1 /*
2  * Copyright (C) 2024 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.wm.shell.bubbles.animation
18 
19 import androidx.test.ext.junit.runners.AndroidJUnit4
20 import androidx.test.filters.SmallTest
21 import com.google.common.truth.Truth.assertThat
22 import org.junit.Test
23 import org.junit.runner.RunWith
24 
25 /** Tests for [AnimatableScaleMatrix] */
26 @SmallTest
27 @RunWith(AndroidJUnit4::class)
28 class AnimatableScaleMatrixTest {
29 
30     @Test
test_equals_matricesWithSameValuesAreNotEqualnull31     fun test_equals_matricesWithSameValuesAreNotEqual() {
32         val matrix1 = AnimatableScaleMatrix().apply { setScale(0.5f, 0.5f) }
33         val matrix2 = AnimatableScaleMatrix().apply { setScale(0.5f, 0.5f) }
34         assertThat(matrix1).isNotEqualTo(matrix2)
35     }
36 
37     @Test
test_hashCode_remainsSameIfMatrixUpdatesnull38     fun test_hashCode_remainsSameIfMatrixUpdates() {
39         val matrix = AnimatableScaleMatrix().apply { setScale(0.5f, 0.5f) }
40         val hash1 = matrix.hashCode()
41         matrix.setScale(0.75f, 0.75f)
42         val hash2 = matrix.hashCode()
43 
44         assertThat(hash1).isEqualTo(hash2)
45     }
46 
47     @Test
test_hashCode_matricesWithSameValuesHaveDiffHashCodenull48     fun test_hashCode_matricesWithSameValuesHaveDiffHashCode() {
49         val matrix1 = AnimatableScaleMatrix().apply { setScale(0.5f, 0.5f) }
50         val matrix2 = AnimatableScaleMatrix().apply { setScale(0.5f, 0.5f) }
51         assertThat(matrix1.hashCode()).isNotEqualTo(matrix2.hashCode())
52     }
53 }
54