Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javap/T6271787.java
test/tools/javap/T6271787.java
- changeset 0
- 959103a6100f
- child 2525
- 2eb010b6cb22
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| -1:000000000000 | 0:959103a6100f |
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| 1 /* | |
| 2 * Copyright (c) 2008, 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 6271787 | |
| 27 * @summary javap dumps LocalVariableTypeTable attribute in hex, needs to print a table | |
| 28 */ | |
| 29 | |
| 30 import java.io.*; | |
| 31 | |
| 32 public class T6271787 { | |
| 33 public static void main(String[] args) throws Exception { | |
| 34 new T6271787().run(); | |
| 35 } | |
| 36 | |
| 37 public void run() throws IOException { | |
| 38 File javaFile = writeTestFile(); | |
| 39 File classFile = compileTestFile(javaFile); | |
| 40 | |
| 41 verify(classFile, | |
| 42 "LocalVariableTypeTable:", | |
| 43 "0 5 0 this LTest<TT;>;" // should consider decoding this in javap | |
| 44 ); | |
| 45 | |
| 46 if (errors > 0) | |
| 47 throw new Error(errors + " found."); | |
| 48 } | |
| 49 | |
| 50 File writeTestFile() throws IOException { | |
| 51 File f = new File("Test.java"); | |
| 52 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); | |
| 53 out.println("class Test<T> { }"); | |
| 54 out.close(); | |
| 55 return f; | |
| 56 } | |
| 57 | |
| 58 File compileTestFile(File f) { | |
| 59 int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() }); | |
| 60 if (rc != 0) | |
| 61 throw new Error("compilation failed. rc=" + rc); | |
| 62 String path = f.getPath(); | |
| 63 return new File(path.substring(0, path.length() - 5) + ".class"); | |
| 64 } | |
| 65 | |
| 66 String javap(File f) { | |
| 67 StringWriter sw = new StringWriter(); | |
| 68 PrintWriter out = new PrintWriter(sw); | |
| 69 int rc = com.sun.tools.javap.Main.run(new String[] { "-v", f.getPath() }, out); | |
| 70 if (rc != 0) | |
| 71 throw new Error("javap failed. rc=" + rc); | |
| 72 out.close(); | |
| 73 return sw.toString(); | |
| 74 } | |
| 75 | |
| 76 void verify(File classFile, String... expects) { | |
| 77 String output = javap(classFile); | |
| 78 for (String expect: expects) { | |
| 79 if (output.indexOf(expect)< 0) | |
| 80 error(expect + " not found"); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 void error(String msg) { | |
| 85 System.err.println(msg); | |
| 86 errors++; | |
| 87 } | |
| 88 | |
| 89 int errors; | |
| 90 } |
