Thu, 30 Jul 2009 07:48:24 -0700
6866657: add byteLength method to primary classfile types
Reviewed-by: mchung
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@65 | 26 | * @bug 4870651 6715757 |
jjg@65 | 27 | * @summary javap should recognize generics, varargs, enum; |
jjg@65 | 28 | * javap prints "extends java.lang.Object" |
jjg@46 | 29 | * @build T4870651 Test |
jjg@46 | 30 | * @run main T4870651 |
jjg@46 | 31 | */ |
jjg@46 | 32 | |
jjg@46 | 33 | import java.io.*; |
jjg@46 | 34 | |
jjg@46 | 35 | public class T4870651 { |
jjg@46 | 36 | public static void main(String[] args) throws Exception { |
jjg@46 | 37 | new T4870651().run(); |
jjg@46 | 38 | } |
jjg@46 | 39 | |
jjg@46 | 40 | public void run() throws IOException { |
jjg@46 | 41 | verify("Test", |
jjg@65 | 42 | "class Test<T extends java.lang.Object, " + |
jjg@65 | 43 | "E extends java.lang.Exception & java.lang.Comparable<T>, " + |
jjg@65 | 44 | "U extends java.lang.Comparable>", |
jjg@46 | 45 | "v1(java.lang.String...)"); |
jjg@46 | 46 | |
jjg@46 | 47 | verify("Test$Enum", |
jjg@46 | 48 | "flags: ACC_FINAL, ACC_SUPER, ACC_ENUM", |
jjg@46 | 49 | "flags: ACC_PUBLIC, ACC_STATIC, ACC_FINAL, ACC_ENUM"); |
jjg@46 | 50 | |
jjg@46 | 51 | if (errors > 0) |
jjg@46 | 52 | throw new Error(errors + " found."); |
jjg@46 | 53 | } |
jjg@46 | 54 | |
jjg@46 | 55 | String javap(String className) { |
jjg@46 | 56 | String testClasses = System.getProperty("test.classes", "."); |
jjg@46 | 57 | StringWriter sw = new StringWriter(); |
jjg@46 | 58 | PrintWriter out = new PrintWriter(sw); |
jjg@46 | 59 | String[] args = { "-classpath", testClasses, "-v", className }; |
jjg@46 | 60 | int rc = com.sun.tools.javap.Main.run(args, out); |
jjg@46 | 61 | if (rc != 0) |
jjg@46 | 62 | throw new Error("javap failed. rc=" + rc); |
jjg@46 | 63 | out.close(); |
jjg@46 | 64 | String output = sw.toString(); |
jjg@46 | 65 | System.out.println("class " + className); |
jjg@46 | 66 | System.out.println(output); |
jjg@46 | 67 | return output; |
jjg@46 | 68 | } |
jjg@46 | 69 | |
jjg@46 | 70 | void verify(String className, String... expects) { |
jjg@46 | 71 | String output = javap(className); |
jjg@46 | 72 | for (String expect: expects) { |
jjg@46 | 73 | if (output.indexOf(expect)< 0) |
jjg@46 | 74 | error(expect + " not found"); |
jjg@46 | 75 | } |
jjg@46 | 76 | } |
jjg@46 | 77 | |
jjg@46 | 78 | void error(String msg) { |
jjg@46 | 79 | System.err.println(msg); |
jjg@46 | 80 | errors++; |
jjg@46 | 81 | } |
jjg@46 | 82 | |
jjg@46 | 83 | int errors; |
jjg@46 | 84 | } |