1 /*
2 * Copyright (c) 2014, 2017, 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
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("55.0");
68 check("55.0", "-source 1.6");
69 check("55.0", "-source 1.7");
70 check("55.0", "-source 1.8");
71 check("55.0", "-source 1.9");
72 check("55.0", "-source 1.10");
73 check("55.0", "-source 11");
74
75 check_source_target(true, "50.0", "6", "6");
76 check_source_target(true, "51.0", "6", "7");
77 check_source_target(true, "51.0", "7", "7");
78 check_source_target(true, "52.0", "6", "8");
79 check_source_target(true, "52.0", "7", "8");
80 check_source_target(true, "52.0", "8", "8");
81 check_source_target(true, "53.0", "6", "9");
82 check_source_target(true, "53.0", "7", "9");
83 check_source_target(true, "53.0", "8", "9");
84 check_source_target(true, "53.0", "9", "9");
85 check_source_target(true, "54.0", "6", "10");
86 check_source_target(true, "54.0", "7", "10");
87 check_source_target(true, "54.0", "8", "10");
88 check_source_target(true, "54.0", "9", "10");
89 check_source_target(true, "54.0", "10", "10");
90 check_source_target(false, "55.0", "6", "11");
91 check_source_target(false, "55.0", "7", "11");
92 check_source_target(false, "55.0", "8", "11");
93 check_source_target(false, "55.0", "9", "11");
94 check_source_target(false, "55.0", "10", "11");
95 check_source_target(false, "55.0", "11", "11");
96
97 checksrc16("-source 1.6");
98 checksrc16("-source 6");
99 checksrc16("-source 1.6", "-target 1.6");
100 checksrc16("-source 6", "-target 6");
101 checksrc17("-source 1.7");
102 checksrc17("-source 7");
103 checksrc17("-source 1.7", "-target 1.7");
104 checksrc17("-source 7", "-target 7");
105 checksrc18("-source 1.8");
106 checksrc18("-source 8");
107 checksrc18("-source 1.8", "-target 1.8");
108 checksrc18("-source 8", "-target 8");
109 checksrc19("-source 1.9");
110 checksrc19("-source 9");
111 checksrc19("-source 1.9", "-target 1.9");
112 checksrc19("-source 9", "-target 9");
113 checksrc110();
114 checksrc110("-source 1.10");
115 checksrc110("-source 10");
116 checksrc110("-source 1.10", "-target 1.10");
117 checksrc110("-source 10", "-target 10");
118 checksrc111("-source 11");
119 checksrc111("-source 11", "-target 11");
120 checksrc111("-target 11");
121
122 fail("-source 7", "-target 1.6", "Base.java");
123 fail("-source 8", "-target 1.6", "Base.java");
124 fail("-source 8", "-target 1.7", "Base.java");
125 fail("-source 9", "-target 1.7", "Base.java");
126 fail("-source 9", "-target 1.8", "Base.java");
127 fail("-source 10", "-target 1.7", "Base.java");
128 fail("-source 10", "-target 1.8", "Base.java");
129 fail("-source 11", "-target 1.9", "Base.java");
130 fail("-source 11", "-target 1.10", "Base.java");
131
132 fail("-source 1.5", "-target 1.5", "Base.java");
133 fail("-source 1.4", "-target 1.4", "Base.java");
134 fail("-source 1.3", "-target 1.3", "Base.java");
135 fail("-source 1.2", "-target 1.2", "Base.java");
136
137 if (failedCases > 0) {
138 System.err.println("failedCases = " + String.valueOf(failedCases));
139 throw new Error("Test failed");
140 }
141
142 }
143
144 protected void printargs(String fname,String... args) {
145 System.out.printf("test: %s", fname);
146 for (String onearg : args) {
147 System.out.printf(" %s", onearg);
148 }
149 System.out.printf("\n", fname);
150 }
151
152 protected void check_source_target(boolean dotOne, String... args) {
153 printargs("check_source_target", args);
154 check_target(dotOne, args[0], args[1], args[2]);
155 if (dotOne) {
156 check_target(dotOne, args[0], "1." + args[1], args[2]);
157 }
158 }
159
160 protected void check_target(boolean dotOne, String... args) {
161 check(args[0], "-source " + args[1], "-target " + args[2]);
162 if (dotOne) {
