Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javap/T4459541.java
test/tools/javap/T4459541.java
- changeset 46
- 7708bd6d800d
- child 554
- 9d9f26857129
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| 42:f7e64b33d5a4 | 46:7708bd6d800d |
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| 1 /* | |
| 2 * Copyright 2008 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 /* | |
| 25 * @test | |
| 26 * @bug 4459541 | |
| 27 * @summary "javap -l" shows line numbers as signed short; they should be unsigned. | |
| 28 */ | |
| 29 | |
| 30 import java.io.*; | |
| 31 | |
| 32 public class T4459541 { | |
| 33 public static void main(String[] args) throws Exception { | |
| 34 new T4459541().run(); | |
| 35 } | |
| 36 | |
| 37 public void run() throws IOException { | |
| 38 File javaFile = writeTestFile(); | |
| 39 File classFile = compileTestFile(javaFile); | |
| 40 String output = javap(classFile); | |
| 41 verify(output); | |
| 42 } | |
| 43 | |
| 44 File writeTestFile() throws IOException { | |
| 45 File f = new File("Test.java"); | |
| 46 out = new PrintWriter(new BufferedWriter(new FileWriter(f))); | |
| 47 println("class Test {"); | |
| 48 println("void begin(int i) {"); | |
| 49 println("i++;"); | |
| 50 println("i++;"); | |
| 51 println("}"); | |
| 52 while (line < 32750) | |
| 53 println("// " + line); | |
| 54 println("void before_32767(int i) {"); | |
| 55 println("i++;"); | |
| 56 println("i++;"); | |
| 57 println("}"); | |
| 58 while (line < 32768-4) | |
| 59 println("// " + line); | |
| 60 println("void straddle_32768(int i) {"); | |
| 61 while (line < 32768+4) | |
| 62 println("i++;"); | |
| 63 println("}"); | |
| 64 while (line < 65520) | |
| 65 println("// " + line); | |
| 66 println("void between_32768_and_65536(int i) {"); | |
| 67 println("i++;"); | |
| 68 println("i++;"); | |
| 69 println("}"); | |
| 70 while (line < 65536-4) | |
| 71 println("// " + line); | |
| 72 println("void straddle_65536(int i) {"); | |
| 73 while (line < 65536+4) | |
| 74 println("i++;"); | |
| 75 println("}"); | |
| 76 println("}"); | |
| 77 out.close(); | |
| 78 return f; | |
| 79 } | |
| 80 | |
| 81 File compileTestFile(File f) { | |
| 82 int rc = com.sun.tools.javac.Main.compile(new String[] { f.getPath() }); | |
| 83 if (rc != 0) | |
| 84 throw new Error("compilation failed. rc=" + rc); | |
| 85 String path = f.getPath(); | |
| 86 return new File(path.substring(0, path.length() - 5) + ".class"); | |
| 87 } | |
| 88 | |
| 89 String javap(File f) { | |
| 90 StringWriter sw = new StringWriter(); | |
| 91 PrintWriter out = new PrintWriter(sw); | |
| 92 int rc = com.sun.tools.javap.Main.run(new String[] { "-l", f.getPath() }, out); | |
| 93 if (rc != 0) | |
| 94 throw new Error("javap failed. rc=" + rc); | |
| 95 out.close(); | |
| 96 return sw.toString(); | |
| 97 } | |
| 98 | |
| 99 void verify(String output) { | |
| 100 System.out.println(output); | |
| 101 if (output.indexOf("-") >= 0) | |
| 102 throw new Error("- found in output"); | |
| 103 } | |
| 104 | |
| 105 void println(String text) { | |
| 106 out.println(text); | |
| 107 line++; | |
| 108 } | |
| 109 | |
| 110 PrintWriter out; | |
| 111 int line = 1; | |
| 112 } |
