1 /*
2 * Copyright (c) 2014, 2018, 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 8028546 8188870 8173382 8173382 8193290 8205619
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 String LATEST_MAJOR_VERSION = "56.0";
68 check(LATEST_MAJOR_VERSION);
69 check(LATEST_MAJOR_VERSION, "-source 1.6");
70 check(LATEST_MAJOR_VERSION, "-source 1.7");
71 check(LATEST_MAJOR_VERSION, "-source 1.8");
72 check(LATEST_MAJOR_VERSION, "-source 1.9");
73 check(LATEST_MAJOR_VERSION, "-source 1.10");
74 check(LATEST_MAJOR_VERSION, "-source 11");
75 check(LATEST_MAJOR_VERSION, "-source 12");
76
77 check_source_target(true, "50.0", "6", "6");
78 check_source_target(true, "51.0", "6", "7");
79 check_source_target(true, "51.0", "7", "7");
80 check_source_target(true, "52.0", "6", "8");
81 check_source_target(true, "52.0", "7", "8");
82 check_source_target(true, "52.0", "8", "8");
83 check_source_target(true, "53.0", "6", "9");
84 check_source_target(true, "53.0", "7", "9");
85 check_source_target(true, "53.0", "8", "9");
86 check_source_target(true, "53.0", "9", "9");
87 check_source_target(true, "54.0", "6", "10");
88 check_source_target(true, "54.0", "7", "10");
89 check_source_target(true, "54.0", "8", "10");
90 check_source_target(true, "54.0", "9", "10");
91 check_source_target(true, "54.0", "10", "10");
92 check_source_target(false, "55.0", "6", "11");
93 check_source_target(false, "55.0", "7", "11");
94 check_source_target(false, "55.0", "8", "11");
95 check_source_target(false, "55.0", "9", "11");
96 check_source_target(false, "55.0", "10", "11");
97 check_source_target(false, "55.0", "11", "11");
98 check_source_target(false, "56.0", "12", "12");
99
100 checksrc16("-source 1.6");
101 checksrc16("-source 6");
102 checksrc16("-source 1.6", "-target 1.6");
103 checksrc16("-source 6", "-target 6");
104 checksrc17("-source 1.7");
105 checksrc17("-source 7");
106 checksrc17("-source 1.7", "-target 1.7");
107 checksrc17("-source 7", "-target 7");
108 checksrc18("-source 1.8");
109 checksrc18("-source 8");
110 checksrc18("-source 1.8", "-target 1.8");
111 checksrc18("-source 8", "-target 8");
112 checksrc19("-source 1.9");
113 checksrc19("-source 9");
114 checksrc19("-source 1.9", "-target 1.9");
115 checksrc19("-source 9", "-target 9");
116 checksrc110();
117 checksrc110("-source 1.10");
118 checksrc110("-source 10");
119 checksrc110("-source 1.10", "-target 1.10");
120 checksrc110("-source 10", "-target 10");
121 checksrc111("-source 11");
122 checksrc111("-source 11", "-target 11");
123 checksrc112("-source 12");
124 checksrc112("-source 12", "-target 12");
125 checksrc112("-target 12");
126
127 fail("-source 7", "-target 1.6", "Base.java");
128 fail("-source 8", "-target 1.6", "Base.java");
129 fail("-source 8", "-target 1.7", "Base.java");
130 fail("-source 9", "-target 1.7", "Base.java");
131 fail("-source 9", "-target 1.8", "Base.java");
132 fail("-source 10", "-target 1.7", "Base.java");
133 fail("-source 10", "-target 1.8", "Base.java");
134 fail("-source 11", "-target 1.9", "Base.java");
135 fail("-source 11", "-target 1.10", "Base.java");
136 fail("-source 12", "-target 1.10", "Base.java");
137 fail("-source 12", "-target 11", "Base.java");
138
139 fail("-source 1.5", "-target 1.5", "Base.java");
140 fail("-source 1.4", "-target 1.4", "Base.java");
141 fail("-source 1.3", "-target 1.3", "Base.java");
142 fail("-source 1.2", "-target 1.2", "Base.java");
143
144 if (failedCases > 0) {
145 System.err.println("failedCases = " + String.valueOf(failedCases));
146 throw new Error("Test failed");
147 }
148
149 }
150
151 protected void printargs(String fname,String... args) {
152 System.out.printf("test: %s", fname);
153 for (String onearg : args) {
154 System.out.printf(" %s", onearg);
155 }
156 System.out.printf("\n", fname);
157 }
158
159 protected void check_source_target(boolean dotOne, String... args) {
160 printargs("check_source_target", args);
161 check_target(dotOne, args[0], args[1], args[2]);
