org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/parser/StatementRecoveryTest_1_5.java

/*******************************************************************************
 * Copyright (c) 2000, 2006 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.parser;

import java.util.Locale;
import java.util.Map;

import junit.framework.Test;

import org.eclipse.jdt.core.tests.util.AbstractCompilerTest;
import org.eclipse.jdt.core.tests.util.Util;
import org.eclipse.jdt.internal.compiler.CompilationResult;
import org.eclipse.jdt.internal.compiler.DefaultErrorHandlingPolicies;
import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration;
import org.eclipse.jdt.internal.compiler.batch.CompilationUnit;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.eclipse.jdt.internal.compiler.env.ICompilationUnit;
import org.eclipse.jdt.internal.compiler.impl.CompilerOptions;
import org.eclipse.jdt.internal.compiler.parser.Parser;
import org.eclipse.jdt.internal.compiler.problem.DefaultProblemFactory;
import org.eclipse.jdt.internal.compiler.problem.ProblemReporter;

public class StatementRecoveryTest_1_5 extends AbstractCompilerTest {
	public static final boolean ONLY_DIET_PLUS_BODY_WITH_STATEMENT_RECOVERY = false;
	
	public static boolean optimizeStringLiterals = false;
	public static long sourceLevel = ClassFileConstants.JDK1_3; //$NON-NLS-1$
	
static {
//	TESTS_NAMES = new String[] { "test0037"};
//	TESTS_RANGE = new int[] {10, 20};
}
public static Test suite() {
	return buildAllCompliancesTestSuite(StatementRecoveryTest_1_5.class);
}
public StatementRecoveryTest_1_5(String testName){
	super(testName);
}
public void checkParse(
	char[] source, 
	String expectedDietUnitToString,
	String expectedDietWithStatementRecoveryUnitToString,
	String expectedDietPlusBodyUnitToString,	
	String expectedDietPlusBodyWithStatementRecoveryUnitToString,	
	String expectedFullUnitToString,
	String expectedFullWithStatementRecoveryUnitToString,
	String testName) {

	/* using regular parser in DIET mode */
	if(!ONLY_DIET_PLUS_BODY_WITH_STATEMENT_RECOVERY){
		Parser parser = 
			new Parser(
				new ProblemReporter(
					DefaultErrorHandlingPolicies.proceedWithAllProblems(), 
					new CompilerOptions(getCompilerOptions()), 
					new DefaultProblemFactory(Locale.getDefault())),
				optimizeStringLiterals);
		parser.setStatementsRecovery(false);
		
		ICompilationUnit sourceUnit = new CompilationUnit(source, testName, null);
		CompilationResult compilationResult = new CompilationResult(sourceUnit, 0, 0, 0);	
		
		CompilationUnitDeclaration computedUnit = parser.dietParse(sourceUnit, compilationResult);
		String computedUnitToString = computedUnit.toString();
		if (!expectedDietUnitToString.equals(computedUnitToString)){
			System.out.println(Util.displayString(computedUnitToString));
		}
		assertEquals(
			"Invalid unit diet structure" + testName,
			expectedDietUnitToString,
			computedUnitToString);
	}
	/* using regular parser in DIET mode and statementRecoveryEnabled */
	if(!ONLY_DIET_PLUS_BODY_WITH_STATEMENT_RECOVERY){
		Parser parser = 
			new Parser(
				new ProblemReporter(
					DefaultErrorHandlingPolicies.proceedWithAllProblems(), 
					new CompilerOptions(getCompilerOptions()), 
					new DefaultProblemFactory(Locale.getDefault())),
				optimizeStringLiterals);

		ICompilationUnit sourceUnit = new CompilationUnit(source, testName, null);
		CompilationResult compilationResult = new CompilationResult(sourceUnit, 0, 0, 0);	
		
