Files
vmath.hpp/untests/vmath_mat_ext_tests.cpp
2020-11-26 00:40:47 +07:00

89 lines
3.7 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_mat_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/mat_ext") {
SECTION("units") {
STATIC_REQUIRE(zero2x2<int>() == int2x2(0,0,0,0));
STATIC_REQUIRE(zero3x3<int>() == int3x3(0,0,0,0,0,0,0,0,0));
STATIC_REQUIRE(zero4x4<int>() == int4x4(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0));
STATIC_REQUIRE(unit2x2<int>() == int2x2(1,1,1,1));
STATIC_REQUIRE(unit3x3<int>() == int3x3(1,1,1,1,1,1,1,1,1));
STATIC_REQUIRE(unit4x4<int>() == int4x4(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1));
STATIC_REQUIRE(identity2x2<int>() == int2x2());
STATIC_REQUIRE(identity3x3<int>() == int3x3());
STATIC_REQUIRE(identity4x4<int>() == int4x4());
}
SECTION("hash") {
REQUIRE(std::hash<int2x2>{}({1,2,3,4}) == std::hash<int2x2>{}({1,2,3,4}));
REQUIRE_FALSE(std::hash<int2x2>{}({1,2,3,4}) == std::hash<int2x2>{}({1,2,4,3}));
}
SECTION("cast_to") {
constexpr auto m = cast_to<int>(float2x2{1.5f});
STATIC_REQUIRE(m == int2x2(1));
STATIC_REQUIRE(std::is_same_v<decltype(m)::row_type, int2>);
}
SECTION("row") {
STATIC_REQUIRE(row(int2x2(1,2,3,4), 0) == int2(1,2));
STATIC_REQUIRE(row(int2x2(1,2,3,4), 1) == int2(3,4));
STATIC_REQUIRE(row(int2x2(), 0, {1,2}) == int2x2(1,2,0,1));
STATIC_REQUIRE(row(int2x2(), 1, {3,4}) == int2x2(1,0,3,4));
}
SECTION("column") {
STATIC_REQUIRE(column(int2x2(1,2,3,4), 0) == int2(1,3));
STATIC_REQUIRE(column(int2x2(1,2,3,4), 1) == int2(2,4));
STATIC_REQUIRE(column(int2x2(), 0, {2,3}) == int2x2(2,0,3,1));
STATIC_REQUIRE(column(int2x2(), 1, {3,4}) == int2x2(1,3,0,4));
}
SECTION("translate") {
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * translate(1.f,2.f,3.f) == approx4(3.f,5.f,7.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * translate(float3{1.f,2.f,3.f}) == approx4(3.f,5.f,7.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * translate(translate(1.f,2.f,3.f), 1.f,2.f,3.f) == approx4(4.f,7.f,10.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * translate(translate(1.f,2.f,3.f), float3{1.f,2.f,3.f}) == approx4(4.f,7.f,10.f,1.f));
}
SECTION("rotate") {
constexpr float pi = radians(180.f);
constexpr float pi_2 = radians(90.f);
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(pi,0.f,0.f,1.f) == approx4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(pi,float3{0.f,0.f,1.f}) == approx4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(rotate(pi_2,0.f,0.f,1.f),pi_2,0.f,0.f,1.f) == approx4(-2.f,-3.f,4.f,1.f));
REQUIRE(float4(2.f,3.f,4.f,1.f) * rotate(rotate(pi_2,0.f,0.f,1.f),pi_2,float3{0.f,0.f,1.f}) == approx4(-2.f,-3.f,4.f,1.f));
}
SECTION("scale") {
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * scale(2.f,3.f,4.f) == approx4(4.f,9.f,16.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * scale(float3{2.f,3.f,4.f}) == approx4(4.f,9.f,16.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * scale(scale(2.f,2.f,2.f), 2.f,3.f,4.f) == approx4(8.f,18.f,32.f,1.f));
STATIC_REQUIRE(float4(2.f,3.f,4.f,1.f) * scale(scale(2.f,2.f,2.f), float3{2.f,3.f,4.f}) == approx4(8.f,18.f,32.f,1.f));
}
}