1 /* 2 * Copyright 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package androidx.palette.graphics; 18 19 import static org.junit.Assert.assertTrue; 20 21 import android.support.test.filters.SmallTest; 22 import android.support.test.runner.AndroidJUnit4; 23 24 import org.junit.Test; 25 import org.junit.runner.RunWith; 26 27 @RunWith(AndroidJUnit4.class) 28 public class MaxColorsTest { 29 30 @Test 31 @SmallTest 32 public void testMaxColorCount32() { 33 testMaxColorCount(32); 34 } 35 36 @Test 37 @SmallTest 38 public void testMaxColorCount1() { 39 testMaxColorCount(1); 40 } 41 42 @Test 43 @SmallTest 44 public void testMaxColorCount15() { 45 testMaxColorCount(15); 46 } 47 48 private void testMaxColorCount(int colorCount) { 49 Palette newPalette = Palette.from(TestUtils.loadSampleBitmap()) 50 .maximumColorCount(colorCount) 51 .generate(); 52 assertTrue(newPalette.getSwatches().size() <= colorCount); 53 } 54 } 55