wxWidgets/tests/geometry/rect.cpp

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///////////////////////////////////////////////////////////////////////////////
// Name: tests/geometry/rect.cpp
// Purpose: wxRect unit test
// Author: Vadim Zeitlin
// Created: 2004-12-11
// RCS-ID: $Id$
// Copyright: (c) 2004 wxWindows
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#endif // WX_PRECOMP
#include "wx/gdicmn.h"
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class RectTestCase : public CppUnit::TestCase
{
public:
RectTestCase() { }
private:
CPPUNIT_TEST_SUITE( RectTestCase );
CPPUNIT_TEST( Union );
CPPUNIT_TEST_SUITE_END();
void Union();
DECLARE_NO_COPY_CLASS(RectTestCase)
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( RectTestCase );
// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( RectTestCase, "RectTestCase" );
void RectTestCase::Union()
{
static const struct RectData
{
int x1, y1, w1, h1;
int x2, y2, w2, h2;
int x, y, w, h;
wxRect GetFirst() const { return wxRect(x1, y1, w1, h1); }
wxRect GetSecond() const { return wxRect(x2, y2, w2, h2); }
wxRect GetResult() const { return wxRect(x, y, w, h); }
} s_rects[] =
{
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1 },
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
{ 1, 1, 1, 1, 4, 4, 1, 1, 1, 1, 4, 4 },
{ 1, 1, 2, 2, 4, 4, 1, 1, 1, 1, 4, 4 },
{ 2, 2, 2, 2, 4, 4, 4, 4, 2, 2, 6, 6 },
{ 1, 1, 4, 4, 4, 4, 1, 1, 1, 1, 4, 4 },
};
for ( size_t n = 0; n < WXSIZEOF(s_rects); n++ )
{
const RectData& data = s_rects[n];
CPPUNIT_ASSERT(
data.GetFirst().Union(data.GetSecond()) == data.GetResult()
);
CPPUNIT_ASSERT(
data.GetSecond().Union(data.GetFirst()) == data.GetResult()
);
}
}