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#include <cxxtest/TestSuite.h>
#include <glib/gmacros.h>
#include <cmath>
#include "libnr/in-svg-plane.h"
#include "2geom/isnan.h"
class InSvgPlaneTest : public CxxTest::TestSuite
{
public:
InSvgPlaneTest() :
setupValid(true),
p3n4( 3.0, -4.0 ),
p0(0.0, 0.0),
small( pow(2.0, -1070) ),
inf( 1e400 ),
nan( inf - inf ),
small_left( -small, 0.0 ),
small_n3_4( -3.0 * small, 4.0 * small ),
part_nan( 3., nan )
{
setupValid &= IS_NAN(nan);
setupValid &= !IS_NAN(small);
}
virtual ~InSvgPlaneTest() {}
// createSuite and destroySuite get us per-suite setup and teardown
// without us having to worry about static initialization order, etc.
static InSvgPlaneTest *createSuite() { return new InSvgPlaneTest(); }
static void destroySuite( InSvgPlaneTest *suite ) { delete suite; }
// Called before each test in this suite
void setUp()
{
TS_ASSERT( setupValid );
}
bool setupValid;
NR::Point const p3n4;
NR::Point const p0;
double const small;
double const inf;
double const nan;
NR::Point const small_left;
NR::Point const small_n3_4;
NR::Point const part_nan;
void testInSvgPlane(void)
{
TS_ASSERT( in_svg_plane(p3n4) );
TS_ASSERT( in_svg_plane(p0) );
TS_ASSERT( in_svg_plane(small_left) );
TS_ASSERT( in_svg_plane(small_n3_4) );
TS_ASSERT_DIFFERS( nan, nan );
TS_ASSERT( !in_svg_plane(NR::Point(nan, 3.)) );
TS_ASSERT( !in_svg_plane(NR::Point(inf, nan)) );
TS_ASSERT( !in_svg_plane(NR::Point(0., -inf)) );
double const xs[] = {inf, -inf, nan, 1., -2., small, -small};
for (unsigned i = 0; i < G_N_ELEMENTS(xs); ++i) {
for (unsigned j = 0; j < G_N_ELEMENTS(xs); ++j) {
TS_ASSERT_EQUALS( in_svg_plane(NR::Point(xs[i], xs[j])),
(fabs(xs[i]) < inf &&
fabs(xs[j]) < inf ) );
}
}
}
};
/*
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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