1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <gtest/gtest.h>
17
18 #include "wm_math.h"
19
20 using namespace testing;
21 using namespace testing::ext;
22
23 namespace OHOS {
24 namespace Rosen {
25 using namespace TransformHelper;
26 class WmMathTest : public testing::Test {
27 public:
28 static void SetUpTestCase();
29 static void TearDownTestCase();
30 virtual void SetUp() override;
31 virtual void TearDown() override;
32 };
33
SetUpTestCase()34 void WmMathTest::SetUpTestCase()
35 {
36 }
37
TearDownTestCase()38 void WmMathTest::TearDownTestCase()
39 {
40 }
41
SetUp()42 void WmMathTest::SetUp()
43 {
44 }
45
TearDown()46 void WmMathTest::TearDown()
47 {
48 }
49
50 namespace {
51 /**
52 * @tc.name: MathHalper
53 * @tc.desc: MathHalper test
54 * @tc.type: FUNC
55 */
56 HWTEST_F(WmMathTest, MathHalper, Function | SmallTest | Level2)
57 {
58 {
59 const float t = 0.5f;
60 ASSERT_EQ(true, MathHelper::NearZero(0));
61 ASSERT_EQ(true, MathHelper::NearZero(t * MathHelper::NAG_ZERO));
62 ASSERT_EQ(true, MathHelper::NearZero(t * MathHelper::POS_ZERO));
63 }
64 {
65 float radians = MathHelper::PI, degrees = 180.f;
66 ASSERT_EQ(true, MathHelper::NearZero(MathHelper::ToDegrees(radians) - degrees));
67 ASSERT_EQ(true, MathHelper::NearZero(MathHelper::ToRadians(degrees) - radians));
68 }
69 {
70 int a = 1, b = 2, c = 3, d = 4;
71 ASSERT_EQ(true, MathHelper::Max(a, b, c) == c);
72 ASSERT_EQ(true, MathHelper::Min(a, b, c) == a);
73 ASSERT_EQ(true, MathHelper::Max(a, b, c, d) == d);
74 ASSERT_EQ(true, MathHelper::Min(a, b, c, d) == a);
75 ASSERT_EQ(true, MathHelper::Clamp(a, b, c) == b);
76 ASSERT_EQ(true, MathHelper::Clamp(b, a, c) == b);
77 ASSERT_EQ(true, MathHelper::Clamp(c, a, b) == b);
78 }
79 }
80
81 /**
82 * @tc.name: TransformMatrix
83 * @tc.desc: Create transform matrix
84 * Get scale component from transform matrix
85 * Get translation component from transform matrix
86 * @tc.type: FUNC
87 */
88 HWTEST_F(WmMathTest, TransformMatrix, Function | SmallTest | Level2)
89 {
90 Vector3 scale(1.5f, 0.7f, 2.2f), translation(100.f, 132.f, 20.f);
91 Matrix4 transformMat = CreateScale(scale.x_, scale.y_, scale.z_);
92 float theta = 2.34f;
93 transformMat *= CreateRotationY(theta);
94 transformMat *= CreateTranslation(translation);
95 Vector3 scaleComp = transformMat.GetScale();
96 Vector3 translationComp = transformMat.GetTranslation();
97 ASSERT_EQ(true, MathHelper::NearZero((scale - scaleComp).Length()));
98 ASSERT_EQ(true, MathHelper::NearZero((translation - translationComp).Length()));
99 }
100 /**
101 * @tc.name: TransformWithPerspDiv
102 * @tc.desc: Create transform matrix
103 * Get scale component from transform matrix
104 * Get translation component from transform matrix
105 * @tc.type: FUNC
106 */
107 HWTEST_F(WmMathTest, TransformWithPerspDiv, Function | SmallTest | Level2)
108 {
109 Vector3 vec(1.0, 1.0, 1.0);
110 Matrix4 mat = Matrix4::Identity;
111 auto result = TransformWithPerspDiv(vec, mat, 0.5);
112 auto expect = vec * 2;
113 ASSERT_EQ(expect.x_, result.x_);
114 ASSERT_EQ(expect.y_, result.y_);
115 ASSERT_EQ(expect.z_, result.z_);
116
117 result = TransformWithPerspDiv(vec, mat, 0);
118 ASSERT_EQ(vec.x_, result.x_);
119 ASSERT_EQ(vec.y_, result.y_);
120 ASSERT_EQ(vec.z_, result.z_);
121 }
122
123 /**
124 * @tc.name: Invert
125 * @tc.desc:
126 * @tc.type: FUNC
127 */
128 HWTEST_F(WmMathTest, Invert, Function | SmallTest | Level2)
129 {
130 Matrix4 mat;
131 mat.mat_[0][0] = 0.f;
132 mat.mat_[1][0] = -1.0f;
133 mat.Invert();
134 ASSERT_EQ(false, MathHelper::NearZero(0.f - mat.mat_[1][0]));
135 }
136
137 /**
138 * @tc.name: Invert02
139 * @tc.desc:
140 * @tc.type: FUNC
141 */
142 HWTEST_F(WmMathTest, Invert02, Function | SmallTest | Level2)
143 {
144 Matrix4 mat;
145 mat.mat_[0][0] = 10.0f;
146 mat.mat_[1][0] = -1.0f;
147 mat.Invert();
148 ASSERT_EQ(false, MathHelper::NearZero(0.f - mat.mat_[1][0]));
149 }
150
151 /**
152 * @tc.name: Invert02
153 * @tc.desc:
154 * @tc.type: FUNC
155 */
156 HWTEST_F(WmMathTest, Invert03, Function | SmallTest | Level2)
157 {
158 Matrix4 mat;
159 mat.mat_[0][0] = 0.f;
160 mat.mat_[1][0] = 0.f;
161 mat.Invert();
162 ASSERT_EQ(false, MathHelper::NearZero(0.f - mat.mat_[1][0]));
163 }
164
165 /**
166 * @tc.name: Invert02
167 * @tc.desc:
168 * @tc.type: FUNC
169 */
170 HWTEST_F(WmMathTest, Invert04, Function | SmallTest | Level2)
171 {
172 Matrix4 mat;
173 mat.mat_[0][0] = 10.0f;
174 mat.mat_[1][0] = 0.f;
175 mat.Invert();
176 ASSERT_EQ(false, MathHelper::NearZero(0.f - mat.mat_[1][0]));
177 }
178 }
179 } // namespace Rosen
180 } // namespace OHOS