| /******************************************************************************* |
| * Copyright (c) 2007, 2012 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.core.tests.compiler.regression; |
| |
| import java.io.File; |
| |
| import junit.framework.Test; |
| |
| import org.eclipse.jdt.core.ToolFactory; |
| import org.eclipse.jdt.core.tests.util.Util; |
| import org.eclipse.jdt.core.util.ClassFileBytesDisassembler; |
| |
| public class LineNumberAttributeTest extends AbstractRegressionTest { |
| |
| public LineNumberAttributeTest(String name) { |
| super(name); |
| } |
| public static Test suite() { |
| return buildAllCompliancesTestSuite(testClass()); |
| } |
| |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=173800 |
| public void test001() throws Exception { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " X next;\n" + |
| "\n" + |
| " X(X next) {\n" + |
| " this.next = next;\n" + |
| " }\n" + |
| "\n" + |
| " public static void main(String args[]) {\n" + |
| " try {\n" + |
| " X x = new X(new X(new X(null)));\n" + |
| " x.\n" + |
| " next.\n" + |
| " next.\n" + |
| " next.\n" + |
| " next.\n" + |
| " next.\n" + |
| " toString();\n" + |
| " } catch(NullPointerException e) {\n" + |
| " System.out.println(\"SUCCESS\");\n" + |
| " }\n" + |
| " }\n" + |
| "}", |
| }, |
| "SUCCESS"); |
| |
| ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler(); |
| byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(new File(OUTPUT_DIR + File.separator +"X.class")); |
| String actualOutput = |
| disassembler.disassemble( |
| classFileBytes, |
| "\n", |
| ClassFileBytesDisassembler.DETAILED); |
| |
| String expectedOutput = |
| " // Method descriptor #19 ([Ljava/lang/String;)V\n" + |
| " // Stack: 7, Locals: 2\n" + |
| " public static void main(java.lang.String[] args);\n" + |
| " 0 new X [1]\n" + |
| " 3 dup\n" + |
| " 4 new X [1]\n" + |
| " 7 dup\n" + |
| " 8 new X [1]\n" + |
| " 11 dup\n" + |
| " 12 aconst_null\n" + |
| " 13 invokespecial X(X) [20]\n" + |
| " 16 invokespecial X(X) [20]\n" + |
| " 19 invokespecial X(X) [20]\n" + |
| " 22 astore_1 [x]\n" + |
| " 23 aload_1 [x]\n" + |
| " 24 getfield X.next : X [13]\n" + |
| " 27 getfield X.next : X [13]\n" + |
| " 30 getfield X.next : X [13]\n" + |
| " 33 getfield X.next : X [13]\n" + |
| " 36 getfield X.next : X [13]\n" + |
| " 39 invokevirtual java.lang.Object.toString() : java.lang.String [22]\n" + |
| " 42 pop\n" + |
| " 43 goto 55\n" + |
| " 46 astore_1 [e]\n" + |
| " 47 getstatic java.lang.System.out : java.io.PrintStream [26]\n" + |
| " 50 ldc <String \"SUCCESS\"> [32]\n" + |
| " 52 invokevirtual java.io.PrintStream.println(java.lang.String) : void [34]\n" + |
| " 55 return\n" + |
| " Exception Table:\n" + |
| " [pc: 0, pc: 43] -> 46 when : java.lang.NullPointerException\n" + |
| " Line numbers:\n" + |
| " [pc: 0, line: 10]\n" + |
| " [pc: 23, line: 11]\n" + |
| " [pc: 24, line: 12]\n" + |
| " [pc: 27, line: 13]\n" + |
| " [pc: 30, line: 14]\n" + |
| " [pc: 33, line: 15]\n" + |
| " [pc: 36, line: 16]\n" + |
| " [pc: 39, line: 17]\n" + |
| " [pc: 43, line: 18]\n" + |
| " [pc: 47, line: 19]\n" + |
| " [pc: 55, line: 21]\n" + |
| " Local variable table:\n" + |
| " [pc: 0, pc: 56] local: args index: 0 type: java.lang.String[]\n" + |
