Fri, 30 Oct 2009 10:55:00 -0700
Added tag jdk7-b75 for changeset 2485f5641ed0
jjg@46 | 1 | /* |
jjg@46 | 2 | * Copyright 2008 Sun Microsystems, Inc. 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 | * |
jjg@46 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
jjg@46 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
jjg@46 | 21 | * have any questions. |
jjg@46 | 22 | */ |
jjg@46 | 23 | |
jjg@46 | 24 | /* |
jjg@46 | 25 | * @test |
jjg@46 | 26 | * @bug 6271787 |
jjg@46 | 27 | * @summary javap dumps LocalVariableTypeTable attribute in hex, needs to print a table |
jjg@46 | 28 | */ |
jjg@46 | 29 | |
jjg@46 | 30 | import java.io.*; |
jjg@46 | 31 | |
jjg@46 | 32 | public class T6271787 { |
jjg@46 | 33 | public static void main(String[] args) throws Exception { |
jjg@46 | 34 | new T6271787().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 | |
jjg@46 | 41 | verify(classFile, |
jjg@46 | 42 | "LocalVariableTypeTable:", |
jjg@46 | 43 | "0 5 0 this LTest<TT;>;" // should consider decoding this in javap |
jjg@46 | 44 | ); |
jjg@46 | 45 | |
jjg@46 | 46 | if (errors > 0) |
jjg@46 | 47 | throw new Error(errors + " found."); |
jjg@46 | 48 | } |
jjg@46 | 49 | |
jjg@46 | 50 | File writeTestFile() throws IOException { |
jjg@46 | 51 | File f = new File("Test.java"); |
jjg@46 | 52 | PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); |
jjg@46 | 53 | out.println("class Test<T> { }"); |
jjg@46 | 54 | out.close(); |
jjg@46 | 55 | return f; |
jjg@46 | 56 | } |
jjg@46 | 57 | |
jjg@46 | 58 | File compileTestFile(File f) { |
jjg@46 | 59 | int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() }); |
jjg@46 | 60 | if (rc != 0) |
jjg@46 | 61 | throw new Error("compilation failed. rc=" + rc); |
jjg@46 | 62 | String path = f.getPath(); |
jjg@46 | 63 | return new File(path.substring(0, path.length() - 5) + ".class"); |
jjg@46 | 64 | } |
jjg@46 | 65 | |
jjg@46 | 66 | String javap(File f) { |
jjg@46 | 67 | StringWriter sw = new StringWriter(); |
jjg@46 | 68 | PrintWriter out = new PrintWriter(sw); |
jjg@46 | 69 | int rc = com.sun.tools.javap.Main.run(new String[] { "-v", f.getPath() }, out); |
jjg@46 | 70 | if (rc != 0) |
jjg@46 | 71 | throw new Error("javap failed. rc=" + rc); |
jjg@46 | 72 | out.close(); |
jjg@46 | 73 | return sw.toString(); |
jjg@46 | 74 | } |
jjg@46 | 75 | |
jjg@46 | 76 | void verify(File classFile, String... expects) { |
jjg@46 | 77 | String output = javap(classFile); |
jjg@46 | 78 | for (String expect: expects) { |
jjg@46 | 79 | if (output.indexOf(expect)< 0) |
jjg@46 | 80 | error(expect + " not found"); |
jjg@46 | 81 | } |
jjg@46 | 82 | } |
jjg@46 | 83 | |
jjg@46 | 84 | void error(String msg) { |
jjg@46 | 85 | System.err.println(msg); |
jjg@46 | 86 | errors++; |
jjg@46 | 87 | } |
jjg@46 | 88 | |
jjg@46 | 89 | int errors; |
jjg@46 | 90 | } |