Files
vmath.hpp/untests/vmath_vec_ext_tests.cpp
2020-11-25 23:46:58 +07:00

67 lines
2.4 KiB
C++

/*******************************************************************************
* This file is part of the "https://github.com/blackmatov/vmath.hpp"
* For conditions of distribution and use, see copyright notice in LICENSE.md
* Copyright (C) 2020, by Matvey Cherevko (blackmatov@gmail.com)
******************************************************************************/
#include <vmath.hpp/vmath_vec_ext.hpp>
#define CATCH_CONFIG_FAST_COMPILE
#include <catch2/catch.hpp>
#include "vmath_tests.hpp"
namespace
{
using namespace vmath_hpp;
using namespace vmath_tests;
}
TEST_CASE("vmath/vec_ext") {
SECTION("units") {
STATIC_REQUIRE(zero2<int>() == vec2i(0,0));
STATIC_REQUIRE(zero3<int>() == vec3i(0,0,0));
STATIC_REQUIRE(zero4<int>() == vec4i(0,0,0,0));
STATIC_REQUIRE(unit2<int>() == vec2i(1,1));
STATIC_REQUIRE(unit2_x<int>() == vec2i(1,0));
STATIC_REQUIRE(unit2_y<int>() == vec2i(0,1));
STATIC_REQUIRE(unit3<int>() == vec3i(1,1,1));
STATIC_REQUIRE(unit3_x<int>() == vec3i(1,0,0));
STATIC_REQUIRE(unit3_y<int>() == vec3i(0,1,0));
STATIC_REQUIRE(unit3_z<int>() == vec3i(0,0,1));
STATIC_REQUIRE(unit4<int>() == vec4i(1,1,1,1));
STATIC_REQUIRE(unit4_x<int>() == vec4i(1,0,0,0));
STATIC_REQUIRE(unit4_y<int>() == vec4i(0,1,0,0));
STATIC_REQUIRE(unit4_z<int>() == vec4i(0,0,1,0));
STATIC_REQUIRE(unit4_w<int>() == vec4i(0,0,0,1));
}
SECTION("hash") {
REQUIRE(std::hash<vec2i>{}({1,2}) == std::hash<vec2i>{}({1,2}));
REQUIRE_FALSE(std::hash<vec2i>{}({1,2}) == std::hash<vec2i>{}({2,1}));
REQUIRE(std::hash<vec3i>{}({1,2,3}) == std::hash<vec3i>{}({1,2,3}));
REQUIRE_FALSE(std::hash<vec3i>{}({1,2,3}) == std::hash<vec3i>{}({3,2,1}));
REQUIRE(std::hash<vec4i>{}({1,2,3,4}) == std::hash<vec4i>{}({1,2,3,4}));
REQUIRE_FALSE(std::hash<vec4i>{}({1,2,3,4}) == std::hash<vec4i>{}({3,2,1,4}));
}
SECTION("cast_to") {
constexpr auto v = cast_to<int>(vec2f{1.5f});
STATIC_REQUIRE(v == vec2i(1));
STATIC_REQUIRE(std::is_same_v<decltype(v)::value_type, int>);
}
SECTION("component") {
STATIC_REQUIRE(component(vec2i{1,2}, 0) == 1);
STATIC_REQUIRE(component(vec2i{1,2}, 1) == 2);
STATIC_REQUIRE(component(vec2i{0,0}, 0, 1) == vec2i{1,0});
STATIC_REQUIRE(component(vec2i{0,0}, 1, 2) == vec2i{0,2});
}
}