| " [pc: 23, pc: 43] local: x index: 1 type: X\n" + |
| " [pc: 47, pc: 55] local: e index: 1 type: java.lang.NullPointerException\n"; |
| int index = actualOutput.indexOf(expectedOutput); |
| if (index == -1 || expectedOutput.length() == 0) { |
| System.out.println(Util.displayString(actualOutput, 2)); |
| } |
| if (index == -1) { |
| assertEquals("Wrong contents", expectedOutput, actualOutput); |
| } |
| } |
| //https://bugs.eclipse.org/bugs/show_bug.cgi?id=173800 |
| public void test002() throws Exception { |
| this.runConformTest( |
| new String[] { |
| "X.java", |
| "public class X {\n" + |
| " X x;\n" + |
| "\n" + |
| " X next;\n" + |
| "\n" + |
| " X(X next) {\n" + |
| " this.next = next;\n" + |
| " }\n" + |
| "\n" + |
| " public static void main(String args[]) {\n" + |
| " X x = new X(new X(new X(null)));\n" + |
| " x.x = x;\n" + |
| " x.foo();\n" + |
| " }\n" + |
| "\n" + |
| " public void foo() {\n" + |
| " try {\n" + |
| " this.\n" + |
| " x.\n" + |
| " next.\n" + |
| " next.\n" + |
| " next.\n" + |
| " next.\n" + |
| " next.\n" + |
| " toString();\n" + |
| " } catch(NullPointerException e) {\n" + |
| " System.out.println(\"SUCCESS\");\n" + |
| " }\n" + |
| " }\n" + |
| "}", |
| }, |
| "SUCCESS"); |
| |
| ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler(); |
| byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(new File(OUTPUT_DIR + File.separator +"X.class")); |
| String actualOutput = |
| disassembler.disassemble( |
| classFileBytes, |
| "\n", |
| ClassFileBytesDisassembler.DETAILED); |
| |
| String expectedOutput = |
| " // Method descriptor #13 ()V\n" + |
| " // Stack: 2, Locals: 2\n" + |
| " public void foo();\n" + |
| " 0 aload_0 [this]\n" + |
| " 1 getfield X.x : X [23]\n" + |
| " 4 getfield X.next : X [14]\n" + |
| " 7 getfield X.next : X [14]\n" + |
| " 10 getfield X.next : X [14]\n" + |
| " 13 getfield X.next : X [14]\n" + |
| " 16 getfield X.next : X [14]\n" + |
| " 19 invokevirtual java.lang.Object.toString() : java.lang.String [30]\n" + |
| " 22 pop\n" + |
| " 23 goto 35\n" + |
| " 26 astore_1 [e]\n" + |
| " 27 getstatic java.lang.System.out : java.io.PrintStream [34]\n" + |
| " 30 ldc <String \"SUCCESS\"> [40]\n" + |
| " 32 invokevirtual java.io.PrintStream.println(java.lang.String) : void [42]\n" + |
| " 35 return\n" + |
| " Exception Table:\n" + |
| " [pc: 0, pc: 23] -> 26 when : java.lang.NullPointerException\n" + |
| " Line numbers:\n" + |
| " [pc: 0, line: 18]\n" + |
| " [pc: 1, line: 19]\n" + |
| " [pc: 4, line: 20]\n" + |
| " [pc: 7, line: 21]\n" + |
| " [pc: 10, line: 22]\n" + |
| " [pc: 13, line: 23]\n" + |
| " [pc: 16, line: 24]\n" + |
| " [pc: 19, line: 25]\n" + |
| " [pc: 23, line: 26]\n" + |
| " [pc: 27, line: 27]\n" + |
| " [pc: 35, line: 29]\n" + |
| " Local variable table:\n" + |
| " [pc: 0, pc: 36] local: this index: 0 type: X\n" + |
| " [pc: 27, pc: 35] local: e index: 1 type: java.lang.NullPointerException\n"; |
| int index = actualOutput.indexOf(expectedOutput); |
| if (index == -1 || expectedOutput.length() == 0) { |
| System.out.println(Util.displayString(actualOutput, 2)); |
| } |
| if (index == -1) { |
| assertEquals("Wrong contents", expectedOutput, actualOutput); |
| } |
| } |
| public static Class testClass() { |
| return LineNumberAttributeTest.class; |
| } |
| } |