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/*
* Copyright (C) 2013 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.inputmethod.latin.utils;
import static org.junit.Assert.assertEquals;
import android.support.test.filters.MediumTest;
import android.support.test.runner.AndroidJUnit4;
import android.util.Log;
import org.junit.Test;
import org.junit.runner.RunWith;
@MediumTest
@RunWith(AndroidJUnit4.class)
public class AsyncResultHolderTests {
static final String TAG = AsyncResultHolderTests.class.getSimpleName();
private static final int TIMEOUT_IN_MILLISECONDS = 500;
private static final int MARGIN_IN_MILLISECONDS = 250;
private static final int DEFAULT_VALUE = 2;
private static final int SET_VALUE = 1;
private static <T> void setAfterGivenTime(final AsyncResultHolder<T> holder, final T value,
final long time) {
new Thread(new Runnable() {
@Override
public void run() {
try {
Thread.sleep(time);
} catch (InterruptedException e) {
Log.d(TAG, "Exception while sleeping", e);
}
holder.set(value);
}
}).start();
}
@Test
public void testGetWithoutSet() {
final AsyncResultHolder<Integer> holder = new AsyncResultHolder<>("Test");
final int resultValue = holder.get(DEFAULT_VALUE, TIMEOUT_IN_MILLISECONDS);
assertEquals(DEFAULT_VALUE, resultValue);
}
@Test
public void testGetBeforeSet() {
final AsyncResultHolder<Integer> holder = new AsyncResultHolder<>("Test");
setAfterGivenTime(holder, SET_VALUE, TIMEOUT_IN_MILLISECONDS + MARGIN_IN_MILLISECONDS);
final int resultValue = holder.get(DEFAULT_VALUE, TIMEOUT_IN_MILLISECONDS);
assertEquals(DEFAULT_VALUE, resultValue);
}
@Test
public void testGetAfterSet() {
final AsyncResultHolder<Integer> holder = new AsyncResultHolder<>("Test");
holder.set(SET_VALUE);
final int resultValue = holder.get(DEFAULT_VALUE, TIMEOUT_IN_MILLISECONDS);
assertEquals(SET_VALUE, resultValue);
}
@Test
public void testGetBeforeTimeout() {
final AsyncResultHolder<Integer> holder = new AsyncResultHolder<>("Test");
setAfterGivenTime(holder, SET_VALUE, TIMEOUT_IN_MILLISECONDS - MARGIN_IN_MILLISECONDS);
final int resultValue = holder.get(DEFAULT_VALUE, TIMEOUT_IN_MILLISECONDS);
assertEquals(SET_VALUE, resultValue);
}
}
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