		CompilationUnitDeclaration computedUnit = parser.dietParse(sourceUnit, compilationResult);
		String computedUnitToString = computedUnit.toString();
		if (!expectedDietWithStatementRecoveryUnitToString.equals(computedUnitToString)){
			System.out.println(Util.displayString(computedUnitToString));
		}
		assertEquals(
			"Invalid unit diet structure with statement recovery enabled" + testName,
			expectedDietWithStatementRecoveryUnitToString,
			computedUnitToString);
	}
	/* using regular parser in DIET mode + getMethodBodies */
	if(!ONLY_DIET_PLUS_BODY_WITH_STATEMENT_RECOVERY){
		Parser parser = 
			new Parser(
				new ProblemReporter(
					DefaultErrorHandlingPolicies.proceedWithAllProblems(), 
					new CompilerOptions(getCompilerOptions()), 
					new DefaultProblemFactory(Locale.getDefault())),
				optimizeStringLiterals);
		parser.setStatementsRecovery(false);

		ICompilationUnit sourceUnit = new CompilationUnit(source, testName, null);
		CompilationResult compilationResult = new CompilationResult(sourceUnit, 0, 0, 0);	
		
		CompilationUnitDeclaration computedUnit = parser.dietParse(sourceUnit, compilationResult);
		String computedUnitToString = computedUnit.toString();
		if (!expectedDietUnitToString.equals(computedUnitToString)){
			System.out.println(Util.displayString(computedUnitToString));
		}
		assertEquals(
			"Invalid unit diet structure" + testName,
			expectedDietUnitToString,
			computedUnitToString);
		if (computedUnit.types != null) {
			for (int i = computedUnit.types.length; --i >= 0;){
				computedUnit.types[i].parseMethod(parser, computedUnit);
			}
		}
		computedUnitToString = computedUnit.toString();
		if (!expectedDietPlusBodyUnitToString.equals(computedUnitToString)){
			System.out.println(Util.displayString(computedUnitToString));
		}
		
		assertEquals(
			"Invalid unit diet+body structure" + testName,
			expectedDietPlusBodyUnitToString,
			computedUnitToString);
	}
	/* using regular parser in DIET mode + getMethodBodies and statementRecoveryEnabled */
	{
		Parser parser = 
			new Parser(
				new ProblemReporter(
					DefaultErrorHandlingPolicies.proceedWithAllProblems(), 
					new CompilerOptions(getCompilerOptions()), 
					new DefaultProblemFactory(Locale.getDefault())),
				optimizeStringLiterals);

		ICompilationUnit sourceUnit = new CompilationUnit(source, testName, null);
		CompilationResult compilationResult = new CompilationResult(sourceUnit, 0, 0, 0);	
		
		CompilationUnitDeclaration computedUnit = parser.dietParse(sourceUnit, compilationResult);
		String computedUnitToString = computedUnit.toString();
		if (!expectedDietWithStatementRecoveryUnitToString.equals(computedUnitToString)){
			System.out.println(Util.displayString(computedUnitToString));
		}
		assertEquals(
			"Invalid unit diet structure" + testName,
			expectedDietWithStatementRecoveryUnitToString,
			computedUnitToString);
		if (computedUnit.types != null) {
			for (int i = computedUnit.types.length; --i >= 0;){
				computedUnit.types[i].parseMethod(parser, computedUnit);
			}
		}
		computedUnitToString = computedUnit.toString();
		if (!expectedDietPlusBodyWithStatementRecoveryUnitToString.equals(computedUnitToString)){
			System.out.println(Util.displayString(computedUnitToString));
		}
		
		assertEquals(
			"Invalid unit diet+body structure with statement recovery enabled" + testName,
			expectedDietPlusBodyWithStatementRecoveryUnitToString,
			computedUnitToString);
	}
	/* using regular parser in FULL mode */
	if(!ONLY_DIET_PLUS_BODY_WITH_STATEMENT_RECOVERY){
		Parser parser = 
			new Parser(
				new ProblemReporter(
					DefaultErrorHandlingPolicies.proceedWithAllProblems(), 
					new CompilerOptions(getCompilerOptions()), 
					new DefaultProblemFactory(Locale.getDefault())),
				optimizeStringLiterals);
		parser.setStatementsRecovery(false);

		ICompilationUnit sourceUnit = new CompilationUnit(source, testName, null);
		CompilationResult compilationResult = new CompilationResult(sourceUnit, 0, 0, 0);	
		
		CompilationUnitDeclaration computedUnit = parser.parse(sourceUnit, compilationResult);
		String computedUnitToString = computedUnit.toString();
		if (!expectedFullUnitToString.equals(computedUnitToString)){
			System.out.println(Util.displayString(computedUnitToString));
		}
		assertEquals(
			"Invalid unit full structure" + testName,
			expectedFullUnitToString,
			computedUnitToString);

