/*
* Copyright 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "RegionTest"
#include <math.h>
#include <stdlib.h>
#include <ui/Region.h>
#include <ui/Rect.h>
#include <ui/vec4.h>
#include <gtest/gtest.h>
namespace android {
class VecTest : public testing::Test {
};
TEST_F(VecTest, Basics) {
vec4 v4;
vec3& v3(v4.xyz);
EXPECT_EQ(sizeof(vec4), sizeof(float)*4);
EXPECT_EQ(sizeof(vec3), sizeof(float)*3);
EXPECT_EQ(sizeof(vec2), sizeof(float)*2);
EXPECT_EQ((void*)&v3, (void*)&v4);
}
TEST_F(VecTest, Constructors) {
vec4 v0;
EXPECT_EQ(v0.x, 0);
EXPECT_EQ(v0.y, 0);
EXPECT_EQ(v0.z, 0);
EXPECT_EQ(v0.w, 0);
vec4 v1(1);
EXPECT_EQ(v1.x, 1);
EXPECT_EQ(v1.y, 1);
EXPECT_EQ(v1.z, 1);
EXPECT_EQ(v1.w, 1);
vec4 v2(1,2,3,4);
EXPECT_EQ(v2.x, 1);
EXPECT_EQ(v2.y, 2);
EXPECT_EQ(v2.z, 3);
EXPECT_EQ(v2.w, 4);
vec4 v3(v2);
EXPECT_EQ(v3.x, 1);
EXPECT_EQ(v3.y, 2);
EXPECT_EQ(v3.z, 3);
EXPECT_EQ(v3.w, 4);
vec4 v4(v3.xyz, 42);
EXPECT_EQ(v4.x, 1);
EXPECT_EQ(v4.y, 2);
EXPECT_EQ(v4.z, 3);
EXPECT_EQ(v4.w, 42);
vec4 v5(vec3(v2.xy, 42), 24);
EXPECT_EQ(v5.x, 1);
EXPECT_EQ(v5.y, 2);
EXPECT_EQ(v5.z, 42);
EXPECT_EQ(v5.w, 24);
tvec4<double> vd(2);
EXPECT_EQ(vd.x, 2);
EXPECT_EQ(vd.y, 2);
EXPECT_EQ(vd.z, 2);
EXPECT_EQ(vd.w, 2);
}
TEST_F(VecTest, Access) {
vec4 v0(1,2,3,4);
v0.x = 10;
v0.y = 20;
v0.z = 30;
v0.w = 40;
EXPECT_EQ(v0.x, 10);
EXPECT_EQ(v0.y, 20);
EXPECT_EQ(v0.z, 30);
EXPECT_EQ(v0.w, 40);
v0[0] = 100;
v0[1] = 200;
v0[2] = 300;
v0[3] = 400;
EXPECT_EQ(v0.x, 100);
EXPECT_EQ(v0.y, 200);
EXPECT_EQ(v0.z, 300);
EXPECT_EQ(v0.w, 400);
v0.xyz = vec3(1,2,3);
EXPECT_EQ(v0.x, 1);
EXPECT_EQ(v0.y, 2);
EXPECT_EQ(v0.z, 3);
EXPECT_EQ(v0.w, 400);
}
TEST_F(VecTest, UnaryOps) {
vec4 v0(1,2,3,4);
v0 += 1;
EXPECT_EQ(v0.x, 2);
EXPECT_EQ(v0.y, 3);
EXPECT_EQ(v0.z, 4);
EXPECT_EQ(v0.w, 5);
v0 -= 1;
EXPECT_EQ(v0.x, 1);
EXPECT_EQ(v0.y, 2);
EXPECT_EQ(v0.z, 3);
EXPECT_EQ(v0.w, 4);
v0 *= 2;
EXPECT_EQ(v0.x, 2);
EXPECT_EQ(v0.y, 4);
EXPECT_EQ(v0.z, 6);
EXPECT_EQ(v0.w, 8);
v0 /= 2;
EXPECT_EQ(v0.x, 1);
EXPECT_EQ(v0.y, 2);