163 check(args[0], "-source " + args[1], "-target 1." + args[2]);
164 }
165 }
166
167 protected void check(String major, String... args) {
168 printargs("check", args);
169 List<String> jcargs = new ArrayList<>();
170 jcargs.add("-Xlint:-options");
171
172 // add in args conforming to List requrements of JavaCompiler
173 for (String onearg : args) {
174 String[] fields = onearg.split(" ");
175 for (String onefield : fields) {
176 jcargs.add(onefield);
177 }
178 }
179
180 boolean creturn = compile("Base.java", jcargs);
181 if (!creturn) {
182 // compilation errors note and return.. assume no class file
183 System.err.println("check: Compilation Failed");
184 System.err.println("\t classVersion:\t" + major);
185 System.err.println("\t arguments:\t" + jcargs);
186 failedCases++;
187
188 } else if (!checkClassFileVersion("Base.class", major)) {
189 failedCases++;
190 }
191 }
192
193 protected void checksrc16(String... args) {
194 printargs("checksrc16", args);
195 int asize = args.length;
196 String[] newargs = new String[asize + 1];
197 System.arraycopy(args, 0, newargs, 0, asize);
198 newargs[asize] = "Base.java";
199 pass(newargs);
200 newargs[asize] = "New17.java";
201 fail(newargs);
202 }
203
204 protected void checksrc17(String... args) {
205 printargs("checksrc17", args);
206 int asize = args.length;
207 String[] newargs = new String[asize+1];
208 System.arraycopy(args, 0, newargs,0 , asize);
209 newargs[asize] = "New17.java";
210 pass(newargs);
211 newargs[asize] = "New18.java";
212 fail(newargs);
213 }
214
215 protected void checksrc18(String... args) {
216 printargs("checksrc18", args);
217 int asize = args.length;
218 String[] newargs = new String[asize+1];
219 System.arraycopy(args, 0, newargs,0 , asize);
220 newargs[asize] = "New17.java";
221 pass(newargs);
222 newargs[asize] = "New18.java";
223 pass(newargs);
224 newargs[asize] = "New110.java";
225 fail(newargs);
226 }
227
228 protected void checksrc19(String... args) {
229 printargs("checksrc19", args);
230 checksrc18(args);
231 }
232
233 protected void checksrc110(String... args) {
234 printargs("checksrc110", args);
235 int asize = args.length;
236 String[] newargs = new String[asize+1];
237 System.arraycopy(args, 0, newargs,0 , asize);
238 newargs[asize] = "New17.java";
239 pass(newargs);
240 newargs[asize] = "New18.java";
241 pass(newargs);
242 newargs[asize] = "New110.java";
243 pass(newargs);
244 }
245
246 protected void checksrc111(String... args) {
247 printargs("checksrc111", args);
248 checksrc110(args);
249 }
250
251 protected void pass(String... args) {
252 printargs("pass", args);
253
254 List<String> jcargs = new ArrayList<String>();
255 jcargs.add("-Xlint:-options");
256
257 // add in args conforming to List requrements of JavaCompiler
258 for (String onearg : args) {
259 String[] fields = onearg.split(" ");
260 for (String onefield : fields) {
261 jcargs.add(onefield);
262 }
263 }
264
265 // empty list is error
266 if (jcargs.isEmpty()) {
267 System.err.println("error: test error in pass() - No arguments");
268 System.err.println("\t arguments:\t" + jcargs);
269 failedCases++;
270 return;
271 }
272
273 // the last argument is the filename *.java
274 String filename = jcargs.get(jcargs.size() - 1);
275 jcargs.remove(jcargs.size() - 1);
276
277 boolean creturn = compile(filename, jcargs);
278 // expect a compilation failure, failure if otherwise
279 if (!creturn) {
280 System.err.println("pass: Compilation erroneously failed");
281 System.err.println("\t arguments:\t" + jcargs);
282 System.err.println("\t file :\t" + filename);
283 failedCases++;
284
285 }
286
287 }
288
289 protected void fail(String... args) {
290 printargs("fail", args);
291
292 List<String> jcargs = new ArrayList<String>();
293 jcargs.add("-Xlint:-options");
294