162 if (dotOne) {
163 check_target(dotOne, args[0], "1." + args[1], args[2]);
164 }
165 }
166
167 protected void check_target(boolean dotOne, String... args) {
168 check(args[0], "-source " + args[1], "-target " + args[2]);
169 if (dotOne) {
170 check(args[0], "-source " + args[1], "-target 1." + args[2]);
171 }
172 }
173
174 protected void check(String major, String... args) {
175 printargs("check", args);
176 List<String> jcargs = new ArrayList<>();
177 jcargs.add("-Xlint:-options");
178
179 // add in args conforming to List requrements of JavaCompiler
180 for (String onearg : args) {
181 String[] fields = onearg.split(" ");
182 for (String onefield : fields) {
183 jcargs.add(onefield);
184 }
185 }
186
187 boolean creturn = compile("Base.java", jcargs);
188 if (!creturn) {
189 // compilation errors note and return.. assume no class file
190 System.err.println("check: Compilation Failed");
191 System.err.println("\t classVersion:\t" + major);
192 System.err.println("\t arguments:\t" + jcargs);
193 failedCases++;
194
195 } else if (!checkClassFileVersion("Base.class", major)) {
196 failedCases++;
197 }
198 }
199
200 protected void checksrc16(String... args) {
201 printargs("checksrc16", args);
202 int asize = args.length;
203 String[] newargs = new String[asize + 1];
204 System.arraycopy(args, 0, newargs, 0, asize);
205 newargs[asize] = "Base.java";
206 pass(newargs);
207 newargs[asize] = "New17.java";
208 fail(newargs);
209 }
210
211 protected void checksrc17(String... args) {
212 printargs("checksrc17", args);
213 int asize = args.length;
214 String[] newargs = new String[asize+1];
215 System.arraycopy(args, 0, newargs,0 , asize);
216 newargs[asize] = "New17.java";
217 pass(newargs);
218 newargs[asize] = "New18.java";
219 fail(newargs);
220 }
221
222 protected void checksrc18(String... args) {
223 printargs("checksrc18", args);
224 int asize = args.length;
225 String[] newargs = new String[asize+1];
226 System.arraycopy(args, 0, newargs,0 , asize);
227 newargs[asize] = "New17.java";
228 pass(newargs);
229 newargs[asize] = "New18.java";
230 pass(newargs);
231 newargs[asize] = "New110.java";
232 fail(newargs);
233 }
234
235 protected void checksrc19(String... args) {
236 printargs("checksrc19", args);
237 checksrc18(args);
238 }
239
240 protected void checksrc110(String... args) {
241 printargs("checksrc110", args);
242 int asize = args.length;
243 String[] newargs = new String[asize+1];
244 System.arraycopy(args, 0, newargs,0 , asize);
245 newargs[asize] = "New17.java";
246 pass(newargs);
247 newargs[asize] = "New18.java";
248 pass(newargs);
249 newargs[asize] = "New110.java";
250 pass(newargs);
251 }
252
253 protected void checksrc111(String... args) {
254 printargs("checksrc111", args);
255 checksrc110(args);
256 }
257
258 protected void checksrc112(String... args) {
259 printargs("checksrc112", args);
260 checksrc111(args);
261 }
262
263 protected void pass(String... args) {
264 printargs("pass", args);
265
266 List<String> jcargs = new ArrayList<String>();
267 jcargs.add("-Xlint:-options");
268
269 // add in args conforming to List requrements of JavaCompiler
270 for (String onearg : args) {
271 String[] fields = onearg.split(" ");
272 for (String onefield : fields) {
273 jcargs.add(onefield);
274 }
275 }
276
277 // empty list is error
278 if (jcargs.isEmpty()) {
279 System.err.println("error: test error in pass() - No arguments");
280 System.err.println("\t arguments:\t" + jcargs);
281 failedCases++;
282 return;
283 }
284
285 // the last argument is the filename *.java
286 String filename = jcargs.get(jcargs.size() - 1);
287 jcargs.remove(jcargs.size() - 1);
288
289 boolean creturn = compile(filename, jcargs);
290 // expect a compilation failure, failure if otherwise
291 if (!creturn) {
292 System.err.println("pass: Compilation erroneously failed");
293 System.err.println("\t arguments:\t" + jcargs);
294 System.err.println("\t file :\t" + filename);
