115 lines
3.6 KiB
C++
115 lines
3.6 KiB
C++
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///////////////////////////////////////////////////////////////////////////////
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// Name: tests/graphics/colour.cpp
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// Purpose: wxColour unit test
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// Author: Vadim Zeitlin
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// Created: 2009-09-19
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// Copyright: (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
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///////////////////////////////////////////////////////////////////////////////
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "testprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "wx/colour.h"
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#include "asserthelper.h"
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// ----------------------------------------------------------------------------
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// helpers
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// ----------------------------------------------------------------------------
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// Check the colour components, with and without alpha.
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//
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// NB: These are macros and not functions to have correct line numbers in case
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// of failure.
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#define ASSERT_EQUAL_RGB(c, r, g, b) \
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CPPUNIT_ASSERT_EQUAL( r, (int)c.Red() ); \
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CPPUNIT_ASSERT_EQUAL( g, (int)c.Green() ); \
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CPPUNIT_ASSERT_EQUAL( b, (int)c.Blue() )
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#define ASSERT_EQUAL_RGBA(c, r, g, b, a) \
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ASSERT_EQUAL_RGB(c, r, g, b); \
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CPPUNIT_ASSERT_EQUAL( a, (int)c.Alpha() )
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// ----------------------------------------------------------------------------
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// test class
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// ----------------------------------------------------------------------------
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class ColourTestCase : public CppUnit::TestCase
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{
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public:
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ColourTestCase() { }
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private:
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CPPUNIT_TEST_SUITE( ColourTestCase );
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CPPUNIT_TEST( GetSetRGB );
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CPPUNIT_TEST( FromString );
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CPPUNIT_TEST_SUITE_END();
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void GetSetRGB();
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void FromString();
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DECLARE_NO_COPY_CLASS(ColourTestCase)
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};
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// register in the unnamed registry so that these tests are run by default
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CPPUNIT_TEST_SUITE_REGISTRATION( ColourTestCase );
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// also include in its own registry so that these tests can be run alone
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CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( ColourTestCase, "ColourTestCase" );
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void ColourTestCase::GetSetRGB()
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{
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wxColour c;
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c.SetRGB(0x123456);
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CPPUNIT_ASSERT_EQUAL( 0x56, (int)c.Red() );
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CPPUNIT_ASSERT_EQUAL( 0x34, (int)c.Green() );
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CPPUNIT_ASSERT_EQUAL( 0x12, (int)c.Blue() );
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CPPUNIT_ASSERT_EQUAL( wxALPHA_OPAQUE, c.Alpha() );
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CPPUNIT_ASSERT_EQUAL( wxColour(0x123456), c );
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CPPUNIT_ASSERT_EQUAL( 0x123456, c.GetRGB() );
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c.SetRGBA(0xaabbccdd);
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CPPUNIT_ASSERT_EQUAL( 0xdd, (int)c.Red() );
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CPPUNIT_ASSERT_EQUAL( 0xcc, (int)c.Green() );
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CPPUNIT_ASSERT_EQUAL( 0xbb, (int)c.Blue() );
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// wxX11 doesn't support alpha at all currently.
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#ifndef __WXX11__
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CPPUNIT_ASSERT_EQUAL( 0xaa, (int)c.Alpha() );
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#endif // __WXX11__
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// FIXME: at least under wxGTK wxColour ctor doesn't take alpha channel
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// into account: bug or feature?
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//CPPUNIT_ASSERT_EQUAL( wxColour(0xaabbccdd), c );
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CPPUNIT_ASSERT_EQUAL( 0xbbccdd, c.GetRGB() );
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#ifndef __WXX11__
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CPPUNIT_ASSERT_EQUAL( 0xaabbccdd, c.GetRGBA() );
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#endif // __WXX11__
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}
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void ColourTestCase::FromString()
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{
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ASSERT_EQUAL_RGB( wxColour("rgb(11, 22, 33)"), 11, 22, 33 );
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ASSERT_EQUAL_RGBA( wxColour("rgba(11, 22, 33, 0.5)"), 11, 22, 33, 128 );
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ASSERT_EQUAL_RGBA( wxColour("rgba( 11, 22, 33, 0.5 )"), 11, 22, 33, 128 );
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ASSERT_EQUAL_RGB( wxColour("#aabbcc"), 0xaa, 0xbb, 0xcc );
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ASSERT_EQUAL_RGB( wxColour("red"), 0xff, 0, 0 );
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wxColour col;
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CPPUNIT_ASSERT( !wxFromString("rgb(1, 2)", &col) );
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CPPUNIT_ASSERT( !wxFromString("rgba(1, 2, 3.456)", &col) );
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CPPUNIT_ASSERT( !wxFromString("rgba(1, 2, 3.456, foo)", &col) );
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}
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