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#include <cxxtest/TestSuite.h>
#include <libnr/nr-scale.h>
#include <libnr/nr-scale-ops.h>
using NR::X;
using NR::Y;
class NrScaleTest : public CxxTest::TestSuite
{
public:
NrScaleTest() :
sa( 1.5, 2.0 ),
b( -2.0, 3.0 ),
sb( b )
{
}
virtual ~NrScaleTest() {}
// createSuite and destroySuite get us per-suite setup and teardown
// without us having to worry about static initialization order, etc.
static NrScaleTest *createSuite() { return new NrScaleTest(); }
static void destroySuite( NrScaleTest *suite ) { delete suite; }
NR::scale const sa;
NR::Point const b;
NR::scale const sb;
void testXY_CtorArrayOperator(void)
{
TS_ASSERT_EQUALS( sa[X], 1.5 );
TS_ASSERT_EQUALS( sa[Y], 2.0 );
TS_ASSERT_EQUALS( sa[0u], 1.5 );
TS_ASSERT_EQUALS( sa[1u], 2.0 );
}
void testCopyCtor_AssignmentOp_NotEquals(void)
{
NR::scale const sa_copy(sa);
TS_ASSERT_EQUALS( sa, sa_copy );
TS_ASSERT(!( sa != sa_copy ));
TS_ASSERT( sa != sb );
}
void testAssignmentOp(void)
{
NR::scale sa_eq(sb);
sa_eq = sa;
TS_ASSERT_EQUALS( sa, sa_eq );
}
void testPointCtor(void)
{
TS_ASSERT_EQUALS( sb[X], b[X] );
TS_ASSERT_EQUALS( sb[Y], b[Y] );
}
void testOpStarPointScale(void)
{
NR::Point const ab( b * sa );
TS_ASSERT_EQUALS( ab, NR::Point(-3.0, 6.0) );
}
void testOpStarScaleScale(void)
{
NR::scale const sab( sa * sb );
TS_ASSERT_EQUALS( sab, NR::scale(-3.0, 6.0) );
}
void testOpDivScaleScale(void)
{
NR::scale const sa_b( sa / sb );
NR::scale const exp_sa_b(-0.75, 2./3.);
TS_ASSERT_EQUALS( sa_b[0], exp_sa_b[0] );
// TS_ASSERT_EQUALS( fabs( sa_b[1] - exp_sa_b[1] ) < 1e-10 );
TS_ASSERT_DELTA( sa_b[1], exp_sa_b[1], 1e-10 );
}
};
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
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