1
#include <cxxtest/TestSuite.h>
4
#include <libnr/nr-matrix.h>
5
#include <libnr/nr-matrix-ops.h>
6
#include <libnr/nr-matrix-fns.h> /* identity, matrix_equalp */
7
#include <libnr/nr-point-fns.h>
8
#include <libnr/nr-rotate.h>
9
#include <libnr/nr-rotate-fns.h>
10
#include <libnr/nr-rotate-ops.h>
13
class NrRotateTest : public CxxTest::TestSuite
18
m_id( NR::identity() ),
22
rot180( NR::Point(-1.0, 0.0) )
25
virtual ~NrRotateTest() {}
27
// createSuite and destroySuite get us per-suite setup and teardown
28
// without us having to worry about static initialization order, etc.
29
static NrRotateTest *createSuite() { return new NrRotateTest(); }
30
static void destroySuite( NrRotateTest *suite ) { delete suite; }
32
NR::Matrix const m_id;
33
NR::rotate const r_id;
34
NR::rotate const rot234;
36
NR::rotate const rot180;
41
void testCtorsCompares(void)
43
TS_ASSERT_EQUALS( r_id, r_id );
44
TS_ASSERT_EQUALS( rot234, rot234 );
45
TS_ASSERT_DIFFERS( rot234, r_id );
46
TS_ASSERT_EQUALS( r_id, NR::rotate(NR::Point(1.0, 0.0)) );
47
TS_ASSERT_EQUALS( NR::Matrix(r_id), m_id );
48
TS_ASSERT( NR::Matrix(r_id).test_identity() );
50
TS_ASSERT(rotate_equalp(rot234, NR::rotate(NR::Point(cos(.234), sin(.234))), 1e-12));
53
void testAssignmentOp(void)
55
NR::rotate rot234_eq(r_id);
57
TS_ASSERT_EQUALS( rot234, rot234_eq );
58
TS_ASSERT_DIFFERS( rot234_eq, r_id );
61
void testInverse(void)
63
TS_ASSERT_EQUALS( r_id.inverse(), r_id );
64
TS_ASSERT_EQUALS( rot234.inverse(), NR::rotate(-.234) );
67
void testOpStarPointRotate(void)
69
TS_ASSERT_EQUALS( b * r_id, b );
70
TS_ASSERT_EQUALS( b * rot180, -b );
71
TS_ASSERT_EQUALS( b * rot234, b * NR::Matrix(rot234) );
72
TS_ASSERT(point_equalp(b * NR::rotate(M_PI / 2),
75
TS_ASSERT_EQUALS( b * rotate_degrees(90.), NR::rot90(b) );
78
void testOpStarRotateRotate(void)
80
TS_ASSERT_EQUALS( r_id * r_id, r_id );
81
TS_ASSERT_EQUALS( rot180 * rot180, r_id );
82
TS_ASSERT_EQUALS( rot234 * r_id, rot234 );
83
TS_ASSERT_EQUALS( r_id * rot234, rot234 );
84
TS_ASSERT( rotate_equalp(rot234 * rot234.inverse(), r_id, 1e-14) );
85
TS_ASSERT( rotate_equalp(rot234.inverse() * rot234, r_id, 1e-14) );
86
TS_ASSERT( rotate_equalp(( NR::rotate(0.25) * NR::rotate(.5) ),
91
void testOpDivRotateRotate(void)
93
TS_ASSERT_EQUALS( rot234 / r_id, rot234 );
94
TS_ASSERT_EQUALS( rot234 / rot180, rot234 * rot180 );
95
TS_ASSERT( rotate_equalp(rot234 / rot234, r_id, 1e-14) );
96
TS_ASSERT( rotate_equalp(r_id / rot234, rot234.inverse(), 1e-14) );
104
c-file-style:"stroustrup"
105
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
110
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :