1 /*
2  * Copyright 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 #include <gtest/gtest.h>
18 
19 #include <input/TouchVideoFrame.h>
20 
21 namespace android {
22 namespace test {
23 
24 static const struct timeval TIMESTAMP = {1, 2};
25 
TEST(TouchVideoFrame,Constructor)26 TEST(TouchVideoFrame, Constructor) {
27     const std::vector<int16_t> data = {1, 2, 3, 4, 5, 6};
28     constexpr uint32_t height = 3;
29     constexpr uint32_t width = 2;
30 
31     TouchVideoFrame frame(height, width, data, TIMESTAMP);
32 
33     ASSERT_EQ(data, frame.getData());
34     ASSERT_EQ(height, frame.getHeight());
35     ASSERT_EQ(width, frame.getWidth());
36     ASSERT_EQ(TIMESTAMP.tv_sec, frame.getTimestamp().tv_sec);
37     ASSERT_EQ(TIMESTAMP.tv_usec, frame.getTimestamp().tv_usec);
38 }
39 
TEST(TouchVideoFrame,Equality)40 TEST(TouchVideoFrame, Equality) {
41     const std::vector<int16_t> data = {1, 2, 3, 4, 5, 6};
42     constexpr uint32_t height = 3;
43     constexpr uint32_t width = 2;
44     TouchVideoFrame frame(height, width, data, TIMESTAMP);
45 
46     TouchVideoFrame identicalFrame(height, width, data, TIMESTAMP);
47     ASSERT_EQ(frame, identicalFrame);
48 
49     // The two cases below create an invalid frame, but it is OK for comparison purposes.
50     // There aren't any checks currently enforced on the frame dimensions and data
51     // Change height
52     TouchVideoFrame changedHeightFrame(height + 1, width, data, TIMESTAMP);
53     ASSERT_FALSE(frame == changedHeightFrame);
54 
55     // Change width
56     TouchVideoFrame changedWidthFrame(height, width + 1, data, TIMESTAMP);
57     ASSERT_FALSE(frame == changedWidthFrame);
58 
59     // Change data
60     const std::vector<int16_t> differentData = {1, 2, 3, 3, 5, 6};
61     TouchVideoFrame changedDataFrame(height, width, differentData, TIMESTAMP);
62     ASSERT_FALSE(frame == changedDataFrame);
63 
64     // Change timestamp
65     const struct timeval differentTimestamp = {TIMESTAMP.tv_sec + 1, TIMESTAMP.tv_usec + 1};
66     TouchVideoFrame changedTimestampFrame(height, width, data, differentTimestamp);
67     ASSERT_FALSE(frame == changedTimestampFrame);
68 }
69 
70 // --- Rotate 90 degrees ---
71 
TEST(TouchVideoFrame,Rotate90_0x0)72 TEST(TouchVideoFrame, Rotate90_0x0) {
73     TouchVideoFrame frame(0, 0, {}, TIMESTAMP);
74     TouchVideoFrame frameRotated(0, 0, {}, TIMESTAMP);
75     frame.rotate(DISPLAY_ORIENTATION_90);
76     ASSERT_EQ(frame, frameRotated);
77 }
78 
TEST(TouchVideoFrame,Rotate90_1x1)79 TEST(TouchVideoFrame, Rotate90_1x1) {
80     TouchVideoFrame frame(1, 1, {1}, TIMESTAMP);
81     TouchVideoFrame frameRotated(1, 1, {1}, TIMESTAMP);
82     frame.rotate(DISPLAY_ORIENTATION_90);
83     ASSERT_EQ(frame, frameRotated);
84 }
85 
TEST(TouchVideoFrame,Rotate90_2x2)86 TEST(TouchVideoFrame, Rotate90_2x2) {
87     TouchVideoFrame frame(2, 2, {1, 2, 3, 4}, TIMESTAMP);
88     TouchVideoFrame frameRotated(2, 2, {2, 4, 1, 3}, TIMESTAMP);
89     frame.rotate(DISPLAY_ORIENTATION_90);
90     ASSERT_EQ(frame, frameRotated);
91 }
92 
TEST(TouchVideoFrame,Rotate90_3x2)93 TEST(TouchVideoFrame, Rotate90_3x2) {
94     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
95     TouchVideoFrame frameRotated(2, 3, {2, 4, 6, 1, 3, 5}, TIMESTAMP);
96     frame.rotate(DISPLAY_ORIENTATION_90);
97     ASSERT_EQ(frame, frameRotated);
98 }
99 
TEST(TouchVideoFrame,Rotate90_3x2_4times)100 TEST(TouchVideoFrame, Rotate90_3x2_4times) {
101     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
102     TouchVideoFrame frameOriginal(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
103     frame.rotate(DISPLAY_ORIENTATION_90);
104     frame.rotate(DISPLAY_ORIENTATION_90);
105     frame.rotate(DISPLAY_ORIENTATION_90);
106     frame.rotate(DISPLAY_ORIENTATION_90);
