/*******************************************************************************
* Copyright (c) 2000, 2009 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 java.util.Map;
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;
import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
public class ForStatementTest extends AbstractRegressionTest {
public ForStatementTest(String name) {
super(name);
}
protected Map<String, String> getCompilerOptions() {
Map<String, String> options = super.getCompilerOptions();
options.put(CompilerOptions.OPTION_PreserveUnusedLocal, CompilerOptions.OPTIMIZE_OUT);
return options;
}
public static Test suite() {
return buildAllCompliancesTestSuite(ForStatementTest.class);
}
public void test001() {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static Object m(int[] arg) {\n" +
" yyLoop: for (int i = 0;; ++i) {\n" +
" yyInner: for (;;) {\n" +
" switch (arg[i]) {\n" +
" case 0:\n" +
" break;\n" +
" case 1:\n" +
" continue yyInner;\n" +
" }\n" +
" if (i == 32)\n" +
" return arg;\n" +
" if (i == 12)\n" +
" break;\n" +
" continue yyLoop;\n" +
" }\n" +
" if (i == 32)\n" +
" return null;\n" +
" if (i > 7)\n" +
" continue yyLoop;\n" +
" }\n" +
" }\n" +
"\n" +
" public static void main(String[] args) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" }\n" +
"}\n",
},
"SUCCESS");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=180471
public void test002() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo2(int[] array) {\n" +
" for (int i = 0; i < array.length; i++) {\n" +
" System.out.println(i);\n" +
" break;\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"");
String expectedOutput =
" // Method descriptor #15 ([I)V\n" +
" // Stack: 2, Locals: 3\n" +
" void foo2(int[] array);\n" +
" 0 iconst_0\n" +
" 1 istore_2 [i]\n" +
" 2 iload_2 [i]\n" +
" 3 aload_1 [array]\n" +
" 4 arraylength\n" +
" 5 if_icmpge 15\n" +
" 8 getstatic java.lang.System.out : java.io.PrintStream [16]\n" +
" 11 iload_2 [i]\n" +
" 12 invokevirtual java.io.PrintStream.println(int) : void [22]\n" +
" 15 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 3]\n" +
" [pc: 8, line: 4]\n" +
" [pc: 15, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 16] local: this index: 0 type: X\n" +
" [pc: 0, pc: 16] local: array index: 1 type: int[]\n" +
" [pc: 2, pc: 15] local: i index: 2 type: int\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=180471 - variation
public void test003() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo4(int[] array) {\n" +
" do {\n" +
" System.out.println();\n" +
" break;\n" +
" } while (array.length > 0);\n" +
" }\n" +
"}\n", // =================
},
"");
String expectedOutput =
" // Method descriptor #15 ([I)V\n" +
" // Stack: 1, Locals: 2\n" +
" void foo4(int[] array);\n" +
" 0 getstatic java.lang.System.out : java.io.PrintStream [16]\n" +
" 3 invokevirtual java.io.PrintStream.println() : void [22]\n" +
" 6 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 4]\n" +
" [pc: 6, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 7] local: this index: 0 type: X\n" +
" [pc: 0, pc: 7] local: array index: 1 type: int[]\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=180471 - variation
public void test004() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" void foo1(int[] array) {\n" +
" while (array.length > 0) {\n" +
" System.out.println();\n" +
" break;\n" +
" }\n" +
" }\n" +
"}\n", // =================
},
"");
String expectedOutput =
" // Method descriptor #15 ([I)V\n" +
" // Stack: 1, Locals: 2\n" +
" void foo1(int[] array);\n" +
" 0 aload_1 [array]\n" +
" 1 arraylength\n" +
" 2 ifle 11\n" +
" 5 getstatic java.lang.System.out : java.io.PrintStream [16]\n" +
" 8 invokevirtual java.io.PrintStream.println() : void [22]\n" +
" 11 return\n" +
" Line numbers:\n" +
" [pc: 0, line: 3]\n" +
" [pc: 5, line: 4]\n" +
" [pc: 11, line: 7]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 12] local: this index: 0 type: X\n" +
" [pc: 0, pc: 12] local: array index: 1 type: int[]\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=195317
public void test005() throws Exception {
this.runConformTest(
new String[] {
"X.java",
"public class X {\n" +
" public static void main(String[] args) {\n" +
" int mode = 1;\n" +
" loop: for (;;) {\n" +
" switch (mode) {\n" +
" case 2 :\n" +
" return;\n" +
" case 1:\n" +
" mode = 2;\n" +
" continue loop;\n" +
" }\n" +
" }\n" +
" }\n" +
"}",
},
"");
String expectedOutput =
" // Method descriptor #15 ([Ljava/lang/String;)V\n" +
" // Stack: 1, Locals: 2\n" +
" public static void main(java.lang.String[] args);\n" +
" 0 iconst_1\n" +
" 1 istore_1 [mode]\n" +
" 2 iload_1 [mode]\n" +
" 3 tableswitch default: 27\n" +
" case 1: 25\n" +
" case 2: 24\n" +
" 24 return\n" +
" 25 iconst_2\n" +
" 26 istore_1 [mode]\n" +
" 27 goto 2\n" +
" Line numbers:\n" +
" [pc: 0, line: 3]\n" +
" [pc: 2, line: 5]\n" +
" [pc: 24, line: 7]\n" +
" [pc: 25, line: 9]\n" +
" [pc: 27, line: 4]\n" +
" Local variable table:\n" +
" [pc: 0, pc: 30] local: args index: 0 type: java.lang.String[]\n" +
" [pc: 2, pc: 30] local: mode index: 1 type: int\n";
File f = new File(OUTPUT_DIR + File.separator + "X.class");
byte[] classFileBytes = org.eclipse.jdt.internal.compiler.util.Util.getFileByteContent(f);
ClassFileBytesDisassembler disassembler = ToolFactory.createDefaultClassFileBytesDisassembler();
String result = disassembler.disassemble(classFileBytes, "\n", ClassFileBytesDisassembler.DETAILED);
int index = result.indexOf(expectedOutput);
if (index == -1 || expectedOutput.length() == 0) {
System.out.println(Util.displayString(result, 3));
}
if (index == -1) {
assertEquals("Wrong contents", expectedOutput, result);
}
}
}