Mon, 03 Oct 2016 11:21:14 -0700
Added tag jdk8u122-b02 for changeset 2baeb96fa198
jjg@46 | 1 | /* |
ohair@554 | 2 | * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. |
jjg@46 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
jjg@46 | 4 | * |
jjg@46 | 5 | * This code is free software; you can redistribute it and/or modify it |
jjg@46 | 6 | * under the terms of the GNU General Public License version 2 only, as |
jjg@46 | 7 | * published by the Free Software Foundation. |
jjg@46 | 8 | * |
jjg@46 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
jjg@46 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
jjg@46 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
jjg@46 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
jjg@46 | 13 | * accompanied this code). |
jjg@46 | 14 | * |
jjg@46 | 15 | * You should have received a copy of the GNU General Public License version |
jjg@46 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
jjg@46 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
jjg@46 | 18 | * |
ohair@554 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@554 | 20 | * or visit www.oracle.com if you need additional information or have any |
ohair@554 | 21 | * questions. |
jjg@46 | 22 | */ |
jjg@46 | 23 | |
jjg@46 | 24 | /* |
jjg@46 | 25 | * @test |
jjg@46 | 26 | * @bug 4459541 |
jjg@46 | 27 | * @summary "javap -l" shows line numbers as signed short; they should be unsigned. |
jjg@46 | 28 | */ |
jjg@46 | 29 | |
jjg@46 | 30 | import java.io.*; |
jjg@46 | 31 | |
jjg@46 | 32 | public class T4459541 { |
jjg@46 | 33 | public static void main(String[] args) throws Exception { |
jjg@46 | 34 | new T4459541().run(); |
jjg@46 | 35 | } |
jjg@46 | 36 | |
jjg@46 | 37 | public void run() throws IOException { |
jjg@46 | 38 | File javaFile = writeTestFile(); |
jjg@46 | 39 | File classFile = compileTestFile(javaFile); |
jjg@46 | 40 | String output = javap(classFile); |
jjg@46 | 41 | verify(output); |
jjg@46 | 42 | } |
jjg@46 | 43 | |
jjg@46 | 44 | File writeTestFile() throws IOException { |
jjg@46 | 45 | File f = new File("Test.java"); |
jjg@46 | 46 | out = new PrintWriter(new BufferedWriter(new FileWriter(f))); |
jjg@46 | 47 | println("class Test {"); |
jjg@46 | 48 | println("void begin(int i) {"); |
jjg@46 | 49 | println("i++;"); |
jjg@46 | 50 | println("i++;"); |
jjg@46 | 51 | println("}"); |
jjg@46 | 52 | while (line < 32750) |
jjg@46 | 53 | println("// " + line); |
jjg@46 | 54 | println("void before_32767(int i) {"); |
jjg@46 | 55 | println("i++;"); |
jjg@46 | 56 | println("i++;"); |
jjg@46 | 57 | println("}"); |
jjg@46 | 58 | while (line < 32768-4) |
jjg@46 | 59 | println("// " + line); |
jjg@46 | 60 | println("void straddle_32768(int i) {"); |
jjg@46 | 61 | while (line < 32768+4) |
jjg@46 | 62 | println("i++;"); |
jjg@46 | 63 | println("}"); |
jjg@46 | 64 | while (line < 65520) |
jjg@46 | 65 | println("// " + line); |
jjg@46 | 66 | println("void between_32768_and_65536(int i) {"); |
jjg@46 | 67 | println("i++;"); |
jjg@46 | 68 | println("i++;"); |
jjg@46 | 69 | println("}"); |
jjg@46 | 70 | while (line < 65536-4) |
jjg@46 | 71 | println("// " + line); |
jjg@46 | 72 | println("void straddle_65536(int i) {"); |
jjg@46 | 73 | while (line < 65536+4) |
jjg@46 | 74 | println("i++;"); |
jjg@46 | 75 | println("}"); |
jjg@46 | 76 | println("}"); |
jjg@46 | 77 | out.close(); |
jjg@46 | 78 | return f; |
jjg@46 | 79 | } |
jjg@46 | 80 | |
jjg@46 | 81 | File compileTestFile(File f) { |
jjg@46 | 82 | int rc = com.sun.tools.javac.Main.compile(new String[] { f.getPath() }); |
jjg@46 | 83 | if (rc != 0) |
jjg@46 | 84 | throw new Error("compilation failed. rc=" + rc); |
jjg@46 | 85 | String path = f.getPath(); |
jjg@46 | 86 | return new File(path.substring(0, path.length() - 5) + ".class"); |
jjg@46 | 87 | } |
jjg@46 | 88 | |
jjg@46 | 89 | String javap(File f) { |
jjg@46 | 90 | StringWriter sw = new StringWriter(); |
jjg@46 | 91 | PrintWriter out = new PrintWriter(sw); |
jjg@46 | 92 | int rc = com.sun.tools.javap.Main.run(new String[] { "-l", f.getPath() }, out); |
jjg@46 | 93 | if (rc != 0) |
jjg@46 | 94 | throw new Error("javap failed. rc=" + rc); |
jjg@46 | 95 | out.close(); |
jjg@46 | 96 | return sw.toString(); |
jjg@46 | 97 | } |
jjg@46 | 98 | |
jjg@46 | 99 | void verify(String output) { |
jjg@46 | 100 | System.out.println(output); |
jjg@46 | 101 | if (output.indexOf("-") >= 0) |
jjg@46 | 102 | throw new Error("- found in output"); |
jjg@46 | 103 | } |
jjg@46 | 104 | |
jjg@46 | 105 | void println(String text) { |
jjg@46 | 106 | out.println(text); |
jjg@46 | 107 | line++; |
jjg@46 | 108 | } |
jjg@46 | 109 | |
jjg@46 | 110 | PrintWriter out; |
jjg@46 | 111 | int line = 1; |
jjg@46 | 112 | } |