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FuturesGetUncheckedTest.java
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FuturesGetUncheckedTest.java
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/*
* Copyright (C) 2008 The Guava Authors
*
* 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.google.common.util.concurrent;
import static com.google.common.util.concurrent.Futures.getUnchecked;
import static com.google.common.util.concurrent.Futures.immediateFuture;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.CHECKED_EXCEPTION;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.ERROR;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.ERROR_FUTURE;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.FAILED_FUTURE_CHECKED_EXCEPTION;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.FAILED_FUTURE_ERROR;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.FAILED_FUTURE_OTHER_THROWABLE;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.FAILED_FUTURE_UNCHECKED_EXCEPTION;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.OTHER_THROWABLE;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.RUNTIME_EXCEPTION;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.RUNTIME_EXCEPTION_FUTURE;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.UNCHECKED_EXCEPTION;
import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.util.concurrent.CancellationException;
import java.util.concurrent.Future;
import junit.framework.TestCase;
/** Unit tests for {@link Futures#getUnchecked(Future)}. */
@GwtCompatible(emulated = true)
public class FuturesGetUncheckedTest extends TestCase {
public void testGetUnchecked_success() {
assertEquals("foo", getUnchecked(immediateFuture("foo")));
}
@J2ktIncompatible
@GwtIncompatible // Thread.interrupt
public void testGetUnchecked_interrupted() {
Thread.currentThread().interrupt();
try {
assertEquals("foo", getUnchecked(immediateFuture("foo")));
assertTrue(Thread.currentThread().isInterrupted());
} finally {
Thread.interrupted();
}
}
public void testGetUnchecked_cancelled() {
SettableFuture<String> future = SettableFuture.create();
future.cancel(true);
try {
getUnchecked(future);
fail();
} catch (CancellationException expected) {
}
}
public void testGetUnchecked_ExecutionExceptionChecked() {
try {
getUnchecked(FAILED_FUTURE_CHECKED_EXCEPTION);
fail();
} catch (UncheckedExecutionException expected) {
assertEquals(CHECKED_EXCEPTION, expected.getCause());
}
}
public void testGetUnchecked_ExecutionExceptionUnchecked() {
try {
getUnchecked(FAILED_FUTURE_UNCHECKED_EXCEPTION);
fail();
} catch (UncheckedExecutionException expected) {
assertEquals(UNCHECKED_EXCEPTION, expected.getCause());
}
}
public void testGetUnchecked_ExecutionExceptionError() {
try {
getUnchecked(FAILED_FUTURE_ERROR);
fail();
} catch (ExecutionError expected) {
assertEquals(ERROR, expected.getCause());
}
}
public void testGetUnchecked_ExecutionExceptionOtherThrowable() {
try {
getUnchecked(FAILED_FUTURE_OTHER_THROWABLE);
fail();
} catch (UncheckedExecutionException expected) {
assertEquals(OTHER_THROWABLE, expected.getCause());
}
}
public void testGetUnchecked_RuntimeException() {
try {
getUnchecked(RUNTIME_EXCEPTION_FUTURE);
fail();
} catch (RuntimeException expected) {
assertEquals(RUNTIME_EXCEPTION, expected);
}
}
public void testGetUnchecked_Error() {
try {
getUnchecked(ERROR_FUTURE);
} catch (Error expected) {
assertEquals(ERROR, expected);
return;
}
fail();
}
}