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[inkscape.git] / src / round-test.h
2 #ifndef SEEN_ROUND_TEST_H
3 #define SEEN_ROUND_TEST_H
5 #include <cxxtest/TestSuite.h>
7 #include <vector>
8 #include <round.h>
10 class RoundTest : public CxxTest::TestSuite
11 {
12 public:
13     struct Case {
14         double arg0;
15         double ret;
16     };
18     std::vector<Case> nonneg_round_cases;
19     std::vector<Case> nonpos_round_cases;
21     RoundTest() :
22         TestSuite()
23     {
24         Case cases[] = {
25             { 5.0, 5.0 },
26             { 0.0, 0.0 },
27             { 5.4, 5.0 },
28             { 5.6, 6.0 },
29             { 1e-7, 0.0 },
30             { 1e7 + .49, 1e7 },
31             { 1e7 + .51, 1e7 + 1 },
32             { 1e12 + .49, 1e12 },
33             { 1e12 + .51, 1e12 + 1 },
34             { 1e40, 1e40 }
35         };
37         for ( size_t i = 0; i < G_N_ELEMENTS(cases); i++ )
38         {
39             nonneg_round_cases.push_back( cases[i] );
41             Case tmp = {-nonneg_round_cases[i].arg0, -nonneg_round_cases[i].ret};
42             nonpos_round_cases.push_back( tmp );
43         }
44     }
46     virtual ~RoundTest()
47     {
48     }
49     
50     static RoundTest *createSuite() { return new RoundTest(); }
51     static void destroySuite( RoundTest *suite ) { delete suite; }
53 // -------------------------------------------------------------------------
54 // -------------------------------------------------------------------------
58     void testNonNegRound()
59     {
60         for ( size_t i = 0; i < nonneg_round_cases.size(); i++ )
61         {
62             double result = Inkscape::round( nonneg_round_cases[i].arg0 );
63             TS_ASSERT_EQUALS( result, nonneg_round_cases[i].ret );
64         }
65     }
67     void testNonPosRoung()
68     {
69         for ( size_t i = 0; i < nonpos_round_cases.size(); i++ )
70         {
71             double result = Inkscape::round( nonpos_round_cases[i].arg0 );
72             TS_ASSERT_EQUALS( result, nonpos_round_cases[i].ret );
73         }
74     }
76 };
79 #endif // SEEN_ROUND_TEST_H
81 /*
82   Local Variables:
83   mode:c++
84   c-file-style:"stroustrup"
85   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
86   indent-tabs-mode:nil
87   fill-column:99
88   End:
89 */
90 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :