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#include <cxxtest/TestSuite.h>
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#include <glib/gmacros.h>
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#include <libnr/nr-rotate-fns.h>
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class NrRotateFnsTest : public CxxTest::TestSuite
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virtual ~NrRotateFnsTest() {}
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// createSuite and destroySuite get us per-suite setup and teardown
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// without us having to worry about static initialization order, etc.
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static NrRotateFnsTest *createSuite() { return new NrRotateFnsTest(); }
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static void destroySuite( NrRotateFnsTest *suite ) { delete suite; }
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void testRotateDegrees(void)
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0, 90, 180, 270, 360, 45, 45.01, 44.99, 134, 135, 136, 314, 315, 317, 359, 361
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for ( unsigned i = 0; i < G_N_ELEMENTS(d); ++i ) {
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double const degrees = d[i];
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NR::rotate const rot(rotate_degrees(degrees));
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NR::rotate const rot_approx( M_PI * ( degrees / 180. ) );
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TS_ASSERT( rotate_equalp(rot, rot_approx, 1e-12) );
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NR::rotate const rot_inv(rotate_degrees(-degrees));
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NR::rotate const rot_compl(rotate_degrees(360 - degrees));
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TS_ASSERT( rotate_equalp(rot_inv, rot_compl, 1e-12) );
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TS_ASSERT( !rotate_equalp(rot, rotate_degrees(degrees + 1), 1e-5) );
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c-file-style:"stroustrup"
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c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
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// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :