assimp.assimp/test/unit/AssimpAPITest_aiVector3D.cpp

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#include "UnitTestPCH.h"
#include "MathTest.h"

using namespace Assimp;

class AssimpAPITest_aiVector3D : public AssimpMathTest {
protected:
    virtual void SetUp() {
        result_c = result_cpp = aiVector3D();
        temp = random_vec3(); // Generates a random 3D vector != null vector.
    }

    aiVector3D result_c, result_cpp, temp;
};

TEST_F(AssimpAPITest_aiVector3D, aiVector3AreEqualTest) {
    result_c = result_cpp = random_vec3();
    EXPECT_EQ(result_cpp == result_c,
        (bool)aiVector3AreEqual(&result_cpp, &result_c));
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3AreEqualEpsilonTest) {
    result_c = result_cpp = random_vec3();
    EXPECT_EQ(result_cpp.Equal(result_c, Epsilon),
        (bool)aiVector3AreEqualEpsilon(&result_cpp, &result_c, Epsilon));
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3LessThanTest) {
    result_c = result_cpp = random_vec3();
    EXPECT_EQ(result_cpp < temp,
        (bool)aiVector3LessThan(&result_c, &temp));
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3AddTest) {
    result_c = result_cpp = random_vec3();
    result_cpp += temp;
    aiVector3Add(&result_c, &temp);
    EXPECT_EQ(result_cpp, result_c);
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3SubtractTest) {
    result_c = result_cpp = random_vec3();
    result_cpp -= temp;
    aiVector3Subtract(&result_c, &temp);
    EXPECT_EQ(result_cpp, result_c);
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3ScaleTest) {
    const float FACTOR = RandNonZero.next();
    result_c = result_cpp = random_vec3();
    result_cpp *= FACTOR;
    aiVector3Scale(&result_c, FACTOR);
    EXPECT_EQ(result_cpp, result_c);
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3SymMulTest) {
    result_c = result_cpp = random_vec3();
    result_cpp = result_cpp.SymMul(temp);
    aiVector3SymMul(&result_c, &temp);
    EXPECT_EQ(result_cpp, result_c);
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3DivideByScalarTest) {
    const float DIVISOR = RandNonZero.next();
    result_c = result_cpp = random_vec3();
    result_cpp /= DIVISOR;
    aiVector3DivideByScalar(&result_c, DIVISOR);
    EXPECT_EQ(result_cpp, result_c);
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3DivideByVectorTest) {
    result_c = result_cpp = random_vec3();
    result_cpp = result_cpp / temp;
    aiVector3DivideByVector(&result_c, &temp);
    EXPECT_EQ(result_cpp, result_c);
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3LengthTest) {
    result_c = result_cpp = random_vec3();
    EXPECT_EQ(result_cpp.Length(), aiVector3Length(&result_c));
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3SquareLengthTest) {
    result_c = result_cpp = random_vec3();
    EXPECT_EQ(result_cpp.SquareLength(), aiVector3SquareLength(&result_c));
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3NegateTest) {
    result_c = result_cpp = random_vec3();
    aiVector3Negate(&result_c);
    EXPECT_EQ(-result_cpp, result_c);
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3DotProductTest) {
    result_c = result_cpp = random_vec3();
    EXPECT_EQ(result_cpp * result_c,
        aiVector3DotProduct(&result_cpp, &result_c));
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3CrossProductTest) {
    result_c = result_cpp = random_vec3();
    result_cpp = result_cpp ^ temp;
    aiVector3CrossProduct(&result_c, &result_c, &temp);
    EXPECT_EQ(result_cpp, result_c);
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3NormalizeTest) {
    result_c = result_cpp = random_vec3();
    aiVector3Normalize(&result_c);
    EXPECT_EQ(result_cpp.Normalize(), result_c);
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3NormalizeSafeTest) {
    result_c = result_cpp = random_vec3();
    aiVector3NormalizeSafe(&result_c);
    EXPECT_EQ(result_cpp.NormalizeSafe(), result_c);
}

TEST_F(AssimpAPITest_aiVector3D, aiVector3RotateByQuaternionTest) {
    aiVector3D v_c, v_cpp;
    v_c = v_cpp = random_vec3();
    const auto q = random_quat();
    aiVector3RotateByQuaternion(&v_c, &q);
    EXPECT_EQ(q.Rotate(v_cpp), v_c);
}

TEST_F(AssimpAPITest_aiVector3D, aiTransformVecByMatrix3Test) {
    const auto m = random_mat3();
    aiVector3D v_c, v_cpp;
    v_c = v_cpp = random_vec3();
    v_cpp *= m;
    aiTransformVecByMatrix3(&v_c, &m);
    EXPECT_EQ(v_cpp, v_c);
}

TEST_F(AssimpAPITest_aiVector3D, aiTransformVecByMatrix4Test) {
    const auto m = random_mat4();
    aiVector3D v_c, v_cpp;
    v_c = v_cpp = random_vec3();
    v_cpp *= m;
    aiTransformVecByMatrix4(&v_c, &m);
    EXPECT_EQ(v_cpp, v_c);
}