assimp/test/unit/utMatrix4x4.cpp

/*
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Open Asset Import Library (assimp)
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All rights reserved.

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*/

#include "UnitTestPCH.h"

using namespace Assimp;

class utMatrix4x4Test : public ::testing::Test {

};

TEST_F( utMatrix4x4Test, badIndexOperatorTest ) {
    aiMatrix4x4 m;
    ai_real *a0 = m[ 4 ];
    EXPECT_EQ( NULL, a0 );
}

TEST_F( utMatrix4x4Test, 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 );
}