107     ASSERT_EQ(frame, frameOriginal);
108 }
109 
110 // --- Rotate 180 degrees ---
111 
TEST(TouchVideoFrame,Rotate180_0x0)112 TEST(TouchVideoFrame, Rotate180_0x0) {
113     TouchVideoFrame frame(0, 0, {}, TIMESTAMP);
114     TouchVideoFrame frameRotated(0, 0, {}, TIMESTAMP);
115     frame.rotate(DISPLAY_ORIENTATION_180);
116     ASSERT_EQ(frame, frameRotated);
117 }
118 
TEST(TouchVideoFrame,Rotate180_1x1)119 TEST(TouchVideoFrame, Rotate180_1x1) {
120     TouchVideoFrame frame(1, 1, {1}, TIMESTAMP);
121     TouchVideoFrame frameRotated(1, 1, {1}, TIMESTAMP);
122     frame.rotate(DISPLAY_ORIENTATION_180);
123     ASSERT_EQ(frame, frameRotated);
124 }
125 
TEST(TouchVideoFrame,Rotate180_2x2)126 TEST(TouchVideoFrame, Rotate180_2x2) {
127     TouchVideoFrame frame(2, 2, {1, 2, 3, 4}, TIMESTAMP);
128     TouchVideoFrame frameRotated(2, 2, {4, 3, 2, 1}, TIMESTAMP);
129     frame.rotate(DISPLAY_ORIENTATION_180);
130     ASSERT_EQ(frame, frameRotated);
131 }
132 
TEST(TouchVideoFrame,Rotate180_3x2)133 TEST(TouchVideoFrame, Rotate180_3x2) {
134     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
135     TouchVideoFrame frameRotated(3, 2, {6, 5, 4, 3, 2, 1}, TIMESTAMP);
136     frame.rotate(DISPLAY_ORIENTATION_180);
137     ASSERT_EQ(frame, frameRotated);
138 }
139 
TEST(TouchVideoFrame,Rotate180_3x2_2times)140 TEST(TouchVideoFrame, Rotate180_3x2_2times) {
141     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
142     TouchVideoFrame frameOriginal(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
143     frame.rotate(DISPLAY_ORIENTATION_180);
144     frame.rotate(DISPLAY_ORIENTATION_180);
145     ASSERT_EQ(frame, frameOriginal);
146 }
147 
TEST(TouchVideoFrame,Rotate180_3x3)148 TEST(TouchVideoFrame, Rotate180_3x3) {
149     TouchVideoFrame frame(3, 3, {1, 2, 3, 4, 5, 6, 7, 8, 9}, TIMESTAMP);
150     TouchVideoFrame frameRotated(3, 3, {9, 8, 7, 6, 5, 4, 3, 2, 1}, TIMESTAMP);
151     frame.rotate(DISPLAY_ORIENTATION_180);
152     ASSERT_EQ(frame, frameRotated);
153 }
154 
155 // --- Rotate 270 degrees ---
156 
TEST(TouchVideoFrame,Rotate270_0x0)157 TEST(TouchVideoFrame, Rotate270_0x0) {
158     TouchVideoFrame frame(0, 0, {}, TIMESTAMP);
159     TouchVideoFrame frameRotated(0, 0, {}, TIMESTAMP);
160     frame.rotate(DISPLAY_ORIENTATION_270);
161     ASSERT_EQ(frame, frameRotated);
162 }
163 
TEST(TouchVideoFrame,Rotate270_1x1)164 TEST(TouchVideoFrame, Rotate270_1x1) {
165     TouchVideoFrame frame(1, 1, {1}, TIMESTAMP);
166     TouchVideoFrame frameRotated(1, 1, {1}, TIMESTAMP);
167     frame.rotate(DISPLAY_ORIENTATION_270);
168     ASSERT_EQ(frame, frameRotated);
169 }
170 
TEST(TouchVideoFrame,Rotate270_2x2)171 TEST(TouchVideoFrame, Rotate270_2x2) {
172     TouchVideoFrame frame(2, 2, {1, 2, 3, 4}, TIMESTAMP);
173     TouchVideoFrame frameRotated(2, 2, {3, 1, 4, 2}, TIMESTAMP);
174     frame.rotate(DISPLAY_ORIENTATION_270);
175     ASSERT_EQ(frame, frameRotated);
176 }
177 
TEST(TouchVideoFrame,Rotate270_3x2)178 TEST(TouchVideoFrame, Rotate270_3x2) {
179     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
180     TouchVideoFrame frameRotated(2, 3, {5, 3, 1, 6, 4, 2}, TIMESTAMP);
181     frame.rotate(DISPLAY_ORIENTATION_270);
182     ASSERT_EQ(frame, frameRotated);
183 }
184 
TEST(TouchVideoFrame,Rotate270_3x2_4times)185 TEST(TouchVideoFrame, Rotate270_3x2_4times) {
186     TouchVideoFrame frame(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
187     TouchVideoFrame frameOriginal(3, 2, {1, 2, 3, 4, 5, 6}, TIMESTAMP);
188     frame.rotate(DISPLAY_ORIENTATION_270);
189     frame.rotate(DISPLAY_ORIENTATION_270);
190     frame.rotate(DISPLAY_ORIENTATION_270);
191     frame.rotate(DISPLAY_ORIENTATION_270);
192     ASSERT_EQ(frame, frameOriginal);
193 }
194 
195 } // namespace test
196 } // namespace android
197