EXPECT_EQ(v0.z, 3);
EXPECT_EQ(v0.w, 4);
vec4 v1(10, 20, 30, 40);
v0 += v1;
EXPECT_EQ(v0.x, 11);
EXPECT_EQ(v0.y, 22);
EXPECT_EQ(v0.z, 33);
EXPECT_EQ(v0.w, 44);
v0 -= v1;
EXPECT_EQ(v0.x, 1);
EXPECT_EQ(v0.y, 2);
EXPECT_EQ(v0.z, 3);
EXPECT_EQ(v0.w, 4);
v0 *= v1;
EXPECT_EQ(v0.x, 10);
EXPECT_EQ(v0.y, 40);
EXPECT_EQ(v0.z, 90);
EXPECT_EQ(v0.w, 160);
v0 /= v1;
EXPECT_EQ(v0.x, 1);
EXPECT_EQ(v0.y, 2);
EXPECT_EQ(v0.z, 3);
EXPECT_EQ(v0.w, 4);
++v0;
EXPECT_EQ(v0.x, 2);
EXPECT_EQ(v0.y, 3);
EXPECT_EQ(v0.z, 4);
EXPECT_EQ(v0.w, 5);
++++v0;
EXPECT_EQ(v0.x, 4);
EXPECT_EQ(v0.y, 5);
EXPECT_EQ(v0.z, 6);
EXPECT_EQ(v0.w, 7);
--v1;
EXPECT_EQ(v1.x, 9);
EXPECT_EQ(v1.y, 19);
EXPECT_EQ(v1.z, 29);
EXPECT_EQ(v1.w, 39);
v1 = -v1;
EXPECT_EQ(v1.x, -9);
EXPECT_EQ(v1.y, -19);
EXPECT_EQ(v1.z, -29);
EXPECT_EQ(v1.w, -39);
tvec4<double> dv(1,2,3,4);
v1 += dv;
EXPECT_EQ(v1.x, -8);
EXPECT_EQ(v1.y, -17);
EXPECT_EQ(v1.z, -26);
EXPECT_EQ(v1.w, -35);
}
TEST_F(VecTest, ComparisonOps) {
vec4 v0(1,2,3,4);
vec4 v1(10,20,30,40);
EXPECT_TRUE(v0 == v0);
EXPECT_TRUE(v0 != v1);
EXPECT_FALSE(v0 != v0);
EXPECT_FALSE(v0 == v1);
}
TEST_F(VecTest, ArithmeticOps) {
vec4 v0(1,2,3,4);
vec4 v1(10,20,30,40);
vec4 v2(v0 + v1);
EXPECT_EQ(v2.x, 11);
EXPECT_EQ(v2.y, 22);
EXPECT_EQ(v2.z, 33);
EXPECT_EQ(v2.w, 44);
v0 = v1 * 2;
EXPECT_EQ(v0.x, 20);
EXPECT_EQ(v0.y, 40);
EXPECT_EQ(v0.z, 60);
EXPECT_EQ(v0.w, 80);
v0 = 2 * v1;
EXPECT_EQ(v0.x, 20);
EXPECT_EQ(v0.y, 40);
EXPECT_EQ(v0.z, 60);
EXPECT_EQ(v0.w, 80);
tvec4<double> vd(2);
v0 = v1 * vd;
EXPECT_EQ(v0.x, 20);
EXPECT_EQ(v0.y, 40);
EXPECT_EQ(v0.z, 60);
EXPECT_EQ(v0.w, 80);
}
TEST_F(VecTest, ArithmeticFunc) {
vec3 east(1, 0, 0);
vec3 north(0, 1, 0);
vec3 up( cross(east, north) );
EXPECT_EQ(up, vec3(0,0,1));
EXPECT_EQ(dot(east, north), 0);
EXPECT_EQ(length(east), 1);
EXPECT_EQ(distance(east, north), sqrtf(2));
vec3 v0(1,2,3);
vec3 vn(normalize(v0));
EXPECT_FLOAT_EQ(1, length(vn));
EXPECT_FLOAT_EQ(length(v0), dot(v0, vn));
tvec3<double> vd(east);
EXPECT_EQ(length(vd), 1);
}
}; // namespace android