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