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/*******************************************************************************
* Copyright (c) 2009, 2017 Mountainminds GmbH & Co. KG and Contributors
* 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:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.core.test.validation;
import org.jacoco.core.analysis.ICounter;
import org.jacoco.core.test.validation.targets.Target03;
import org.junit.Test;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Tests of exception based control flow.
*/
public class ExceptionsTest extends ValidationTestBase {
/**
* https://bugs.openjdk.java.net/browse/JDK-8180660
*/
private static final boolean isJDK8u152;
private static final boolean isJDK10;
static {
final Matcher m = Pattern.compile("1\\.8\\.0_(\\d++)(-ea)?")
.matcher(System.getProperty("java.version"));
isJDK8u152 = m.matches() && Integer.parseInt(m.group(1)) >= 152;
isJDK10 = System.getProperty("java.version").startsWith("10");
}
public ExceptionsTest() {
super(Target03.class);
}
@Test
public void testCoverageResult() {
// 0. Implicit NullPointerException
// Currently no coverage at all, as we don't see when a block aborts
// somewhere in the middle.
assertLine("implicitNullPointerException.before", ICounter.NOT_COVERED);
assertLine("implicitNullPointerException.exception",
ICounter.NOT_COVERED);
assertLine("implicitNullPointerException.after", ICounter.NOT_COVERED);
// 1. Implicit Exception
assertLine("implicitException.before", ICounter.FULLY_COVERED);
assertLine("implicitException.exception", ICounter.NOT_COVERED);
assertLine("implicitException.after", ICounter.NOT_COVERED);
// 2. Explicit Exception
// Full coverage, as we recognize throw statements as block boundaries.
assertLine("explicitException.before", ICounter.FULLY_COVERED);
assertLine("explicitException.throw", ICounter.FULLY_COVERED);
// 3. Try/Catch Block Without Exception Thrown
assertLine("noExceptionTryCatch.beforeBlock", ICounter.FULLY_COVERED);
assertLine("noExceptionTryCatch.tryBlock", ICounter.FULLY_COVERED);
assertLine("noExceptionTryCatch.catch",
isJDKCompiler ? ICounter.NOT_COVERED : ICounter.PARTLY_COVERED);
assertLine("noExceptionTryCatch.catchBlock", ICounter.NOT_COVERED);
assertLine("noExceptionTryCatch.catchBlockEnd",
isJDKCompiler ? ICounter.FULLY_COVERED : ICounter.EMPTY);
assertLine("noExceptionTryCatch.afterBlock", ICounter.FULLY_COVERED);
// 4. Try/Catch Block With Exception Thrown Implicitly
assertLine("implicitExceptionTryCatch.beforeBlock",
ICounter.FULLY_COVERED);
assertLine("implicitExceptionTryCatch.before", ICounter.FULLY_COVERED);
assertLine("implicitExceptionTryCatch.exception", ICounter.NOT_COVERED);
assertLine("implicitExceptionTryCatch.after", ICounter.NOT_COVERED);
assertLine("implicitExceptionTryCatch.catch", isJDKCompiler
? ICounter.FULLY_COVERED : ICounter.PARTLY_COVERED);
assertLine("implicitExceptionTryCatch.catchBlock",
ICounter.FULLY_COVERED);
assertLine("implicitExceptionTryCatch.catchBlockEnd",
isJDKCompiler ? ICounter.NOT_COVERED : ICounter.EMPTY);
assertLine("implicitExceptionTryCatch.afterBlock",
ICounter.FULLY_COVERED);
// 5. Try/Catch Block With Exception Thrown Implicitly After Condition
// As the try/catch block is entered at one branch of the condition
// should be marked as executed
assertLine("implicitExceptionTryCatchAfterCondition.condition",
ICounter.FULLY_COVERED, 1, 1);
assertLine("implicitExceptionTryCatchAfterCondition.exception",
ICounter.NOT_COVERED);
assertLine("implicitExceptionTryCatchAfterCondition.catchBlock",
ICounter.FULLY_COVERED);
// 6. Try/Catch Block With Exception Thrown Explicitly
assertLine("explicitExceptionTryCatch.beforeBlock",
ICounter.FULLY_COVERED);
assertLine("explicitExceptionTryCatch.before", ICounter.FULLY_COVERED);
assertLine("explicitExceptionTryCatch.throw", ICounter.FULLY_COVERED);
assertLine("explicitExceptionTryCatch.catch", ICounter.FULLY_COVERED);
assertLine("explicitExceptionTryCatch.catchBlock",
ICounter.FULLY_COVERED);
assertLine("explicitExceptionTryCatch.catchBlockEnd", ICounter.EMPTY);
assertLine("explicitExceptionTryCatch.afterBlock",
ICounter.FULLY_COVERED);
// 7. Finally Block Without Exception Thrown
// Finally block is yellow as the exception path is missing.
