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