| /* |
| * 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 android.support.v7.graphics; |
| |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.test.InstrumentationTestCase; |
| |
| /** |
| * @hide |
| */ |
| public class ConsistencyTest extends InstrumentationTestCase { |
| |
| private static final int NUMBER_TRIALS = 10; |
| |
| public void testConsistency() { |
| Bitmap icon = BitmapFactory.decodeResource(getInstrumentation().getContext().getResources(), |
| android.R.drawable.sym_def_app_icon); |
| |
| testConsistencyForBitmap(icon); |
| } |
| |
| private void testConsistencyForBitmap(Bitmap bitmap) { |
| Palette lastPalette = null; |
| |
| for (int i = 0; i < NUMBER_TRIALS; i++) { |
| Palette newPalette = Palette.from(bitmap).generate(); |
| if (lastPalette != null) { |
| assetPalettesEqual(lastPalette, newPalette); |
| } |
| lastPalette = newPalette; |
| } |
| } |
| |
| private static void assetPalettesEqual(Palette p1, Palette p2) { |
| assertEquals(p1.getVibrantSwatch(), p2.getVibrantSwatch()); |
| assertEquals(p1.getLightVibrantSwatch(), p2.getLightVibrantSwatch()); |
| assertEquals(p1.getDarkVibrantSwatch(), p2.getDarkVibrantSwatch()); |
| assertEquals(p1.getMutedSwatch(), p2.getMutedSwatch()); |
| assertEquals(p1.getLightMutedSwatch(), p2.getLightMutedSwatch()); |
| assertEquals(p1.getDarkMutedSwatch(), p2.getDarkMutedSwatch()); |
| } |
| } |