Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/6902720/Test.java
test/tools/javac/6902720/Test.java
- changeset 439
- b1bb8164a9bd
- child 554
- 9d9f26857129
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| 438:2ebae181a4ab | 439:b1bb8164a9bd |
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| 1 /* | |
| 2 * Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 */ | |
| 23 | |
| 24 import java.io.*; | |
| 25 import java.net.*; | |
| 26 import javax.tools.*; | |
| 27 import java.util.*; | |
| 28 | |
| 29 import com.sun.source.tree.CompilationUnitTree; | |
| 30 import com.sun.source.util.JavacTask; | |
| 31 import com.sun.tools.javac.api.JavacTool; | |
| 32 import com.sun.tools.javac.tree.JCTree; | |
| 33 import com.sun.tools.javac.tree.Pretty; | |
| 34 | |
| 35 /** | |
| 36 * @test | |
| 37 * @bug 6902720 | |
| 38 * @summary javac pretty printer does not handle enums correctly | |
| 39 */ | |
| 40 | |
| 41 public class Test { | |
| 42 | |
| 43 public static void main(String[] args) throws Exception { | |
| 44 Test t = new Test(); | |
| 45 t.run("E1.java", "E2.java"); | |
| 46 } | |
| 47 | |
| 48 void run(String... args) throws Exception { | |
| 49 File testSrcDir = new File(System.getProperty("test.src")); | |
| 50 for (String arg: args) { | |
| 51 test(new File(testSrcDir, arg)); | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 void test(File test) throws Exception { | |
| 56 JavacTool tool1 = JavacTool.create(); | |
| 57 StandardJavaFileManager fm = tool1.getStandardFileManager(null, null, null); | |
| 58 Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(test); | |
| 59 | |
| 60 // parse test file into a tree, and write it out to a stringbuffer using Pretty | |
| 61 JavacTask t1 = tool1.getTask(null, fm, null, null, null, files); | |
| 62 StringWriter sw = new StringWriter(); | |
| 63 PrintWriter pw = new PrintWriter(sw); | |
| 64 Iterable<? extends CompilationUnitTree> trees = t1.parse(); | |
| 65 for (CompilationUnitTree tree: trees) { | |
| 66 new Pretty(pw, true).printExpr((JCTree) tree); | |
| 67 } | |
| 68 pw.close(); | |
| 69 | |
| 70 final String out = sw.toString(); | |
| 71 System.err.println("generated code:\n" + out + "\n"); | |
| 72 | |
| 73 // verify the generated code is valid Java by compiling it | |
| 74 JavacTool tool2 = JavacTool.create(); | |
| 75 JavaFileObject fo = new SimpleJavaFileObject(URI.create("output"), JavaFileObject.Kind.SOURCE) { | |
| 76 @Override | |
| 77 public CharSequence getCharContent(boolean ignoreEncodingErrors) { | |
| 78 return out; | |
| 79 } | |
| 80 }; | |
| 81 JavacTask t2 = tool2.getTask(null, fm, null, null, null, Collections.singleton(fo)); | |
| 82 boolean ok = t2.call(); | |
| 83 if (!ok) | |
| 84 throw new Exception("compilation of generated code failed"); | |
| 85 | |
| 86 File expectedClass = new File(test.getName().replace(".java", ".class")); | |
| 87 if (!expectedClass.exists()) | |
| 88 throw new Exception(expectedClass + " not found"); | |
| 89 } | |
| 90 } | |
| 91 |
