assimp/test/unit/utMatrix4x4.cpp

/*
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Open Asset Import Library (assimp)
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*/

#include "UnitTestPCH.h"

using namespace Assimp;

class utMatrix4x4 : public ::testing::Test {
};

TEST_F(utMatrix4x4, badIndexOperatorTest) {
    aiMatrix4x4 m;
    ai_real *a0 = m[4];
    EXPECT_EQ(NULL, a0);
}

TEST_F(utMatrix4x4, indexOperatorTest) {
    aiMatrix4x4 m;
    ai_real *a0 = m[0];
    EXPECT_FLOAT_EQ(1.0, *a0);
    ai_real *a1 = a0 + 1;
    EXPECT_FLOAT_EQ(0.0, *a1);
    ai_real *a2 = a0 + 2;
    EXPECT_FLOAT_EQ(0.0, *a2);
    ai_real *a3 = a0 + 3;
    EXPECT_FLOAT_EQ(0.0, *a3);

    ai_real *a4 = m[1];
    EXPECT_FLOAT_EQ(0.0, *a4);
    ai_real *a5 = a4 + 1;
    EXPECT_FLOAT_EQ(1.0, *a5);
    ai_real *a6 = a4 + 2;
    EXPECT_FLOAT_EQ(0.0, *a6);
    ai_real *a7 = a4 + 3;
    EXPECT_FLOAT_EQ(0.0, *a7);

    ai_real *a8 = m[2];
    EXPECT_FLOAT_EQ(0.0, *a8);
    ai_real *a9 = a8 + 1;
    EXPECT_FLOAT_EQ(0.0, *a9);
    ai_real *a10 = a8 + 2;
    EXPECT_FLOAT_EQ(1.0, *a10);
    ai_real *a11 = a8 + 3;
    EXPECT_FLOAT_EQ(0.0, *a11);

    ai_real *a12 = m[3];
    EXPECT_FLOAT_EQ(0.0, *a12);
    ai_real *a13 = a12 + 1;
    EXPECT_FLOAT_EQ(0.0, *a13);
    ai_real *a14 = a12 + 2;
    EXPECT_FLOAT_EQ(0.0, *a14);
    ai_real *a15 = a12 + 3;
    EXPECT_FLOAT_EQ(1.0, *a15);
}