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UnitTests: Add build script and move current tests to "tests/Engine" directory (from "tests/Nazara")

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Former-commit-id: 5639305bbdbb69ad6f6f282df6c6de930220b57f
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Lynix
2015-09-19 01:14:19 +02:00
parent a09f859144
commit a61f968d05
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tests/Engine/Math/Matrix4.cpp Normal file
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#include <Nazara/Math/Matrix4.hpp>
#include <Catch/catch.hpp>
SCENARIO("Matrix4", "[MATH][MATRIX4]")
{
GIVEN("Two identity matrix")
{
NzMatrix4f firstIdentity(NzMatrix4<int>::Identity());
NzMatrix4f secondIdentity(1.f, 0.f, 0.f, 0.f, 0.f, 1.f, 0.f, 0.f, 0.f, 0.f, 1.f, 0.f, 0.f, 0.f, 0.f, 1.f);
WHEN("We compare them")
{
THEN("They are equal")
{
REQUIRE(firstIdentity == secondIdentity);
}
}
WHEN("We multiply the first with a vector")
{
THEN("Vector stay the same")
{
REQUIRE(firstIdentity.Transform(NzVector2f::Unit()) == NzVector2f::Unit());
REQUIRE(firstIdentity.Transform(NzVector3f::Unit()) == NzVector3f::Unit());
REQUIRE(firstIdentity.Transform(NzVector4f(1.f, 1.f, 1.f, 1.f)) == NzVector4f(1.f, 1.f, 1.f, 1.f));
}
}
WHEN("We multiply them")
{
THEN("It keeps being a identity")
{
REQUIRE(firstIdentity.Concatenate(secondIdentity) == firstIdentity);
REQUIRE(firstIdentity.ConcatenateAffine(secondIdentity) == firstIdentity);
REQUIRE((firstIdentity * secondIdentity) == firstIdentity);
REQUIRE((1.f * firstIdentity) == firstIdentity);
REQUIRE(firstIdentity.Inverse() == secondIdentity.InverseAffine());
}
}
}
GIVEN("Two different matrix")
{
NzMatrix4f matrix1(1.0f, 0.0f, 0.0f, 0.0f,
7.0f, 2.0f, 0.0f, 0.0f,
1.0f, 5.0f, 3.0f, 0.0f,
8.0f, 9.0f, 2.0f, 4.0f);
NzMatrix4f matrix2(1.0f, 1.0f, 2.0f, -1.0f,
-2.0f, -1.0f, -2.0f, 2.0f,
4.0f, 2.0f, 5.0f, -4.0f,
5.0f, -3.0f, -7.0f, -6.0f);
WHEN("We ask for determinant")
{
THEN("These results are expected")
{
REQUIRE(matrix1.GetDeterminant() == Approx(24.f));
REQUIRE(matrix2.GetDeterminant() == Approx(-1.f));
}
}
WHEN("We multiply the matrix and its inverse")
{
NzMatrix4f invMatrix1;
matrix1.GetInverse(&invMatrix1);
NzMatrix4f invMatrix2;
matrix2.GetInverse(&invMatrix2);
THEN("We get the identity")
{
NzMatrix4f tmp = matrix1 * invMatrix1;
REQUIRE(tmp.m32 == Approx(0.f));
REQUIRE(tmp.m42 == Approx(0.f));
tmp.m32 = 0.f;
tmp.m42 = 0.f;
REQUIRE(tmp == NzMatrix4f::Identity());
REQUIRE((matrix2 * invMatrix2) == NzMatrix4f::Identity());
}
}
}
GIVEN("One transformed matrix from rotation 45 and translation 0")
{
NzMatrix4f transformedMatrix = NzMatrix4f::Transform(NzVector3f::Zero(), NzQuaternionf::Identity());
REQUIRE(transformedMatrix == NzMatrix4f::Identity());
WHEN("We compare with the right matrix")
{
THEN("Rotation around X")
{
transformedMatrix.MakeTransform(NzVector3f::Zero(), NzEulerAnglesf(NzFromDegrees(45.f), 0.f, 0.f).ToQuaternion());
NzMatrix4f rotation45X(1.f, 0.f, 0.f, 0.f,
0.f, std::sqrt(2.f) / 2.f, std::sqrt(2.f) / 2.f, 0.f,
0.f, -std::sqrt(2.f) / 2.f, std::sqrt(2.f) / 2.f, 0.f,
0.f, 0.f, 0.f, 1.f);
REQUIRE(transformedMatrix == rotation45X);
transformedMatrix.MakeTransform(NzVector3f::Unit(), NzEulerAnglesf(NzFromDegrees(45.f), 0.f, 0.f).ToQuaternion());
rotation45X.ApplyTranslation(NzVector3f::Unit());
REQUIRE(transformedMatrix == rotation45X);
}
THEN("Rotation around Y")
{
transformedMatrix.MakeTransform(NzVector3f::Zero(), NzEulerAnglesf(0.f, NzFromDegrees(45.f), 0.f).ToQuaternion());
NzMatrix4f rotation45Y(std::sqrt(2.f) / 2.f, 0.f, -std::sqrt(2.f) / 2.f, 0.f,
0.f, 1.f, 0.f, 0.f,
std::sqrt(2.f) / 2.f, 0.f, std::sqrt(2.f) / 2.f, 0.f,
0.f, 0.f, 0.f, 1.f);
REQUIRE(transformedMatrix == rotation45Y);
transformedMatrix.MakeTransform(NzVector3f::Unit(), NzEulerAnglesf(0.f, NzFromDegrees(45.f), 0.f).ToQuaternion());
rotation45Y.ApplyTranslation(NzVector3f::Unit());
REQUIRE(transformedMatrix == rotation45Y);
}
THEN("Rotation around Z")
{
transformedMatrix.MakeTransform(NzVector3f::Zero(), NzEulerAnglesf(0.f, 0.f, NzFromDegrees(45.f)).ToQuaternion());
NzMatrix4f rotation45Z( std::sqrt(2.f) / 2.f, std::sqrt(2.f) / 2.f, 0.f, 0.f,
-std::sqrt(2.f) / 2.f, std::sqrt(2.f) / 2.f, 0.f, 0.f,
0.f, 0.f, 1.f, 0.f,
0.f, 0.f, 0.f, 1.f);
REQUIRE(transformedMatrix == rotation45Z);
transformedMatrix.MakeTransform(NzVector3f::Unit(), NzEulerAnglesf(NzEulerAnglesf(0.f, 0.f, NzFromDegrees(45.f)).ToQuaternion()));
rotation45Z.ApplyTranslation(NzVector3f::Unit());
REQUIRE(transformedMatrix == rotation45Z);
}
}
}
}