131 lines
3.3 KiB
C++
131 lines
3.3 KiB
C++
/*
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* Copyright 2015-2020 Michele "King_DuckZ" Santullo
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "vectorwrapper/vectorwrapper.hpp"
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#include <gtest/gtest.h>
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#include <cstddef>
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namespace {
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struct Point {
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unsigned short int x, y, z;
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};
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} //unnamed namespace
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namespace vwr {
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template <> struct VectorWrapperInfo<unsigned short int[3]> {
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enum { dimensions = 3 };
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using scalar_type = unsigned short int;
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using vector_type = unsigned short int[3];
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using higer_vector_type = unsigned short int[4];
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enum {
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offset_x = sizeof(scalar_type) * 0,
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offset_y = sizeof(scalar_type) * 1,
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offset_z = sizeof(scalar_type) * 2
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};
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};
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template <> struct VectorWrapperInfo<unsigned short int[4]> {
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enum { dimensions = 4 };
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using scalar_type = unsigned short int;
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using vector_type = unsigned short int[4];
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using lower_vector_type = unsigned short int[3];
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enum {
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offset_x = sizeof(scalar_type) * 0,
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offset_y = sizeof(scalar_type) * 1,
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offset_z = sizeof(scalar_type) * 2,
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offset_w = sizeof(scalar_type) * 3
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};
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};
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template <> struct VectorWrapperInfo<Point> {
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enum { dimensions = 3 };
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using scalar_type = unsigned short int;
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using vector_type = Point;
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enum {
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offset_x = offsetof(Point, x),
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offset_y = offsetof(Point, y),
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offset_z = offsetof(Point, z)
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};
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};
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} //namespace vwr
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namespace {
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typedef vwr::Vec<unsigned short int[3]> vec3;
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typedef vwr::Vec<unsigned short int[4]> vec4;
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typedef vwr::Vec<Point> struct_vec3;
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} //unnamed namespace
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TEST(vwr, c_array) {
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constexpr const unsigned short int test_val = 0b1010101010101010;
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vec4 myvec4(test_val);
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vec3 myvec3(myvec4.xyz());
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EXPECT_EQ(myvec3, myvec4.xyz());
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EXPECT_EQ(test_val, myvec3.x());
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EXPECT_EQ(test_val, myvec3.y());
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EXPECT_EQ(test_val, myvec3.z());
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for (int z = 0; z < 4; ++z) {
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const auto val = myvec4.data()[z];
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EXPECT_EQ(test_val, val);
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}
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myvec4.data()[1] = 5;
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{
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unsigned short int vals[4] { test_val, 5, test_val, test_val };
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for (int z = 0; z < 4; ++z) {
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const auto val = myvec4.data()[z];
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EXPECT_EQ(vals[z], val);
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}
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}
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myvec4.w() = 0xFFFFU;
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{
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unsigned short int vals[4] { test_val, 5, test_val, 0xFFFFU };
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for (int z = 0; z < 4; ++z) {
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const auto val = myvec4.data()[z];
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EXPECT_EQ(vals[z], val);
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}
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}
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myvec3.x() = 1001U;
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myvec3.y() = 1503U;
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myvec3.z() = 2007U;
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EXPECT_EQ(4511U, myvec3.x() + myvec3.y() + myvec3.z());
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EXPECT_NE(myvec3, myvec4.xyz());
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myvec3 = vec3{800U, 900U, 1000U};
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EXPECT_EQ(800U, myvec3.x());
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EXPECT_EQ(900U, myvec3.y());
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EXPECT_EQ(1000U, myvec3.z());
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}
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TEST(vwr, c_array_interactions) {
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vec3 myvec3 {7, 11, 13};
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struct_vec3 mystructvec3 { 17, 19, 23 };
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EXPECT_NE(myvec3, mystructvec3);
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myvec3 = mystructvec3;
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EXPECT_EQ(myvec3, mystructvec3);
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mystructvec3 = vec3{29, 31, 37};
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EXPECT_NE(myvec3, mystructvec3);
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EXPECT_EQ(29, mystructvec3.x());
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EXPECT_EQ(31, mystructvec3.y());
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EXPECT_EQ(37, mystructvec3.z());
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}
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