1 /*
2  * Copyright (C) 2019 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 com.android.server.display.color;
18 
19 import static com.google.common.truth.Truth.assertThat;
20 
21 import android.opengl.Matrix;
22 
23 import androidx.test.runner.AndroidJUnit4;
24 
25 import org.junit.Test;
26 import org.junit.runner.RunWith;
27 
28 @RunWith(AndroidJUnit4.class)
29 public class GlobalSaturationTintControllerTest {
30 
31     @Test
setAndGetMatrix()32     public void setAndGetMatrix() {
33         final GlobalSaturationTintController tintController = new GlobalSaturationTintController();
34         tintController.setMatrix(50);
35         assertThat(tintController.getMatrix()).usingTolerance(0.00001f)
36                 .containsExactly(
37                         0.6155f, 0.1155f, 0.1155f, 0.0f, 0.3575f, 0.85749996f, 0.3575f,
38                         0.0f, 0.036f, 0.036f, 0.536f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f)
39                 .inOrder();
40     }
41 
42     @Test
resetMatrix()43     public void resetMatrix() {
44         final GlobalSaturationTintController tintController = new GlobalSaturationTintController();
45         tintController.setMatrix(100);
46         final float[] matrix = new float[16];
47         Matrix.setIdentityM(matrix, 0);
48         assertThat(tintController.getMatrix()).usingTolerance(0.00001f)
49                 .containsExactly(matrix).inOrder();
50     }
51 }
52