Mathias Agopian | 595ea77 | 2013-08-21 23:10:41 -0700 | [diff] [blame^] | 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/mat4.h> |
| 25 | |
| 26 | namespace android { |
| 27 | |
| 28 | class MatTest : public testing::Test { |
| 29 | protected: |
| 30 | }; |
| 31 | |
| 32 | TEST_F(MatTest, Basics) { |
| 33 | mat4 m0; |
| 34 | EXPECT_EQ(sizeof(mat4), sizeof(float)*16); |
| 35 | } |
| 36 | |
| 37 | TEST_F(MatTest, ComparisonOps) { |
| 38 | mat4 m0; |
| 39 | mat4 m1(2); |
| 40 | |
| 41 | EXPECT_TRUE(m0 == m0); |
| 42 | EXPECT_TRUE(m0 != m1); |
| 43 | EXPECT_FALSE(m0 != m0); |
| 44 | EXPECT_FALSE(m0 == m1); |
| 45 | } |
| 46 | |
| 47 | TEST_F(MatTest, Constructors) { |
| 48 | mat4 m0; |
| 49 | ASSERT_EQ(m0[0].x, 1); |
| 50 | ASSERT_EQ(m0[0].y, 0); |
| 51 | ASSERT_EQ(m0[0].z, 0); |
| 52 | ASSERT_EQ(m0[0].w, 0); |
| 53 | ASSERT_EQ(m0[1].x, 0); |
| 54 | ASSERT_EQ(m0[1].y, 1); |
| 55 | ASSERT_EQ(m0[1].z, 0); |
| 56 | ASSERT_EQ(m0[1].w, 0); |
| 57 | ASSERT_EQ(m0[2].x, 0); |
| 58 | ASSERT_EQ(m0[2].y, 0); |
| 59 | ASSERT_EQ(m0[2].z, 1); |
| 60 | ASSERT_EQ(m0[2].w, 0); |
| 61 | ASSERT_EQ(m0[3].x, 0); |
| 62 | ASSERT_EQ(m0[3].y, 0); |
| 63 | ASSERT_EQ(m0[3].z, 0); |
| 64 | ASSERT_EQ(m0[3].w, 1); |
| 65 | |
| 66 | mat4 m1(2); |
| 67 | mat4 m2(vec4(2)); |
| 68 | mat4 m3(m2); |
| 69 | |
| 70 | EXPECT_EQ(m1, m2); |
| 71 | EXPECT_EQ(m2, m3); |
| 72 | EXPECT_EQ(m3, m1); |
| 73 | |
| 74 | mat4 m4(vec4(1), vec4(2), vec4(3), vec4(4)); |
| 75 | } |
| 76 | |
| 77 | TEST_F(MatTest, ArithmeticOps) { |
| 78 | mat4 m0; |
| 79 | mat4 m1(2); |
| 80 | mat4 m2(vec4(2)); |
| 81 | |
| 82 | m1 += m2; |
| 83 | EXPECT_EQ(mat4(4), m1); |
| 84 | |
| 85 | m2 -= m1; |
| 86 | EXPECT_EQ(mat4(-2), m2); |
| 87 | |
| 88 | m1 *= 2; |
| 89 | EXPECT_EQ(mat4(8), m1); |
| 90 | |
| 91 | m1 /= 2; |
| 92 | EXPECT_EQ(mat4(4), m1); |
| 93 | |
| 94 | m0 = -m0; |
| 95 | EXPECT_EQ(mat4(-1), m0); |
| 96 | } |
| 97 | |
| 98 | TEST_F(MatTest, UnaryOps) { |
| 99 | const mat4 identity; |
| 100 | mat4 m0; |
| 101 | |
| 102 | ++m0; |
| 103 | EXPECT_EQ(mat4( vec4(2,1,1,1), vec4(1,2,1,1), vec4(1,1,2,1), vec4(1,1,1,2) ), m0); |
| 104 | EXPECT_EQ(mat4( -vec4(2,1,1,1), -vec4(1,2,1,1), -vec4(1,1,2,1), -vec4(1,1,1,2) ), -m0); |
| 105 | |
| 106 | --m0; |
| 107 | EXPECT_EQ(identity, m0); |
| 108 | } |
| 109 | |
| 110 | TEST_F(MatTest, MiscOps) { |
| 111 | const mat4 identity; |
| 112 | mat4 m0; |
| 113 | EXPECT_EQ(4, trace(m0)); |
| 114 | |
| 115 | mat4 m1(vec4(1,2,3,4), vec4(5,6,7,8), vec4(9,10,11,12), vec4(13,14,15,16)); |
| 116 | mat4 m2(vec4(1,5,9,13), vec4(2,6,10,14), vec4(3,7,11,15), vec4(4,8,12,16)); |
| 117 | EXPECT_EQ(m1, transpose(m2)); |
| 118 | EXPECT_EQ(m2, transpose(m1)); |
| 119 | EXPECT_EQ(vec4(1,6,11,16), diag(m1)); |
| 120 | |
| 121 | EXPECT_EQ(identity, inverse(identity)); |
| 122 | |
| 123 | mat4 m3(vec4(4,3,0,0), vec4(3,2,0,0), vec4(0,0,1,0), vec4(0,0,0,1)); |
| 124 | mat4 m3i(inverse(m3)); |
| 125 | EXPECT_FLOAT_EQ(-2, m3i[0][0]); |
| 126 | EXPECT_FLOAT_EQ( 3, m3i[0][1]); |
| 127 | EXPECT_FLOAT_EQ( 3, m3i[1][0]); |
| 128 | EXPECT_FLOAT_EQ(-4, m3i[1][1]); |
| 129 | |
| 130 | mat4 m3ii(inverse(m3i)); |
| 131 | EXPECT_FLOAT_EQ(m3[0][0], m3ii[0][0]); |
| 132 | EXPECT_FLOAT_EQ(m3[0][1], m3ii[0][1]); |
| 133 | EXPECT_FLOAT_EQ(m3[1][0], m3ii[1][0]); |
| 134 | EXPECT_FLOAT_EQ(m3[1][1], m3ii[1][1]); |
| 135 | |
| 136 | EXPECT_EQ(m1, m1*identity); |
| 137 | } |
| 138 | |
| 139 | }; // namespace android |