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/*
* Copyright (C) 2021 The Android Open Source Project
*
* 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.
*/
package com.android.net.module.util;
import static com.android.testutils.Cleanup.testAndCleanup;
import static com.android.testutils.MiscAsserts.assertThrows;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import android.util.Log;
import org.junit.Test;
import java.util.concurrent.atomic.AtomicInteger;
public class CleanupTestJava {
private static final String TAG = CleanupTestJava.class.getSimpleName();
private static final class TestException1 extends Exception {}
private static final class TestException2 extends Exception {}
private static final class TestException3 extends Exception {}
@Test
public void testNotThrow() {
final AtomicInteger x = new AtomicInteger(1);
final int a = testAndCleanup(() -> {
x.compareAndSet(1, 2);
Log.e(TAG, "Do nothing");
return 6;
}, () -> {
x.compareAndSet(2, 3);
Log.e(TAG, "Do nothing");
});
assertEquals(3, x.get());
assertEquals(6, a);
}
@Test
public void testThrowTry() {
final AtomicInteger x = new AtomicInteger(1);
assertThrows(TestException1.class, () ->
testAndCleanup(() -> {
x.compareAndSet(1, 2);
throw new TestException1();
// Java refuses to call x.set(3) here because this line is unreachable
}, () -> {
x.compareAndSet(2, 3);
Log.e(TAG, "Do nothing");
})
);
assertEquals(3, x.get());
}
@Test
public void testThrowCleanup() {
final AtomicInteger x = new AtomicInteger(1);
assertThrows(TestException2.class, () ->
testAndCleanup(() -> {
x.compareAndSet(1, 2);
Log.e(TAG, "Do nothing");
}, () -> {
x.compareAndSet(2, 3);
throw new TestException2();
// Java refuses to call x.set(4) here because this line is unreachable
})
);
assertEquals(3, x.get());
}
@Test
public void testThrowBoth() {
final AtomicInteger x = new AtomicInteger(1);
assertThrows(TestException1.class, () ->
testAndCleanup(() -> {
x.compareAndSet(1, 2);
throw new TestException1();
}, () -> {
x.compareAndSet(2, 3);
throw new TestException2();
})
);
assertEquals(3, x.get());
}
@Test
public void testMultipleCleanups() {
final AtomicInteger x = new AtomicInteger(1);
final TestException1 exception = assertThrows(TestException1.class, () ->
testAndCleanup(() -> {
x.compareAndSet(1, 2);
throw new TestException1();
}, () -> {
x.compareAndSet(2, 3);
throw new TestException2();
}, () -> {
x.compareAndSet(3, 4);
throw new TestException3();
}, () -> {
x.compareAndSet(4, 5);
})
);
assertEquals(2, exception.getSuppressed().length);
assertTrue(exception.getSuppressed()[0] instanceof TestException2);
assertTrue(exception.getSuppressed()[1] instanceof TestException3);
assertEquals(5, x.get());
}
}
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