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