unexpected(e); 1804 } catch (Throwable t) { unexpected(t); } 1805 1806 //---------------------------------------------------------------- 1807 // Attempt to start process in nonexistent directory fails. 1808 //---------------------------------------------------------------- 1809 try { 1810 new ProcessBuilder("echo") 1811 .directory(new File("UnLiKeLY")) 1812 .start(); 1813 fail("Expected IOException not thrown"); 1814 } catch (IOException e) { 1815 String m = e.getMessage(); 1816 if (! matches(m, "in directory") 1817 || (EnglishUnix.is() && 1818 ! matches(m, "No such file or directory"))) 1819 unexpected(e); 1820 } catch (Throwable t) { unexpected(t); } 1821 1822 //---------------------------------------------------------------- 1823 // Attempt to write 4095 bytes to the pipe buffer without a 1824 // reader to drain it would deadlock, if not for the fact that 1825 // interprocess pipe buffers are at least 4096 bytes. 1826 // 1827 // Also, check that available reports all the bytes expected 1828 // in the pipe buffer, and that I/O operations do the expected 1829 // things. 1830 //---------------------------------------------------------------- 1831 try { 1832 List<String> childArgs = new ArrayList<String>(javaChildArgs); 1833 childArgs.add("print4095"); 1834 final int SIZE = 4095; 1835 final Process p = new ProcessBuilder(childArgs).start(); 1836 print4095(p.getOutputStream(), (byte) '!'); // Might hang! 1837 p.waitFor(); // Might hang! 1838 equal(SIZE, p.getInputStream().available()); 1839 equal(SIZE, p.getErrorStream().available()); 1840 THROWS(IOException.class, 1841 new Fun(){void f() throws IOException { 1842 p.getOutputStream().write((byte) '!'); 1843 p.getOutputStream().flush(); 1844 }}); 1845 1846 final byte[] bytes = new byte[SIZE + 1]; 1847 equal(SIZE, p.getInputStream().read(bytes)); 1848 for (int i = 0; i < SIZE; i++) 1849 equal((byte) '!', bytes[i]); 1850 equal((byte) 0, bytes[SIZE]); 1851 1852 equal(SIZE, p.getErrorStream().read(bytes)); 1853 for (int i = 0; i < SIZE; i++) 1854 equal((byte) 'E', bytes[i]); 1855 equal((byte) 0, bytes[SIZE]); 1856 1857 equal(0, p.getInputStream().available()); 1858 equal(0, p.getErrorStream().available()); 1859 equal(-1, p.getErrorStream().read()); 1860 equal(-1, p.getInputStream().read()); 1861 1862 equal(p.exitValue(), 5); 1863 1864 p.getInputStream().close(); 1865 p.getErrorStream().close(); 1866 try { p.getOutputStream().close(); } catch (IOException flushFailed) { } 1867 1868 InputStream[] streams = { p.getInputStream(), p.getErrorStream() }; 1869 for (final InputStream in : streams) { 1870 Fun[] ops = { 1871 new Fun(){void f() throws IOException { 1872 in.read(); }}, 1873 new Fun(){void f() throws IOException { 1874 in.read(bytes); }}, 1875 new Fun(){void f() throws IOException { 1876 in.available(); }} 1877 }; 1878 for (Fun op : ops) { 1879 try { 1880 op.f(); 1881 fail(); 1882 } catch (IOException expected) { 1883 check(expected.getMessage() 1884 .matches("[Ss]tream [Cc]losed")); 1885 } 1886 } 1887 } 1888 } catch (Throwable t) { unexpected(t); } 1889 1890 //---------------------------------------------------------------- 1891 // Check that reads which are pending when Process.destroy is 1892 // called, get EOF, not IOException("Stream closed"). 