Fri, 24 Apr 2020 03:58:51 +0100
Merge
aoqi@0 | 1 | /* |
shshahma@3371 | 2 | * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /* |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 7008643 |
aoqi@0 | 27 | * @summary inlined finally clauses confuse debuggers |
aoqi@0 | 28 | * @library /tools/javac/lib |
aoqi@0 | 29 | * @build ToolBox |
aoqi@0 | 30 | * @run main InlinedFinallyConfuseDebuggersTest |
aoqi@0 | 31 | */ |
aoqi@0 | 32 | |
aoqi@0 | 33 | import java.io.File; |
aoqi@0 | 34 | import java.nio.file.Paths; |
aoqi@0 | 35 | |
aoqi@0 | 36 | import com.sun.tools.classfile.ClassFile; |
aoqi@0 | 37 | import com.sun.tools.classfile.Code_attribute; |
aoqi@0 | 38 | import com.sun.tools.classfile.LineNumberTable_attribute; |
aoqi@0 | 39 | import com.sun.tools.classfile.Method; |
aoqi@0 | 40 | import com.sun.tools.javac.util.Assert; |
aoqi@0 | 41 | |
aoqi@0 | 42 | public class InlinedFinallyConfuseDebuggersTest { |
aoqi@0 | 43 | |
aoqi@0 | 44 | static final String testSource = |
aoqi@0 | 45 | /* 01 */ "public class InlinedFinallyTest {\n" + |
aoqi@0 | 46 | /* 02 */ " void lookForThisMethod(int value) {\n" + |
aoqi@0 | 47 | /* 03 */ " try {\n" + |
aoqi@0 | 48 | /* 04 */ " if (value > 0) {\n" + |
aoqi@0 | 49 | /* 05 */ " System.out.println(\"if\");\n" + |
aoqi@0 | 50 | /* 06 */ " return;\n" + |
aoqi@0 | 51 | /* 07 */ " }\n" + |
aoqi@0 | 52 | /* 08 */ " } finally {\n" + |
aoqi@0 | 53 | /* 09 */ " System.out.println(\"finally\");\n" + |
aoqi@0 | 54 | /* 10 */ " }\n" + |
aoqi@0 | 55 | /* 11 */ " }\n" + |
aoqi@0 | 56 | /* 12 */ "}"; |
aoqi@0 | 57 | |
aoqi@0 | 58 | static final int[][] expectedLNT = { |
aoqi@0 | 59 | // {line-number, start-pc}, |
aoqi@0 | 60 | {4, 0}, //if (value > 0) { |
aoqi@0 | 61 | {5, 4}, // System.out.println("if"); |
aoqi@0 | 62 | {9, 12}, //System.out.println("finally"); |
aoqi@0 | 63 | {6, 20}, // return; |
aoqi@0 | 64 | {9, 21}, //System.out.println("finally"); |
aoqi@0 | 65 | {10, 29}, |
aoqi@0 | 66 | {9, 32}, //System.out.println("finally"); |
shshahma@3371 | 67 | {10, 41}, //} |
aoqi@0 | 68 | {11, 43}, |
aoqi@0 | 69 | }; |
aoqi@0 | 70 | |
aoqi@0 | 71 | static final String methodToLookFor = "lookForThisMethod"; |
aoqi@0 | 72 | |
aoqi@0 | 73 | public static void main(String[] args) throws Exception { |
aoqi@0 | 74 | new InlinedFinallyConfuseDebuggersTest().run(); |
aoqi@0 | 75 | } |
aoqi@0 | 76 | |
aoqi@0 | 77 | void run() throws Exception { |
aoqi@0 | 78 | compileTestClass(); |
aoqi@0 | 79 | checkClassFile(new File(Paths.get(System.getProperty("user.dir"), |
aoqi@0 | 80 | "InlinedFinallyTest.class").toUri()), methodToLookFor); |
aoqi@0 | 81 | } |
aoqi@0 | 82 | |
aoqi@0 | 83 | void compileTestClass() throws Exception { |
aoqi@0 | 84 | ToolBox.JavaToolArgs javacSuccessArgs = |
aoqi@0 | 85 | new ToolBox.JavaToolArgs().setSources(testSource); |
aoqi@0 | 86 | ToolBox.javac(javacSuccessArgs); |
aoqi@0 | 87 | } |
aoqi@0 | 88 | |
aoqi@0 | 89 | void checkClassFile(final File cfile, String methodToFind) throws Exception { |
aoqi@0 | 90 | ClassFile classFile = ClassFile.read(cfile); |
aoqi@0 | 91 | boolean methodFound = false; |
aoqi@0 | 92 | for (Method method : classFile.methods) { |
aoqi@0 | 93 | if (method.getName(classFile.constant_pool).equals(methodToFind)) { |
aoqi@0 | 94 | methodFound = true; |
aoqi@0 | 95 | Code_attribute code = (Code_attribute) method.attributes.get("Code"); |
aoqi@0 | 96 | LineNumberTable_attribute lnt = |
aoqi@0 | 97 | (LineNumberTable_attribute) code.attributes.get("LineNumberTable"); |
aoqi@0 | 98 | Assert.check(lnt.line_number_table_length == expectedLNT.length, |
aoqi@0 | 99 | "The LineNumberTable found has a length different to the expected one"); |
aoqi@0 | 100 | int i = 0; |
aoqi@0 | 101 | for (LineNumberTable_attribute.Entry entry: lnt.line_number_table) { |
aoqi@0 | 102 | Assert.check(entry.line_number == expectedLNT[i][0] && |
aoqi@0 | 103 | entry.start_pc == expectedLNT[i][1], |
aoqi@0 | 104 | "LNT entry at pos " + i + " differ from expected." + |
aoqi@0 | 105 | "Found " + entry.line_number + ":" + entry.start_pc + |
aoqi@0 | 106 | ". Expected " + expectedLNT[i][0] + ":" + expectedLNT[i][1]); |
aoqi@0 | 107 | i++; |
aoqi@0 | 108 | } |
aoqi@0 | 109 | } |
aoqi@0 | 110 | } |
aoqi@0 | 111 | Assert.check(methodFound, "The seek method was not found"); |
aoqi@0 | 112 | } |
aoqi@0 | 113 | |
aoqi@0 | 114 | void error(String msg) { |
aoqi@0 | 115 | throw new AssertionError(msg); |
aoqi@0 | 116 | } |
aoqi@0 | 117 | |
aoqi@0 | 118 | } |