	}
	/* using regular parser in FULL mode and statementRecoveryEnabled */
	if(!ONLY_DIET_PLUS_BODY_WITH_STATEMENT_RECOVERY){
		Parser parser = 
			new Parser(
				new ProblemReporter(
					DefaultErrorHandlingPolicies.proceedWithAllProblems(), 
					new CompilerOptions(getCompilerOptions()), 
					new DefaultProblemFactory(Locale.getDefault())),
				optimizeStringLiterals);

		ICompilationUnit sourceUnit = new CompilationUnit(source, testName, null);
		CompilationResult compilationResult = new CompilationResult(sourceUnit, 0, 0, 0);	
		
		CompilationUnitDeclaration computedUnit = parser.parse(sourceUnit, compilationResult);
		String computedUnitToString = computedUnit.toString();
		if (!expectedFullWithStatementRecoveryUnitToString.equals(computedUnitToString)){
			System.out.println(Util.displayString(computedUnitToString));
		}
		assertEquals(
			"Invalid unit full structure with statement recovery enabled" + testName,
			expectedFullWithStatementRecoveryUnitToString,
			computedUnitToString);

	}
}

protected Map getCompilerOptions() {
	Map options = super.getCompilerOptions();
	options.put(CompilerOptions.OPTION_Compliance, CompilerOptions.VERSION_1_5);
	options.put(CompilerOptions.OPTION_Source, CompilerOptions.VERSION_1_5);	
	options.put(CompilerOptions.OPTION_TargetPlatform, CompilerOptions.VERSION_1_5);	
	return options;
}

// https://bugs.eclipse.org/bugs/show_bug.cgi?id=142793
public void test0001() {

	String s = 
		"package a;											\n"
			+ "public class X {								\n"
			+ "  void foo(Collection c) {					\n"
			+ "    for(String s: c) {						\n"
			+ "      try {									\n"
			+ "        foo();		`						\n"
			+ "      }				`						\n"
			+ "    }										\n"
			+ "  }											\n"
			+ "}											\n"; 	

	String expectedDietUnitToString = 
		"package a;\n" + 
		"public class X {\n" + 
		"  public X() {\n" + 
		"  }\n" + 
		"  void foo(Collection c) {\n" + 
		"  }\n" + 
		"}\n";
			
	String expectedDietWithStatementRecoveryUnitToString =
		expectedDietUnitToString;
	
	String expectedDietPlusBodyUnitToString = 
		"package a;\n" + 
		"public class X {\n" + 
		"  public X() {\n" + 
		"    super();\n" + 
		"  }\n" + 
		"  void foo(Collection c) {\n" + 
		"  }\n" + 
		"}\n";

	String expectedDietPlusBodyWithStatementRecoveryUnitToString = 
		"package a;\n" + 
		"public class X {\n" + 
		"  public X() {\n" + 
		"    super();\n" + 
		"  }\n" + 
		"  void foo(Collection c) {\n" + 
		"    for (String s : c) \n" + 
		"      {\n" + 
		"        try \n" + 
		"          {\n" + 
		"            foo();\n" + 
		"          }\n" + 
		"        finally\n" + 
		"          {\n" + 
		"          }\n" + 
		"      }\n" + 
		"    ;\n" + 
		"  }\n" + 
		"}\n";
	
	String expectedFullUnitToString =
		"package a;\n" + 
		"public class X {\n" + 
		"  public X() {\n" + 
		"  }\n" + 
		"  void foo(Collection c) {\n" + 
		"  }\n" + 
		"}\n";
	
	String expectedFullWithStatementRecoveryUnitToString =
		expectedFullUnitToString;
	
	String testName = "<test>";
	checkParse(
		s.toCharArray(),
		expectedDietUnitToString,
		expectedDietWithStatementRecoveryUnitToString,
		expectedDietPlusBodyUnitToString,
		expectedDietPlusBodyWithStatementRecoveryUnitToString,
		expectedFullUnitToString,
		expectedFullWithStatementRecoveryUnitToString,
		testName);
}
}