295 failedCases++;
296
297 }
298
299 }
300
301 protected void fail(String... args) {
302 printargs("fail", args);
303
304 List<String> jcargs = new ArrayList<String>();
305 jcargs.add("-Xlint:-options");
306
307 // add in args conforming to List requrements of JavaCompiler
308 for (String onearg : args) {
309 String[] fields = onearg.split(" ");
310 for (String onefield : fields) {
311 jcargs.add(onefield);
312 }
313 }
314
315 // empty list is error
316 if (jcargs.isEmpty()) {
317 System.err.println("error: test error in fail()- No arguments");
318 System.err.println("\t arguments:\t" + jcargs);
319 failedCases++;
320 return;
321 }
322
323 // the last argument is the filename *.java
324 String filename = jcargs.get(jcargs.size() - 1);
325 jcargs.remove(jcargs.size() - 1);
326
327 boolean creturn = compile(filename, jcargs);
328 // expect a compilation failure, failure if otherwise
329 if (creturn) {
330 System.err.println("fail: Compilation erroneously succeeded");
331 System.err.println("\t arguments:\t" + jcargs);
332 System.err.println("\t file :\t" + filename);
333 failedCases++;
334 }
335 }
336
337 protected boolean compile(String sourceFile, List<String>options) {
338 JavaCompiler.CompilationTask jctask;
339 try (StandardJavaFileManager fm = javacompiler.getStandardFileManager(null, null, null)) {
340 Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(sourceFile);
341
342 jctask = javacompiler.getTask(
343 null, // Writer
344 fm, // JavaFileManager
345 null, // DiagnosticListener
346 options, // Iterable<String>
347 null, // Iterable<String> classes
348 files); // Iterable<? extends JavaFileObject>
349
350 try {
351 return jctask.call();
352 } catch (IllegalStateException e) {
353 System.err.println(e);
354 return false;
355 }
356 } catch (IOException e) {
357 throw new Error(e);
358 }
359 }
360
361 protected void writeSourceFile(String fileName, String body) throws IOException{
362 try (Writer fw = new FileWriter(fileName)) {
363 fw.write(body);
364 }
365 }
366
367 protected void genSourceFiles() throws IOException{
368 /* Create a file that executes with all supported versions. */
369 writeSourceFile("Base.java","public class Base { }\n");
370
371 /*
372 * Create a file with a new feature in 1.7, not in 1.6 : "<>"
373 */
374 writeSourceFile("New17.java",
375 "import java.util.List;\n" +
376 "import java.util.ArrayList;\n" +
377 "class New17 { List<String> s = new ArrayList<>(); }\n"
378 );
379
380 /*
381 * Create a file with a new feature in 1.8, not in 1.7 : lambda
382 */
383 writeSourceFile("New18.java",
384 "public class New18 { \n" +
385 " void m() { \n" +
386 " new Thread(() -> { }); \n" +
387 " } \n" +
388 "} \n"
389 );
390
391 /*
392 * Create a file with a new feature in 1.10, not in 1.9 : var
393 */
394 writeSourceFile("New110.java",
395 "public class New110 { \n" +
396 " void m() { \n" +
397 " var tmp = new Thread(() -> { }); \n" +
398 " } \n" +
399 "} \n"
400 );
401
402 }
403
404 protected boolean checkClassFileVersion
405 (String filename,String classVersionNumber) {
406 ByteBuffer bb = ByteBuffer.allocate(1024);
407 try (FileChannel fc = new FileInputStream(filename).getChannel()) {
408 bb.clear();
409 if (fc.read(bb) < 0)
410 throw new IOException("Could not read from file : " + filename);
411 bb.flip();
412 int minor = bb.getShort(4);
413 int major = bb.getShort(6);
414 String fileVersion = major + "." + minor;
415 if (fileVersion.equals(classVersionNumber)) {
416 return true;
417 } else {
418 System.err.println("checkClassFileVersion : Failed");
419 System.err.println("\tclassfile version mismatch");
420 System.err.println("\texpected : " + classVersionNumber);
421 System.err.println("\tfound : " + fileVersion);
422 return false;
423 }
424 }
425 catch (IOException e) {
426 System.err.println("checkClassFileVersion : Failed");
427 System.err.println("\terror :\t" + e.getMessage());
428 System.err.println("\tfile:\tfilename");
429 }
430 return false;
431 }
432 }
433