| | 1 | /////////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: tests/graphics/colour.cpp |
| | 3 | // Purpose: wxColour unit test |
| | 4 | // Author: Vadim Zeitlin |
| | 5 | // Created: 2009-09-19 |
| | 6 | // RCS-ID: $Id$ |
| | 7 | // Copyright: (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org> |
| | 8 | /////////////////////////////////////////////////////////////////////////////// |
| | 9 | |
| | 10 | // ---------------------------------------------------------------------------- |
| | 11 | // headers |
| | 12 | // ---------------------------------------------------------------------------- |
| | 13 | |
| | 14 | #include "testprec.h" |
| | 15 | |
| | 16 | #ifdef __BORLANDC__ |
| | 17 | #pragma hdrstop |
| | 18 | #endif |
| | 19 | |
| | 20 | #include "wx/colour.h" |
| | 21 | #include "asserthelper.h" |
| | 22 | |
| | 23 | // ---------------------------------------------------------------------------- |
| | 24 | // helpers |
| | 25 | // ---------------------------------------------------------------------------- |
| | 26 | |
| | 27 | // Check the colour components, with and without alpha. |
| | 28 | // |
| | 29 | // NB: These are macros and not functions to have correct line numbers in case |
| | 30 | // of failure. |
| | 31 | #define ASSERT_EQUAL_RGB(c, r, g, b) \ |
| | 32 | CPPUNIT_ASSERT_EQUAL( r, (int)c.Red() ); \ |
| | 33 | CPPUNIT_ASSERT_EQUAL( g, (int)c.Green() ); \ |
| | 34 | CPPUNIT_ASSERT_EQUAL( b, (int)c.Blue() ) |
| | 35 | |
| | 36 | #define ASSERT_EQUAL_RGBA(c, r, g, b, a) \ |
| | 37 | ASSERT_EQUAL_RGB(c, r, g, b); \ |
| | 38 | CPPUNIT_ASSERT_EQUAL( a, (int)c.Alpha() ) |
| | 39 | |
| | 40 | // ---------------------------------------------------------------------------- |
| | 41 | // test class |
| | 42 | // ---------------------------------------------------------------------------- |
| | 43 | |
| | 44 | class ColourTestCase : public CppUnit::TestCase |
| | 45 | { |
| | 46 | public: |
| | 47 | ColourTestCase() { } |
| | 48 | |
| | 49 | private: |
| | 50 | CPPUNIT_TEST_SUITE( ColourTestCase ); |
| | 51 | CPPUNIT_TEST( GetSetRGB ); |
| | 52 | CPPUNIT_TEST( FromString ); |
| | 53 | CPPUNIT_TEST_SUITE_END(); |
| | 54 | |
| | 55 | void GetSetRGB(); |
| | 56 | void FromString(); |
| | 57 | |
| | 58 | DECLARE_NO_COPY_CLASS(ColourTestCase) |
| | 59 | }; |
| | 60 | |
| | 61 | // register in the unnamed registry so that these tests are run by default |
| | 62 | CPPUNIT_TEST_SUITE_REGISTRATION( ColourTestCase ); |
| | 63 | |
| | 64 | // also include in its own registry so that these tests can be run alone |
| | 65 | CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( ColourTestCase, "ColourTestCase" ); |
| | 66 | |
| | 67 | void ColourTestCase::GetSetRGB() |
| | 68 | { |
| | 69 | wxColour c; |
| | 70 | c.SetRGB(0x123456); |
| | 71 | |
| | 72 | CPPUNIT_ASSERT_EQUAL( 0x56, (int)c.Red() ); |
| | 73 | CPPUNIT_ASSERT_EQUAL( 0x34, (int)c.Green() ); |
| | 74 | CPPUNIT_ASSERT_EQUAL( 0x12, (int)c.Blue() ); |
| | 75 | CPPUNIT_ASSERT_EQUAL( wxALPHA_OPAQUE, c.Alpha() ); |
| | 76 | |
| | 77 | CPPUNIT_ASSERT_EQUAL( wxColour(0x123456), c ); |
| | 78 | CPPUNIT_ASSERT_EQUAL( 0x123456, c.GetRGB() ); |
| | 79 | |
| | 80 | c.SetRGBA(0xaabbccdd); |
| | 81 | |
| | 82 | CPPUNIT_ASSERT_EQUAL( 0xdd, (int)c.Red() ); |
| | 83 | CPPUNIT_ASSERT_EQUAL( 0xcc, (int)c.Green() ); |
| | 84 | CPPUNIT_ASSERT_EQUAL( 0xbb, (int)c.Blue() ); |
| | 85 | |
| | 86 | // wxX11 doesn't support alpha at all currently. |
| | 87 | #ifndef __WXX11__ |
| | 88 | CPPUNIT_ASSERT_EQUAL( 0xaa, (int)c.Alpha() ); |
| | 89 | #endif // __WXX11__ |
| | 90 | |
| | 91 | // FIXME: at least under wxGTK wxColour ctor doesn't take alpha channel |
| | 92 | // into account: bug or feature? |
| | 93 | //CPPUNIT_ASSERT_EQUAL( wxColour(0xaabbccdd), c ); |
| | 94 | CPPUNIT_ASSERT_EQUAL( 0xbbccdd, c.GetRGB() ); |
| | 95 | #ifndef __WXX11__ |
| | 96 | CPPUNIT_ASSERT_EQUAL( 0xaabbccdd, c.GetRGBA() ); |
| | 97 | #endif // __WXX11__ |
| | 98 | } |
| | 99 | |
| | 100 | void ColourTestCase::FromString() |
| | 101 | { |
| | 102 | ASSERT_EQUAL_RGB( wxColour("rgb(11, 22, 33)"), 11, 22, 33 ); |
| | 103 | ASSERT_EQUAL_RGBA( wxColour("rgba(11, 22, 33, 0.5)"), 11, 22, 33, 128 ); |
| | 104 | ASSERT_EQUAL_RGBA( wxColour("rgba( 11, 22, 33, 0.5 )"), 11, 22, 33, 128 ); |
| | 105 | |
| | 106 | ASSERT_EQUAL_RGB( wxColour("#aabbcc"), 0xaa, 0xbb, 0xcc ); |
| | 107 | |
| | 108 | ASSERT_EQUAL_RGB( wxColour("red"), 0xff, 0, 0 ); |
| | 109 | |
| | 110 | wxColour col; |
| | 111 | CPPUNIT_ASSERT( !wxFromString("rgb(1, 2)", &col) ); |
| | 112 | CPPUNIT_ASSERT( !wxFromString("rgba(1, 2, 3.456)", &col) ); |
| | 113 | CPPUNIT_ASSERT( !wxFromString("rgba(1, 2, 3.456, foo)", &col) ); |
| | 114 | } |
| | 115 | |
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