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/*
* ============LICENSE_START=======================================================
* Common Utils-Test
* ================================================================================
* Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.utils.test;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class ThrowablesTesterTest {
@Test
public void test() {
assertEquals(2, new ThrowablesTester().testThrowable(SimpleThrowable.class));
assertEquals(5, new ThrowablesTester().testThrowable(StaticThrowable.class));
}
@Test
public void testNoConstructorsThrowable() {
// this will not throw an error, but it should return 0, as there are
// no matching constructors
assertEquals(0, new ThrowablesTester().testThrowable(NoConstructorsThrowable.class));
}
@Test(expected = AssertionError.class)
public void testIgnoreMessageThrowable() {
new ThrowablesTester().testThrowable(IgnoreMessageThrowable.class);
}
@Test(expected = AssertionError.class)
public void testIgnoreCauseThrowable() {
new ThrowablesTester().testThrowable(IgnoreCauseThrowable.class);
}
@Test(expected = AssertionError.class)
public void testAlwaysSuppressThrowable() {
new ThrowablesTester().testThrowable(AlwaysSuppressThrowable.class);
}
@Test(expected = AssertionError.class)
public void testNeverSuppressThrowable() {
new ThrowablesTester().testThrowable(NeverSuppressThrowable.class);
}
@Test(expected = AssertionError.class)
public void testAlwaysWritableThrowable() {
new ThrowablesTester().testThrowable(AlwaysWritableThrowable.class);
}
@Test(expected = AssertionError.class)
public void testNeverWritableThrowable() {
new ThrowablesTester().testThrowable(NeverWritableThrowable.class);
}
@Test(expected = ConstructionError.class)
public void testThrowInstantiationException() {
new ThrowablesTester().testThrowable(ThrowInstantiationException.class);
}
/**
* Used to test a failure case - message text is ignored.
*/
public static class IgnoreMessageThrowable extends Throwable {
private static final long serialVersionUID = 1L;
public IgnoreMessageThrowable(String message) {
super("bogus");
}
}
/**
* Used to test a failure case - cause is ignored.
*/
public static class IgnoreCauseThrowable extends Throwable {
private static final long serialVersionUID = 1L;
public IgnoreCauseThrowable(Throwable cause) {
super(new Throwable("another cause"));
}
}
/**
* Used to test a failure case - this has no standard constructors. The only
* constructor it has takes an "int", thus it is not one of the standard
* constructors.
*/
public static class NoConstructorsThrowable extends Throwable {
private static final long serialVersionUID = 1L;
public NoConstructorsThrowable(int value) {
super();
}
}
/**
* Used to test a failure case - always suppresses.
*/
public static class AlwaysSuppressThrowable extends Throwable {
private static final long serialVersionUID = 1L;
public AlwaysSuppressThrowable(String message, Throwable cause, boolean enableSuppression,
boolean writableStackTrace) {
super(message, cause, true, writableStackTrace);
}
}
/**
* Used to test a failure case - never suppresses.
*/
public static class NeverSuppressThrowable extends Throwable {
private static final long serialVersionUID = 1L;
public NeverSuppressThrowable(String message, Throwable cause, boolean enableSuppression,
boolean writableStackTrace) {
super(message, cause, false, writableStackTrace);
}
}
/**
* Used to test a failure case - always allows stack writes.
*/
public static class AlwaysWritableThrowable extends Throwable {
private static final long serialVersionUID = 1L;
public AlwaysWritableThrowable(String message, Throwable cause, boolean enableSuppression,
boolean writableStackTrace) {
super(message, cause, enableSuppression, true);
}
}
/**
* Used to test a failure case - never allows stack writes.
*/
public static class NeverWritableThrowable extends Throwable {
private static final long serialVersionUID = 1L;
public NeverWritableThrowable(String message, Throwable cause, boolean enableSuppression,
boolean writableStackTrace) {
super(message, cause, enableSuppression, false);
}
}
/**
* Used to test a failure case - throws InstantiationException when
* constructed.
*/
public static class ThrowInstantiationException extends Throwable {
private static final long serialVersionUID = 1L;
public ThrowInstantiationException(String message, Throwable cause, boolean enableSuppression,
boolean writableStackTrace) throws InstantiationException {
throw new InstantiationException(ThrowablesTester.EXPECTED_EXCEPTION_MSG);
}
}
/**
* Used to test a simple success case.
*/
public static class SimpleThrowable extends Throwable {
private static final long serialVersionUID = 1L;
public SimpleThrowable() {
super();
}
public SimpleThrowable(String message) {
super(message);
}
}
/**
* Used to test the exhaustive success case.
*/
public static class StaticThrowable extends Throwable {
private static final long serialVersionUID = 1L;
public StaticThrowable() {
super();
}
public StaticThrowable(String message) {
super(message);
}
public StaticThrowable(Throwable cause) {
super(cause);
}
public StaticThrowable(String message, Throwable cause) {
super(message, cause);
}
public StaticThrowable(String message, Throwable cause, boolean enableSuppression, boolean writableStackTrace) {
super(message, cause, enableSuppression, writableStackTrace);
}
}
}
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