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/*******************************************************************************
* Copyright (c) 2009, 2021 Mountainminds GmbH & Co. KG and Contributors
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.core.test.validation.java5.targets;
import static org.jacoco.core.test.validation.targets.Stubs.ex;
import static org.jacoco.core.test.validation.targets.Stubs.f;
import static org.jacoco.core.test.validation.targets.Stubs.nop;
import org.jacoco.core.test.validation.targets.Stubs.StubException;
/**
* This target produces exception based control flow examples.
*/
public class ExceptionsTarget {
public static void main(String[] args) {
try {
implicitNullPointerException(null);
} catch (NullPointerException e) {
}
try {
implicitException();
} catch (StubException e) {
}
try {
explicitException();
} catch (StubException e) {
}
noExceptionTryCatch();
implicitExceptionTryCatch();
implicitExceptionTryCatchAfterCondition();
explicitExceptionTryCatch();
noExceptionFinally();
try {
explicitExceptionFinally();
} catch (StubException e) {
}
try {
implicitExceptionFinally();
} catch (StubException e) {
}
}
/**
* Currently no coverage at all, as we don't see when a block aborts
* somewhere in the middle.
*/
private static void implicitNullPointerException(int[] a) {
nop(); // assertNotCovered()
a[0] = 0; // assertNotCovered()
nop(); // assertNotCovered()
}
/**
* For each line with method invocations a extra probe is inserted.
* Therefore the lines before the exception are marked as covered.
*/
private static void implicitException() {
nop(); // assertFullyCovered()
ex(); // assertNotCovered()
nop(); // assertNotCovered()
}
private static void explicitException() {
nop(); // assertFullyCovered()
throw new StubException(); // assertFullyCovered()
}
private static void noExceptionTryCatch() {
nop(); // assertFullyCovered()
try {
nop(); // assertFullyCovered()
} catch (StubException e) { // assertCatchNoException()
nop(); // assertNotCovered()
} // assertCatchBlockEndNoException()
} // assertFullyCovered()
private static void implicitExceptionTryCatch() {
nop(); // assertFullyCovered()
try {
nop(); // assertFullyCovered()
ex(); // assertNotCovered()
nop(); // assertNotCovered()
} catch (StubException e) { // assertCatchImplicitException()
nop(); // assertFullyCovered()
} // assertCatchBlockEndImplicitException()
} // assertFullyCovered()
/**
* As the try/catch block is entered at one branch of the condition should
* be marked as executed
*/
private static void implicitExceptionTryCatchAfterCondition() {
if (f()) { // assertFullyCovered(1, 1)
return;
}
try {
ex(); // assertNotCovered()
} catch (StubException e) {
nop(); // assertFullyCovered()
}
}
private static void explicitExceptionTryCatch() {
nop(); // assertFullyCovered()
try {
nop(); // assertFullyCovered()
throw new StubException(); // assertFullyCovered()
} catch (StubException e) { // assertFullyCovered()
nop(); // assertFullyCovered()
} // assertEmpty()
} // assertFullyCovered()
private static void noExceptionFinally() {
nop(); // assertFullyCovered()
try {
nop(); // assertFullyCovered()
} finally { // assertFinally()
nop(); // assertFullyCovered()
} // assertEmpty()
} // assertFullyCovered()
private static void implicitExceptionFinally() {
nop(); // assertFullyCovered()
try {
nop(); // assertFullyCovered()
ex(); // assertNotCovered()
nop(); // assertNotCovered()
} finally { // assertFinallyImplicitException()
nop(); // assertFullyCovered()
} // assertEmpty()
} // assertNotCovered()
private static void explicitExceptionFinally() {
nop(); // assertFullyCovered()
try {
nop(); // assertFullyCovered()
throw new StubException(); // assertFullyCovered()
} finally { // assertFinally()
nop(); // assertFullyCovered()
} // assertBlockEndImplicitException()
} // assertEmpty()
}
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