295 // add in args conforming to List requrements of JavaCompiler
296 for (String onearg : args) {
297 String[] fields = onearg.split(" ");
298 for (String onefield : fields) {
299 jcargs.add(onefield);
300 }
301 }
302
303 // empty list is error
304 if (jcargs.isEmpty()) {
305 System.err.println("error: test error in fail()- No arguments");
306 System.err.println("\t arguments:\t" + jcargs);
307 failedCases++;
308 return;
309 }
310
311 // the last argument is the filename *.java
312 String filename = jcargs.get(jcargs.size() - 1);
313 jcargs.remove(jcargs.size() - 1);
314
315 boolean creturn = compile(filename, jcargs);
316 // expect a compilation failure, failure if otherwise
317 if (creturn) {
318 System.err.println("fail: Compilation erroneously succeeded");
319 System.err.println("\t arguments:\t" + jcargs);
320 System.err.println("\t file :\t" + filename);
321 failedCases++;
322 }
323 }
324
325 protected boolean compile(String sourceFile, List<String>options) {
326 JavaCompiler.CompilationTask jctask;
327 try (StandardJavaFileManager fm = javacompiler.getStandardFileManager(null, null, null)) {
328 Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(sourceFile);
329
330 jctask = javacompiler.getTask(
331 null, // Writer
332 fm, // JavaFileManager
333 null, // DiagnosticListener
334 options, // Iterable<String>
335 null, // Iterable<String> classes
336 files); // Iterable<? extends JavaFileObject>
337
338 try {
339 return jctask.call();
340 } catch (IllegalStateException e) {
341 System.err.println(e);
342 return false;
343 }
344 } catch (IOException e) {
345 throw new Error(e);
346 }
347 }
348
349 protected void writeSourceFile(String fileName, String body) throws IOException{
350 try (Writer fw = new FileWriter(fileName)) {
351 fw.write(body);
352 }
353 }
354
355 protected void genSourceFiles() throws IOException{
356 /* Create a file that executes with all supported versions. */
357 writeSourceFile("Base.java","public class Base { }\n");
358
359 /*
360 * Create a file with a new feature in 1.7, not in 1.6 : "<>"
361 */
362 writeSourceFile("New17.java",
363 "import java.util.List;\n" +
364 "import java.util.ArrayList;\n" +
365 "class New17 { List<String> s = new ArrayList<>(); }\n"
366 );
367
368 /*
369 * Create a file with a new feature in 1.8, not in 1.7 : lambda
370 */
371 writeSourceFile("New18.java",
372 "public class New18 { \n" +
373 " void m() { \n" +
374 " new Thread(() -> { }); \n" +
375 " } \n" +
376 "} \n"
377 );
378
379 /*
380 * Create a file with a new feature in 1.10, not in 1.9 : var
381 */
382 writeSourceFile("New110.java",
383 "public class New110 { \n" +
384 " void m() { \n" +
385 " var tmp = new Thread(() -> { }); \n" +
386 " } \n" +
387 "} \n"
388 );
389
390 }
391
392 protected boolean checkClassFileVersion
393 (String filename,String classVersionNumber) {
394 ByteBuffer bb = ByteBuffer.allocate(1024);
395 try (FileChannel fc = new FileInputStream(filename).getChannel()) {
396 bb.clear();
397 if (fc.read(bb) < 0)
398 throw new IOException("Could not read from file : " + filename);
399 bb.flip();
400 int minor = bb.getShort(4);
401 int major = bb.getShort(6);
402 String fileVersion = major + "." + minor;
403 if (fileVersion.equals(classVersionNumber)) {
404 return true;
405 } else {
406 System.err.println("checkClassFileVersion : Failed");
407 System.err.println("\tclassfile version mismatch");
408 System.err.println("\texpected : " + classVersionNumber);
409 System.err.println("\tfound : " + fileVersion);
410 return false;
411 }
412 }
413 catch (IOException e) {
414 System.err.println("checkClassFileVersion : Failed");
415 System.err.println("\terror :\t" + e.getMessage());
416 System.err.println("\tfile:\tfilename");
417 }
418 return false;
419 }
420 }
421