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/*
* Copyright (C) 2015 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.tv.util.images;
import static com.android.tv.util.images.BitmapUtils.createScaledBitmapInfo;
import static com.google.common.truth.Truth.assertWithMessage;
import android.graphics.Bitmap;
import android.support.test.filters.MediumTest;
import android.support.test.runner.AndroidJUnit4;
import com.android.tv.util.images.BitmapUtils.ScaledBitmapInfo;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
/** Tests for {@link ImageCache}. */
@MediumTest
@RunWith(AndroidJUnit4.class)
public class ImageCacheTest {
private static final Bitmap ORIG = Bitmap.createBitmap(100, 100, Bitmap.Config.RGB_565);
private static final String KEY = "same";
private static final ScaledBitmapInfo INFO_200 = createScaledBitmapInfo(KEY, ORIG, 200, 200);
private static final ScaledBitmapInfo INFO_100 = createScaledBitmapInfo(KEY, ORIG, 100, 100);
private static final ScaledBitmapInfo INFO_50 = createScaledBitmapInfo(KEY, ORIG, 50, 50);
private static final ScaledBitmapInfo INFO_25 = createScaledBitmapInfo(KEY, ORIG, 25, 25);
private ImageCache mImageCache;
@Before
public void setUp() throws Exception {
mImageCache = ImageCache.newInstance(0.1f);
}
// TODO: Empty the cache in the setup. Try using @VisibleForTesting
@Test
public void testPutIfLarger_smaller() throws Exception {
mImageCache.putIfNeeded(INFO_50);
assertWithMessage("before").that(mImageCache.get(KEY)).isSameAs(INFO_50);
mImageCache.putIfNeeded(INFO_25);
assertWithMessage("after").that(mImageCache.get(KEY)).isSameAs(INFO_50);
}
@Test
public void testPutIfLarger_larger() throws Exception {
mImageCache.putIfNeeded(INFO_50);
assertWithMessage("before").that(mImageCache.get(KEY)).isSameAs(INFO_50);
mImageCache.putIfNeeded(INFO_100);
assertWithMessage("after").that(mImageCache.get(KEY)).isSameAs(INFO_100);
}
@Test
public void testPutIfLarger_alreadyMax() throws Exception {
mImageCache.putIfNeeded(INFO_100);
assertWithMessage("before").that(mImageCache.get(KEY)).isSameAs(INFO_100);
mImageCache.putIfNeeded(INFO_200);
assertWithMessage("after").that(mImageCache.get(KEY)).isSameAs(INFO_100);
}
}
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