1 /* 2 * Copyright 2013 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 #define LOG_TAG "RegionTest" 18 19 #include <stdlib.h> 20 #include <ui/Region.h> 21 #include <ui/Rect.h> 22 #include <gtest/gtest.h> 23 24 #include <ui/vec4.h> 25 26 namespace android { 27 28 class VecTest : public testing::Test { 29 protected: 30 }; 31 32 TEST_F(VecTest, Basics) { 33 vec4 v4; 34 vec3& v3(v4.xyz); 35 36 EXPECT_EQ(sizeof(vec4), sizeof(float)*4); 37 EXPECT_EQ(sizeof(vec3), sizeof(float)*3); 38 EXPECT_EQ(sizeof(vec2), sizeof(float)*2); 39 EXPECT_EQ((void*)&v3, (void*)&v4); 40 } 41 42 TEST_F(VecTest, Constructors) { 43 vec4 v0; 44 EXPECT_EQ(v0.x, 0); 45 EXPECT_EQ(v0.y, 0); 46 EXPECT_EQ(v0.z, 0); 47 EXPECT_EQ(v0.w, 0); 48 49 vec4 v1(1); 50 EXPECT_EQ(v1.x, 1); 51 EXPECT_EQ(v1.y, 1); 52 EXPECT_EQ(v1.z, 1); 53 EXPECT_EQ(v1.w, 1); 54 55 vec4 v2(1,2,3,4); 56 EXPECT_EQ(v2.x, 1); 57 EXPECT_EQ(v2.y, 2); 58 EXPECT_EQ(v2.z, 3); 59 EXPECT_EQ(v2.w, 4); 60 61 vec4 v3(v2); 62 EXPECT_EQ(v3.x, 1); 63 EXPECT_EQ(v3.y, 2); 64 EXPECT_EQ(v3.z, 3); 65 EXPECT_EQ(v3.w, 4); 66 67 vec4 v4(v3.xyz, 42); 68 EXPECT_EQ(v4.x, 1); 69 EXPECT_EQ(v4.y, 2); 70 EXPECT_EQ(v4.z, 3); 71 EXPECT_EQ(v4.w, 42); 72 73 vec4 v5(vec3(v2.xy, 42), 24); 74 EXPECT_EQ(v5.x, 1); 75 EXPECT_EQ(v5.y, 2); 76 EXPECT_EQ(v5.z, 42); 77 EXPECT_EQ(v5.w, 24); 78 79 tvec4<double> vd(2); 80 EXPECT_EQ(vd.x, 2); 81 EXPECT_EQ(vd.y, 2); 82 EXPECT_EQ(vd.z, 2); 83 EXPECT_EQ(vd.w, 2); 84 } 85 86 TEST_F(VecTest, Access) { 87 vec4 v0(1,2,3,4); 88 v0.x = 10; 89 v0.y = 20; 90 v0.z = 30; 91 v0.w = 40; 92 EXPECT_EQ(v0.x, 10); 93 EXPECT_EQ(v0.y, 20); 94 EXPECT_EQ(v0.z, 30); 95 EXPECT_EQ(v0.w, 40); 96 97 v0[0] = 100; 98 v0[1] = 200; 99 v0[2] = 300; 100 v0[3] = 400; 101 EXPECT_EQ(v0.x, 100); 102 EXPECT_EQ(v0.y, 200); 103 EXPECT_EQ(v0.z, 300); 104 EXPECT_EQ(v0.w, 400); 105 106 v0.xyz = vec3(1,2,3); 107 EXPECT_EQ(v0.x, 1); 108 EXPECT_EQ(v0.y, 2); 109 EXPECT_EQ(v0.z, 3); 110 EXPECT_EQ(v0.w, 400); 111 } 112 113 TEST_F(VecTest, UnaryOps) { 114 vec4 v0(1,2,3,4); 115 116 v0 += 1; 117 EXPECT_EQ(v0.x, 2); 118 EXPECT_EQ(v0.y, 3); 119 EXPECT_EQ(v0.z, 4); 120 EXPECT_EQ(v0.w, 5); 121 122 v0 -= 1; 123 EXPECT_EQ(v0.x, 1); 124 EXPECT_EQ(v0.y, 2); 125 EXPECT_EQ(v0.z, 3); 126 EXPECT_EQ(v0.w, 4); 127 128 v0 *= 2; 129 EXPECT_EQ(v0.x, 2); 130 EXPECT_EQ(v0.y, 4); 131 EXPECT_EQ(v0.z, 6); 132 EXPECT_EQ(v0.w, 8); 133 134 v0 /= 2; 135 EXPECT_EQ(v0.x, 1); 136 EXPECT_EQ(v0.y, 2); 137 EXPECT_EQ(v0.z, 3); 138 EXPECT_EQ(v0.w, 