1 /* 2 * Copyright (c) 2014, 2016, 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 4981566 5028634 5094412 6304984 7025786 7025789 8001112 8028545 8000961 8030610 27 * @summary Check interpretation of -target and -source options 28 * @modules java.compiler 29 * jdk.compiler 30 * @run main Versions 31 */ 32 33 import java.io.*; 34 import java.nio.*; 35 import java.nio.channels.*; 36 37 import javax.tools.JavaCompiler; 38 import javax.tools.ToolProvider; 39 import javax.tools.JavaFileObject; 40 import javax.tools.StandardJavaFileManager; 41 import java.util.List; 42 import java.util.ArrayList; 43 import java.util.Arrays; 44 45 46 public class Versions { 47 48 protected JavaCompiler javacompiler; 49 protected int failedCases; 50 51 public Versions() throws IOException { 52 javacompiler = ToolProvider.getSystemJavaCompiler(); 53 genSourceFiles(); 54 failedCases = 0; 55 } 56 57 public static void main(String... args) throws IOException { 58 Versions versions = new Versions(); 59 versions.run(); 60 } 61 62 void run() { 63 64 String TC = ""; 65 System.out.println("Version.java: Starting"); 66 67 check("53.0"); 68 check("53.0", "-source 1.6"); 69 check("53.0", "-source 1.7"); 70 check("53.0", "-source 1.8"); 71 check("53.0", "-source 1.9"); 72 73 check_source_target("50.0", "6", "6"); 74 check_source_target("51.0", "6", "7"); 75 check_source_target("51.0", "7", "7"); 76 check_source_target("52.0", "6", "8"); 77 check_source_target("52.0", "7", "8"); 78 check_source_target("52.0", "8", "8"); 79 check_source_target("53.0", "6", "9"); 80 check_source_target("53.0", "7", "9"); 81 check_source_target("53.0", "8", "9"); 82 check_source_target("53.0", "9", "9"); 83 84 checksrc16("-source 1.6"); 85 checksrc16("-source 6"); 86 checksrc16("-source 1.6", "-target 1.6"); 87 checksrc16("-source 6", "-target 6"); 88 checksrc17("-source 1.7"); 89 checksrc17("-source 7"); 90 checksrc17("-source 1.7", "-target 1.7"); 91 checksrc17("-source 7", "-target 7"); 92 checksrc18("-source 1.8"); 93 checksrc18("-source 8"); 94 checksrc18("-source 1.8", "-target 1.8"); 95 checksrc18("-source 8", "-target 8"); 96 checksrc19(); 97 checksrc19("-source 1.9"); 98 checksrc19("-source 9"); 99 checksrc19("-source 1.9", "-target 1.9"); 100 checksrc19("-source 9", "-target 9"); 101 checksrc19("-target 1.9"); 102 checksrc19("-target 9"); 103 104 fail("-source 7", "-target 1.6", "Base.java"); 105 fail("-source 8", "-target 1.6", "Base.java"); 106 fail("-source 8", "-target 1.7", "Base.java"); 107 fail("-source 9", "-target 1.7", "Base.java"); 108 fail("-source 9", "-target 1.8", "Base.java"); 109 110 fail("-source 1.5", "-target 1.5", "Base.java"); 111 fail("-source 1.4", "-target 1.4", "Base.java"); 112 fail("-source 1.3", "-target 1.3", "Base.java"); 113 fail("-source 1.2", "-target 1.2", "Base.java"); 114 115 if (failedCases > 0) { 116 System.err.println("failedCases = " + String.valueOf(failedCases)); 117 throw new Error("Test failed"); 118 } 119 120 } 121 122 protected void printargs(String fname,String... args) { 123 System.out.printf("test: %s", fname); 124 for (String onearg : args) { 125 System.out.printf(" %s", onearg); 126 } 127 System.out.printf("\n", fname); 128 } 129 130 protected void check_source_target(String... args) { 131 printargs("check_source_target", args); 132 check_target(args[0], args[1], args[2]); 133 check_target(args[0], "1." + args[1], args[2]); 134 } 135 136 protected void check_target(String... args) { 137 check(args[0], "-source " + args[1], "-target " + args[2]); 138 check(args[0], "-source " + args[1], "-target 1." + args[2]); 139 } 140 141 protected void check(String major, String... args) { 142 printargs("check", args); 143 List<String> jcargs = new ArrayList<String>(); 144 jcargs.add("-Xlint:-options"); 145 146 // add in args conforming to List requrements of JavaCompiler 147 for (String onearg : args) { 148 String[] fields = onearg.split(" "); 149 for (String onefield : fields) { 150 jcargs.add(onefield); 151 } 152 } 153 154 boolean creturn = compile("Base.java", jcargs); 155 if (!creturn) { 156 // compilation errors note and return.. assume no class file 157 System.err.println("check: Compilation Failed"); 158 System.err.println("\t classVersion:\t" + major); 159 System.err.println("\t arguments:\t" + jcargs); 160 failedCases++; 161 162 } else if (!checkClassFileVersion("Base.class", major)) { 163 failedCases++; 164 } 165 } 166 167 protected void checksrc16(String... args) { 168 printargs("checksrc16", args); 169 int asize = args.length; 170 String[] newargs = new String[asize + 1]; 171 System.arraycopy(args, 0, newargs, 0, asize); 172 newargs[asize] = "Base.java"; 173 pass(newargs); 174 newargs[asize] = "New17.java"; 175 fail(newargs); 176 } 177 178 protected void checksrc17(String... args) { 179 printargs("checksrc17", args); 180 int asize = args.length; 181 String[] newargs = new String[asize+1]; 182 System.arraycopy(args, 0, newargs,0 , asize); 183 newargs[asize] = "New17.java"; 184 pass(newargs); 185 newargs[asize] = "New18.java"; 186 fail(newargs); 187 } 188 189 protected void checksrc18(String... args) { 190 printargs("checksrc18", args); 191 int asize = args.length; 192 String[] newargs = new String[asize+1]; 193 System.arraycopy(args, 0, newargs,0 , asize); 194 newargs[asize] = "New17.java"; 195 pass(newargs); 196 newargs[asize] = "New18.java"; 197 pass(newargs); 198 } 199 200 protected void checksrc19(String... args) { 201 printargs("checksrc19", args); 202 checksrc18(args); 203 } 204 205 protected void pass(String... args) { 206 printargs("pass", args); 207 208 List<String> jcargs = new ArrayList<String>(); 209 jcargs.add("-Xlint:-options"); 210 211 // add in args conforming to List requrements of JavaCompiler 212 for (String onearg : args) { 213 String[] fields = onearg.split(" "); 214 for (String onefield : fields) { 215 jcargs.add(onefield); 216 } 217 } 218 219 // empty list is error 220 if (jcargs.isEmpty()) { 221 System.err.println("error: test error in pass() - No arguments"); 222 System.err.println("\t arguments:\t" + jcargs); 223 failedCases++; 224 return; 225 } 226 227 // the last argument is the filename *.java 228 String filename = jcargs.get(jcargs.size() - 1); 229 jcargs.remove(jcargs.size() - 1); 230 231 boolean creturn = compile(filename, jcargs); 232 // expect a compilation failure, failure if otherwise 233 if (!creturn) { 234 System.err.println("pass: Compilation erroneously failed"); 235 System.err.println("\t arguments:\t" + jcargs); 236 System.err.println("\t file :\t" + filename); 237 failedCases++; 238 239 } 240 241 } 242 243 protected void fail(String... args) { 244 printargs("fail", args); 245 246 List<String> jcargs = new ArrayList<String>(); 247 jcargs.add("-Xlint:-options"); 248 249 // add in args conforming to List requrements of JavaCompiler 250 for (String onearg : args) { 251 String[] fields = onearg.split(" "); 252 for (String onefield : fields) { 253 jcargs.add(onefield); 254 } 255 } 256 257 // empty list is error 258 if (jcargs.isEmpty()) { 259 System.err.println("error: test error in fail()- No arguments"); 260 System.err.println("\t arguments:\t" + jcargs); 261 failedCases++; 262 return; 263 } 264 265 // the last argument is the filename *.java 266 String filename = jcargs.get(jcargs.size() - 1); 267 jcargs.remove(jcargs.size() - 1); 268 269 boolean creturn = compile(filename, jcargs); 270 // expect a compilation failure, failure if otherwise 271 if (creturn) { 272 System.err.println("fail: Compilation erroneously succeeded"); 273 System.err.println("\t arguments:\t" + jcargs); 274 System.err.println("\t file :\t" + filename); 275 failedCases++; 276 } 277 } 278 279 protected boolean compile(String sourceFile, List<String>options) { 280 JavaCompiler.CompilationTask jctask; 281 try (StandardJavaFileManager fm = javacompiler.getStandardFileManager(null, null, null)) { 282 Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(sourceFile); 283 284 jctask = javacompiler.getTask( 285 null, // Writer 286 fm, // JavaFileManager 287 null, // DiagnosticListener 288 options, // Iterable<String> 289 null, // Iterable<String> classes 290 files); // Iterable<? extends JavaFileObject> 291 292 try { 293 return jctask.call(); 294 } catch (IllegalStateException e) { 295 System.err.println(e); 296 return false; 297 } 298 } catch (IOException e) { 299 throw new Error(e); 300 } 301 } 302 303 protected void writeSourceFile(String fileName, String body) throws IOException{ 304 try (Writer fw = new FileWriter(fileName)) { 305 fw.write(body); 306 } 307 } 308 309 protected void genSourceFiles() throws IOException{ 310 /* Create a file that executes with all supported versions. */ 311 writeSourceFile("Base.java","public class Base { }\n"); 312 313 /* 314 * Create a file with a new feature in 1.7, not in 1.6 : "<>" 315 */ 316 writeSourceFile("New17.java", 317 "import java.util.List;\n" + 318 "import java.util.ArrayList;\n" + 319 "class New17 { List<String> s = new ArrayList<>(); }\n" 320 ); 321 322 /* 323 * Create a file with a new feature in 1.8, not in 1.7 : lambda 324 */ 325 writeSourceFile("New18.java", 326 "public class New18 { \n" + 327 " void m() { \n" + 328 " new Thread(() -> { }); \n" + 329 " } \n" + 330 "} \n" 331 ); 332 333 } 334 335 protected boolean checkClassFileVersion 336 (String filename,String classVersionNumber) { 337 ByteBuffer bb = ByteBuffer.allocate(1024); 338 try (FileChannel fc = new FileInputStream(filename).getChannel()) { 339 bb.clear(); 340 if (fc.read(bb) < 0) 341 throw new IOException("Could not read from file : " + filename); 342 bb.flip(); 343 int minor = bb.getShort(4); 344 int major = bb.getShort(6); 345 String fileVersion = major + "." + minor; 346 if (fileVersion.equals(classVersionNumber)) { 347 return true; 348 } else { 349 System.err.println("checkClassFileVersion : Failed"); 350 System.err.println("\tclassfile version mismatch"); 351 System.err.println("\texpected : " + classVersionNumber); 352 System.err.println("\tfound : " + fileVersion); 353 return false; 354 } 355 } 356 catch (IOException e) { 357 System.err.println("checkClassFileVersion : Failed"); 358 System.err.println("\terror :\t" + e.getMessage()); 359 System.err.println("\tfile:\tfilename"); 360 } 361 return false; 362 } 363 } 364