1/*
2 * Copyright (C) 2015 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
17package android.support.v7.graphics;
18
19import static android.support.v7.graphics.TestUtils.loadSampleBitmap;
20
21import static org.junit.Assert.assertTrue;
22
23import android.support.test.filters.SmallTest;
24import android.support.test.runner.AndroidJUnit4;
25
26import org.junit.Test;
27import org.junit.runner.RunWith;
28
29@RunWith(AndroidJUnit4.class)
30public class MaxColorsTest {
31
32    @Test
33    @SmallTest
34    public void testMaxColorCount32() {
35        testMaxColorCount(32);
36    }
37
38    @Test
39    @SmallTest
40    public void testMaxColorCount1() {
41        testMaxColorCount(1);
42    }
43
44    @Test
45    @SmallTest
46    public void testMaxColorCount15() {
47        testMaxColorCount(15);
48    }
49
50    private void testMaxColorCount(int colorCount) {
51        Palette newPalette = Palette.from(loadSampleBitmap())
52                .maximumColorCount(colorCount)
53                .generate();
54        assertTrue(newPalette.getSwatches().size() <= colorCount);
55    }
56}
57