4); 139 140 vec4 v1(10, 20, 30, 40); 141 142 v0 += v1; 143 EXPECT_EQ(v0.x, 11); 144 EXPECT_EQ(v0.y, 22); 145 EXPECT_EQ(v0.z, 33); 146 EXPECT_EQ(v0.w, 44); 147 148 v0 -= v1; 149 EXPECT_EQ(v0.x, 1); 150 EXPECT_EQ(v0.y, 2); 151 EXPECT_EQ(v0.z, 3); 152 EXPECT_EQ(v0.w, 4); 153 154 v0 *= v1; 155 EXPECT_EQ(v0.x, 10); 156 EXPECT_EQ(v0.y, 40); 157 EXPECT_EQ(v0.z, 90); 158 EXPECT_EQ(v0.w, 160); 159 160 v0 /= v1; 161 EXPECT_EQ(v0.x, 1); 162 EXPECT_EQ(v0.y, 2); 163 EXPECT_EQ(v0.z, 3); 164 EXPECT_EQ(v0.w, 4); 165 166 ++v0; 167 EXPECT_EQ(v0.x, 2); 168 EXPECT_EQ(v0.y, 3); 169 EXPECT_EQ(v0.z, 4); 170 EXPECT_EQ(v0.w, 5); 171 172 ++++v0; 173 EXPECT_EQ(v0.x, 4); 174 EXPECT_EQ(v0.y, 5); 175 EXPECT_EQ(v0.z, 6); 176 EXPECT_EQ(v0.w, 7); 177 178 --v1; 179 EXPECT_EQ(v1.x, 9); 180 EXPECT_EQ(v1.y, 19); 181 EXPECT_EQ(v1.z, 29); 182 EXPECT_EQ(v1.w, 39); 183 184 v1 = -v1; 185 EXPECT_EQ(v1.x, -9); 186 EXPECT_EQ(v1.y, -19); 187 EXPECT_EQ(v1.z, -29); 188 EXPECT_EQ(v1.w, -39); 189 190 tvec4<double> dv(1,2,3,4); 191 v1 += dv; 192 EXPECT_EQ(v1.x, -8); 193 EXPECT_EQ(v1.y, -17); 194 EXPECT_EQ(v1.z, -26); 195 EXPECT_EQ(v1.w, -35); 196 } 197 198 TEST_F(VecTest, ComparisonOps) { 199 vec4 v0(1,2,3,4); 200 vec4 v1(10,20,30,40); 201 202 EXPECT_TRUE(v0 == v0); 203 EXPECT_TRUE(v0 != v1); 204 EXPECT_FALSE(v0 != v0); 205 EXPECT_FALSE(v0 == v1); 206 } 207 208 TEST_F(VecTest, ArithmeticOps) { 209 vec4 v0(1,2,3,4); 210 vec4 v1(10,20,30,40); 211 212 vec4 v2(v0 + v1); 213 EXPECT_EQ(v2.x, 11); 214 EXPECT_EQ(v2.y, 22); 215 EXPECT_EQ(v2.z, 33); 216 EXPECT_EQ(v2.w, 44); 217 218 v0 = v1 * 2; 219 EXPECT_EQ(v0.x, 20); 220 EXPECT_EQ(v0.y, 40); 221 EXPECT_EQ(v0.z, 60); 222 EXPECT_EQ(v0.w, 80); 223 224 v0 = 2 * v1; 225 EXPECT_EQ(v0.x, 20); 226 EXPECT_EQ(v0.y, 40); 227 EXPECT_EQ(v0.z, 60); 228 EXPECT_EQ(v0.w, 80); 229 230 tvec4<double> vd(2); 231 v0 = v1 * vd; 232 EXPECT_EQ(v0.x, 20); 233 EXPECT_EQ(v0.y, 40); 234 EXPECT_EQ(v0.z, 60); 235 EXPECT_EQ(v0.w, 80); 236 } 237 238 TEST_F(VecTest, ArithmeticFunc) { 239 vec3 east(1, 0, 0); 240 vec3 north(0, 1, 0); 241 vec3 up( cross(east, north) ); 242 EXPECT_EQ(up, vec3(0,0,1)); 243 EXPECT_EQ(dot(east, north), 0); 244 EXPECT_EQ(length(east), 1); 245 EXPECT_EQ(distance(east, north), sqrtf(2)); 246 247 vec3 v0(1,2,3); 248 vec3 vn(normalize(v0)); 249 EXPECT_FLOAT_EQ(1, length(vn)); 250 EXPECT_FLOAT_EQ(length(v0), dot(v0, vn)); 251 252 tvec3<double> vd(east); 253 EXPECT_EQ(length(vd), 1); 254 } 255 256 }; // namespace android 257