assertLine("noExceptionFinally.beforeBlock", ICounter.FULLY_COVERED);
assertLine("noExceptionFinally.tryBlock", ICounter.FULLY_COVERED);
assertLine("noExceptionFinally.finally",
isJDKCompiler ? ICounter.EMPTY : ICounter.PARTLY_COVERED);
assertLine("noExceptionFinally.finallyBlock", ICounter.PARTLY_COVERED);
if (!isJDKCompiler) {
assertLine("noExceptionFinally.finallyBlockEnd",
ICounter.NOT_COVERED);
} else if (isJDK8u152 || isJDK10) {
assertLine("noExceptionFinally.finallyBlockEnd",
ICounter.PARTLY_COVERED);
} else {
assertLine("noExceptionFinally.finallyBlockEnd",
ICounter.FULLY_COVERED);
}
assertLine("noExceptionFinally.afterBlock", ICounter.FULLY_COVERED);
// 8. Finally Block With Implicit Exception
// Finally block is yellow as the non-exception path is missing.
assertLine("implicitExceptionFinally.beforeBlock",
ICounter.FULLY_COVERED);
assertLine("implicitExceptionFinally.before", ICounter.FULLY_COVERED);
assertLine("implicitExceptionFinally.exception", ICounter.NOT_COVERED);
assertLine("implicitExceptionFinally.after", ICounter.NOT_COVERED);
assertLine("implicitExceptionFinally.finally",
isJDKCompiler ? ICounter.EMPTY : ICounter.PARTLY_COVERED);
assertLine("implicitExceptionFinally.finallyBlock",
ICounter.PARTLY_COVERED);
if (!isJDKCompiler) {
assertLine("implicitExceptionFinally.finallyBlockEnd",
ICounter.FULLY_COVERED);
} else if (isJDK8u152 || isJDK10) {
assertLine("implicitExceptionFinally.finallyBlockEnd",
ICounter.PARTLY_COVERED);
} else {
assertLine("implicitExceptionFinally.finallyBlockEnd",
ICounter.NOT_COVERED);
}
assertLine("implicitExceptionFinally.afterBlock", ICounter.NOT_COVERED);
// 9. Finally Block With Exception Thrown Explicitly
assertLine("explicitExceptionFinally.beforeBlock",
ICounter.FULLY_COVERED);
assertLine("explicitExceptionFinally.before", ICounter.FULLY_COVERED);
assertLine("explicitExceptionFinally.throw", ICounter.FULLY_COVERED);
assertLine("explicitExceptionFinally.finally",
isJDKCompiler ? ICounter.EMPTY : ICounter.FULLY_COVERED);
assertLine("explicitExceptionFinally.finallyBlock",
ICounter.FULLY_COVERED);
if (!isJDKCompiler || isJDK8u152 || isJDK10) {
assertLine("explicitExceptionFinally.finallyBlockEnd",
ICounter.FULLY_COVERED);
} else {
assertLine("explicitExceptionFinally.finallyBlockEnd",
ICounter.EMPTY);
}
assertLine("explicitExceptionFinally.afterBlock", ICounter.EMPTY);
}
}
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