1893 //---------------------------------------------------------------- 1894 try { 1895 final int cases = 4; 1896 for (int i = 0; i < cases; i++) { 1897 final int action = i; 1898 List<String> childArgs = new ArrayList<String>(javaChildArgs); 1899 childArgs.add("sleep"); 1900 final byte[] bytes = new byte[10]; 1901 final Process p = new ProcessBuilder(childArgs).start(); 1902 final CountDownLatch latch = new CountDownLatch(1); 1903 final Thread thread = new Thread() { 1904 public void run() { 1905 try { 1906 latch.countDown(); 1907 int r; 1908 switch (action) { 1909 case 0: r = p.getInputStream().read(); break; 1910 case 1: r = p.getErrorStream().read(); break; 1911 case 2: r = p.getInputStream().read(bytes); break; 1912 case 3: r = p.getErrorStream().read(bytes); break; 1913 default: throw new Error(); 1914 } 1915 equal(-1, r); 1916 } catch (Throwable t) { unexpected(t); }}}; 1917 1918 thread.start(); 1919 latch.await(); 1920 Thread.sleep(10); 1921 p.destroy(); 1922 thread.join(); 1923 } 1924 } catch (Throwable t) { unexpected(t); } 1925 1926 //---------------------------------------------------------------- 1927 // Check that subprocesses which create subprocesses of their 1928 // own do not cause parent to hang waiting for file 1929 // descriptors to be closed. 1930 //---------------------------------------------------------------- 1931 try { 1932 if (Unix.is() 1933 && new File("/bin/bash").exists() 1934 && new File("/bin/sleep").exists()) { 1935 final String[] cmd = { "/bin/bash", "-c", "(/bin/sleep 6666)" }; 1936 final ProcessBuilder pb = new ProcessBuilder(cmd); 1937 final Process p = pb.start(); 1938 final InputStream stdout = p.getInputStream(); 1939 final InputStream stderr = p.getErrorStream(); 1940 final OutputStream stdin = p.getOutputStream(); 1941 final Thread reader = new Thread() { 1942 public void run() { 1943 try { stdout.read(); } 1944 catch (IOException e) { 1945 // Check that reader failed because stream was 1946 // asynchronously closed. 1947 // e.printStackTrace(); 1948 if (EnglishUnix.is() && 1949 ! (e.getMessage().matches(".*Bad file.*"))) 1950 unexpected(e); 1951 } 1952 catch (Throwable t) { unexpected(t); }}}; 1953 reader.setDaemon(true); 1954 reader.start(); 1955 Thread.sleep(100); 1956 p.destroy(); 1957 // Subprocess is now dead, but file descriptors remain open. 1958 check(p.waitFor() != 0); 1959 check(p.exitValue() != 0); 1960 stdout.close(); 1961 stderr.close(); 1962 stdin.close(); 1963 //---------------------------------------------------------- 1964 // There remain unsolved issues with asynchronous close. 1965 // Here's a highly non-portable experiment to demonstrate: 1966 //---------------------------------------------------------- 1967 if (Boolean.getBoolean("wakeupJeff!")) { 1968 System.out.println("wakeupJeff!"); 1969 // Initialize signal handler for INTERRUPT_SIGNAL. 1970 new FileInputStream("/bin/sleep").getChannel().close(); 1971 // Send INTERRUPT_SIGNAL to every thread in this java. 1972 String[] wakeupJeff = { 1973 "/bin/bash", "-c", 1974 "/bin/ps --noheaders -Lfp $PPID | " + 1975 "/usr/bin/perl -nale 'print $F[3]' | " + 1976 // INTERRUPT_SIGNAL == 62 on my machine du jour. 1977 "/usr/bin/xargs kill -62" 1978 }; 1979 new ProcessBuilder(wakeupJeff).start().waitFor(); 1980 // If wakeupJeff worked, reader probably got EBADF. 1981 reader.join(); 1982 } 1983 } 1984 } catch (Throwable t) { unexpected(t); } 1985 1986 //---------------------------------------------------------------- 1987 // Attempt to start process with insufficient permissions fails. 1988 //---------------------------------------------------------------- 1989 try { 1990 new File("emptyCommand").delete(); 1991 new FileOutputStream("emptyCommand").close(); 1992 new File("emptyCommand").setExecutable(false); 1993 new ProcessBuilder("./emptyCommand").start(); 1994 fail("Expected IOException not thrown"); 1995 } catch (IOException e) { 1996 new File("./emptyCommand").delete(); 1997 String m = e.getMessage(); 1998 if (EnglishUnix.is() && 1999 ! matches(m, "Permission denied")) 2000 unexpected(e); 2001 } catch (Throwable t) { unexpected(t); } 2002 2003 new File("emptyCommand").delete(); 2004 2005 //---------------------------------------------------------------- 2006 // Check for correct security permission behavior 2007 //---------------------------------------------------------------- 2008 final Policy policy = new Policy(); 2009 Policy.setPolicy(policy); 2010 System.setSecurityManager(new SecurityManager()); 2011 2012 try { 2013 // No permissions required to CREATE a ProcessBuilder 2014 policy.setPermissions(/* Nothing */); 2015 new ProcessBuilder("env").directory(null).directory(); 2016 new ProcessBuilder("env").directory(new File("dir")).directory(); 2017 new ProcessBuilder("env").command("??").command(); 2018 } catch (Throwable t) { unexpected(t); } 2019 2020 THROWS(SecurityException.class, 2021 new Fun() { void f() throws IOException { 2022 policy.setPermissions(/* Nothing */); 2023 System.getenv("foo");}}, 2024 new Fun() { void f() throws IOException { 2025 policy.setPermissions(/* Nothing */); 2026 System.getenv();}}, 2027 new Fun() { void f() throws IOException { 2028 policy.setPermissions(/* Nothing */); 2029 new ProcessBuilder("echo").start();}}, 2030 new Fun() { void f() throws IOException { 2031 policy.setPermissions(/* Nothing */); 2032 Runtime.getRuntime().exec("echo");}}, 2033 new Fun() { void f() throws IOException { 2034 policy.setPermissions(new RuntimePermission("getenv.bar")); 2035 System.getenv("foo");}}); 2036 2037 try { 2038 policy.setPermissions(new RuntimePermission("getenv.foo")); 2039 System.getenv("foo"); 2040 2041 policy.setPermissions(new RuntimePermission("getenv.*")); 2042 System.getenv("foo"); 2043 System.getenv(); 2044 new ProcessBuilder().environment(); 2045 } catch (Throwable t) { unexpected(t); } 2046 2047 2048 final Permission execPermission 2049 = new FilePermission("<<ALL FILES>>", "execute"); 2050 2051 THROWS(SecurityException.class, 2052 new Fun() { void f() throws IOException { 2053 // environment permission by itself insufficient 2054 policy.setPermissions(new RuntimePermission("getenv.*")); 2055 ProcessBuilder pb = new ProcessBuilder("env"); 2056 pb.environment().put("foo","bar"); 2057 pb.start();}}, 2058 new Fun() { void f() throws IOException { 2059 // exec permission by itself insufficient 2060 policy.setPermissions(execPermission); 2061 ProcessBuilder pb = new ProcessBuilder("env"); 2062 pb.environment().put("foo","bar"); 2063 pb.start();}}); 2064 2065 try { 2066 // Both permissions? OK. 2067 policy.setPermissions(new RuntimePermission("getenv.*"), 2068 execPermission); 2069 ProcessBuilder pb = new ProcessBuilder("env"); 2070 pb.environment().put("foo","bar"); 2071 Process p = pb.start(); 2072 closeStreams(p); 2073 } catch (IOException e) { // OK 2074 } catch (Throwable t) { unexpected(t); } 2075 2076 try { 2077 // Don't need environment permission unless READING environment 2078 policy.setPermissions(execPermission); 2079 Runtime.getRuntime().exec("env", new String[]{}); 2080 } catch (IOException e) { // OK 2081 } catch (Throwable t) { unexpected(t); } 2082 2083 try { 2084 // Don't need environment permission unless READING environment 2085 policy.setPermissions(execPermission); 2086 new ProcessBuilder("env").start(); 2087 } catch (IOException e) { // OK 2088 } catch (Throwable t) { unexpected(t); } 2089 2090 // Restore "normal" state without a security manager 2091 policy.setPermissions(new RuntimePermission("setSecurityManager")); 2092 System.setSecurityManager(null); 2093 2094 //---------------------------------------------------------------- 2095 // Check that Process.isAlive() & 2096 // Process.waitFor(0, TimeUnit.MILLISECONDS) work as expected. 2097 //---------------------------------------------------------------- 2098 try { 2099 List<String> childArgs = new ArrayList<String>(javaChildArgs); 2100 childArgs.add("sleep"); 2101 final Process p = new ProcessBuilder(childArgs).start(); 2102 long start = System.nanoTime(); 2103 if (!p.isAlive() || p.waitFor(0, TimeUnit.MILLISECONDS)) { 2104 fail("Test failed: Process exited prematurely"); 2105 } 2106 long end = System.nanoTime(); 2107 // give waitFor(timeout) a wide berth (100ms) 2108 if ((end - start) > 100000000) 2109 fail("Test failed: waitFor took too long"); 2110 2111 p.destroy(); 2112 p.waitFor(); 2113 2114 if (p.isAlive() || 2115 !p.waitFor(0, TimeUnit.MILLISECONDS)) 2116 { 2117 fail("Test failed: Process still alive - please terminate " + 2118 p.toString() + " manually"); 2119 } 2120 } catch (Throwable t) { unexpected(t); } 2121 2122 //---------------------------------------------------------------- 2123 // Check that Process.waitFor(timeout, TimeUnit.MILLISECONDS) 2124 // works as expected. 2125 //---------------------------------------------------------------- 2126 try { 2127 List<String> childArgs = new ArrayList<String>(javaChildArgs); 2128 childArgs.add("sleep"); 2129 final Process p = new ProcessBuilder(childArgs).start(); 2130 long start = System.nanoTime(); 2131 2132 p.waitFor(1000, TimeUnit.MILLISECONDS); 2133 2134 long end = System.nanoTime(); 2135 if ((end - start) < 500) 2136 fail("Test failed: waitFor didn't take long enough"); 2137 2138 p.destroy(); 2139 2140 start = System.nanoTime(); 2141 p.waitFor(1000, TimeUnit.MILLISECONDS); 2142 end = System.nanoTime(); 2143 if ((end - start) > 100000000) 2144 fail("Test failed: waitFor took too long on a dead process."); 2145 } catch (Throwable t) { unexpected(t); } 2146 2147 //---------------------------------------------------------------- 2148 // Check that Process.waitFor(timeout, TimeUnit.MILLISECONDS) 2149 // interrupt works as expected. 2150 //---------------------------------------------------------------- 2151 try { 2152 List<String> childArgs = new ArrayList<String>(javaChildArgs); 2153 childArgs.add("sleep"); 2154 final Process p = new ProcessBuilder(childArgs).start(); 2155 final long start = System.nanoTime(); 2156 2157 final Thread thread = new Thread() { 2158 public void run() { 2159 try { 2160 try { 2161 p.waitFor(10000, TimeUnit.MILLISECONDS); 2162 } catch (InterruptedException e) { 2163 return; 2164 } 2165 fail("waitFor() wasn't interrupted"); 2166 } catch (Throwable t) { unexpected(t); }}}; 2167 2168 thread.start(); 2169 Thread.sleep(1000); 2170 thread.interrupt(); 2171 p.destroy(); 2172 } catch (Throwable t) { unexpected(t); } 2173 } 2174 2175 static void closeStreams(Process p) { 2176 try { 2177 p.getOutputStream().close(); 2178 p.getInputStream().close(); 2179 p.getErrorStream().close(); 2180 } catch (Throwable t) { unexpected(t); } 2181 } 2182 2183 //---------------------------------------------------------------- 2184 // A Policy class designed to make permissions fiddling very easy. 2185 //---------------------------------------------------------------- 2186 private static class Policy extends java.security.Policy { 2187 private Permissions perms; 2188 2189 public void setPermissions(Permission...permissions) { 2190 perms = new Permissions(); 2191 for (Permission permission : permissions) 2192 perms.add(permission); 2193 } 2194 2195 public Policy() { setPermissions(/* Nothing */); } 2196 2197 public PermissionCollection getPermissions(CodeSource cs) { 2198 return perms; 2199 } 2200 2201 public PermissionCollection getPermissions(ProtectionDomain pd) { 2202 return perms; 2203 } 2204 2205 public boolean implies(ProtectionDomain pd, Permission p) { 2206 return perms.implies(p); 2207 } 2208 2209 public void refresh() {} 2210 } 2211 2212 private static class StreamAccumulator extends Thread { 2213 private final InputStream is; 2214 private final StringBuilder sb = new StringBuilder(); 2215 private Throwable throwable = null; 2216 2217 public String result () throws Throwable { 2218 if (throwable != null) 2219 throw throwable; 2220 return sb.toString(); 2221 } 2222 2223 StreamAccumulator (InputStream is) { 2224 this.is = is; 2225 } 2226 2227 public void run() { 2228 try { 2229 Reader r = new InputStreamReader(is); 2230 char[] buf = new char[4096]; 2231 int n; 2232 while ((n = r.read(buf)) > 0) { 2233 sb.append(buf,0,n); 2234 } 2235 } catch (Throwable t) { 2236 throwable = t; 2237 } finally { 2238 try { is.close(); } 2239 catch (Throwable t) { throwable = t; } 2240 } 2241 } 2242 } 2243 2244 static ProcessResults run(ProcessBuilder pb) { 2245 try { 2246 return run(pb.start()); 2247 } catch (Throwable t) { unexpected(t); return null; } 2248 } 2249 2250 private static ProcessResults run(Process p) { 2251 Throwable throwable = null; 2252 int exitValue = -1; 2253 String out = ""; 2254 String err = ""; 2255 2256 StreamAccumulator outAccumulator = 2257 new StreamAccumulator(p.getInputStream()); 2258 StreamAccumulator errAccumulator = 2259 new StreamAccumulator(p.getErrorStream()); 2260 2261 try { 2262 outAccumulator.start(); 2263 errAccumulator.start(); 2264 2265 exitValue = p.waitFor(); 2266 2267 outAccumulator.join(); 2268 errAccumulator.join(); 2269 2270 out = outAccumulator.result(); 2271 err = errAccumulator.result(); 2272 } catch (Throwable t) { 2273 throwable = t; 2274 } 2275 2276 return new ProcessResults(out, err, exitValue, throwable); 2277 } 2278 2279 //---------------------------------------------------------------- 2280 // Results of a command 2281 //---------------------------------------------------------------- 2282 private static class ProcessResults { 2283 private final String out; 2284 private final String err; 2285 private final int exitValue; 2286 private final Throwable throwable; 2287 2288 public ProcessResults(String out, 2289 String err, 2290 int exitValue, 2291 Throwable throwable) { 2292 this.out = out; 2293 this.err = err; 2294 this.exitValue = exitValue; 2295 this.throwable = throwable; 2296 } 2297 2298 public String out() { return out; } 2299 public String err() { return err; } 2300 public int exitValue() { return exitValue; } 2301 public Throwable throwable() { return throwable; } 2302 2303 public String toString() { 2304 StringBuilder sb = new StringBuilder(); 2305 sb.append("<STDOUT>\n" + out() + "</STDOUT>\n") 2306 .append("<STDERR>\n" + err() + "</STDERR>\n") 2307 .append("exitValue = " + exitValue + "\n"); 2308 if (throwable != null) 2309 sb.append(throwable.getStackTrace()); 2310 return sb.toString(); 2311 } 2312 } 2313 2314 //--------------------- Infrastructure --------------------------- 2315 static volatile int passed = 0, failed = 0; 2316 static void pass() {passed++;} 2317 static void fail() {failed++; Thread.dumpStack();} 2318 static void fail(String msg) {System.out.println(msg); fail();} 2319 static void unexpected(Throwable t) {failed++; t.printStackTrace();} 2320 static void check(boolean cond) {if (cond) pass(); else fail();} 2321 static void check(boolean cond, String m) {if (cond) pass(); else fail(m);} 2322 static void equal(Object x, Object y) { 2323 if (x == null ? y == null : x.equals(y)) pass(); 2324 else fail(x + " not equal to " + y);} 2325 2326 public static void main(String[] args) throws Throwable { 2327 try {realMain(args);} catch (Throwable t) {unexpected(t);} 2328 System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); 2329 if (failed > 0) throw new AssertionError("Some tests failed");} 2330 private static abstract class Fun {abstract void f() throws Throwable;} 2331 static void THROWS(Class<? extends Throwable> k, Fun... fs) { 2332 for (Fun f : fs) 2333 try { f.f(); fail("Expected " + k.getName() + " not thrown"); } 2334 catch (Throwable t) { 2335 if (k.isAssignableFrom(t.getClass())) pass(); 2336 else unexpected(t);}} 2337 }