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 <cmath>
17
18 #include "gtest/gtest.h"
19
20 #include "base/geometry/quaternion.h"
21
22 using namespace testing;
23 using namespace testing::ext;
24
25 namespace OHOS::Ace {
26 namespace {
27 const double NUM_D1 = 1.0;
28 const double NUM_D2 = 0.2;
29 const double NUM_D3 = std::sin(std::acos(0.8)) / 3;
30 } // namespace
31
32 class QuaternionTest : public testing::Test {};
33
34 /**
35 * @tc.name: QuaternionTest001
36 * @tc.desc: Test all functions of the class Quaternion.
37 * @tc.type: FUNC
38 */
HWTEST_F(QuaternionTest, QuaternionTest001, TestSize.Level1)39 HWTEST_F(QuaternionTest, QuaternionTest001, TestSize.Level1)
40 {
41 Quaternion quaternion1;
42 quaternion1.SetX(NUM_D1);
43 quaternion1.SetY(NUM_D1);
44 quaternion1.SetZ(NUM_D1);
45 quaternion1.SetW(NUM_D1);
46 EXPECT_DOUBLE_EQ(quaternion1.GetX(), NUM_D1);
47 EXPECT_DOUBLE_EQ(quaternion1.GetY(), NUM_D1);
48 EXPECT_DOUBLE_EQ(quaternion1.GetZ(), NUM_D1);
49 EXPECT_DOUBLE_EQ(quaternion1.GetW(), NUM_D1);
50
51 Quaternion quaternion2 = quaternion1.inverse();
52 EXPECT_DOUBLE_EQ(quaternion2.GetX(), -NUM_D1);
53 EXPECT_DOUBLE_EQ(quaternion2.GetY(), -NUM_D1);
54 EXPECT_DOUBLE_EQ(quaternion2.GetZ(), -NUM_D1);
55 EXPECT_DOUBLE_EQ(quaternion2.GetW(), NUM_D1);
56
57 Quaternion quaternion3 = quaternion1.Slerp(quaternion2, -1.0);
58 EXPECT_DOUBLE_EQ(quaternion3.GetX(), NUM_D1);
59 EXPECT_DOUBLE_EQ(quaternion3.GetY(), NUM_D1);
60 EXPECT_DOUBLE_EQ(quaternion3.GetZ(), NUM_D1);
61 EXPECT_DOUBLE_EQ(quaternion3.GetW(), NUM_D1);
62
63 Quaternion quaternion4 = quaternion1.Slerp(quaternion2, 2.0);
64 EXPECT_DOUBLE_EQ(quaternion4.GetX(), NUM_D1);
65 EXPECT_DOUBLE_EQ(quaternion4.GetY(), NUM_D1);
66 EXPECT_DOUBLE_EQ(quaternion4.GetZ(), NUM_D1);
67 EXPECT_DOUBLE_EQ(quaternion4.GetW(), NUM_D1);
68
69 quaternion2.SetW(-NUM_D1);
70 Quaternion quaternion5 = quaternion1.Slerp(quaternion2, 1.0);
71 EXPECT_DOUBLE_EQ(quaternion5.GetX(), NUM_D1);
72 EXPECT_DOUBLE_EQ(quaternion5.GetY(), NUM_D1);
73 EXPECT_DOUBLE_EQ(quaternion5.GetZ(), NUM_D1);
74 EXPECT_DOUBLE_EQ(quaternion5.GetW(), NUM_D1);
75
76 Quaternion quaternion6(NUM_D2, NUM_D2, NUM_D2, NUM_D2);
77 Quaternion quaternion7 = quaternion1.Slerp(quaternion6, 1.0);
78 EXPECT_DOUBLE_EQ(quaternion7.GetX(), NUM_D3);
79 EXPECT_DOUBLE_EQ(quaternion7.GetY(), NUM_D3);
80 EXPECT_DOUBLE_EQ(quaternion7.GetZ(), NUM_D3);
81 EXPECT_DOUBLE_EQ(quaternion7.GetW(), NUM_D3);
82 }
83 } // namespace OHOS::Ace
84