// Author: Vadim Zeitlin
// Created: 2004-12-11
// RCS-ID: $Id$
-// Copyright: (c) 2004 wxWindows
+// Copyright: (c) 2004 wxWindows
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
#endif
#ifndef WX_PRECOMP
+ #include "wx/gdicmn.h"
#endif // WX_PRECOMP
-#include "wx/gdicmn.h"
+#include "wx/iosfwrap.h"
+
+// ----------------------------------------------------------------------------
+// helper functions
+// ----------------------------------------------------------------------------
+
+// this operator is needed to use CPPUNIT_ASSERT_EQUAL with wxRects
+std::ostream& operator<<(std::ostream& os, const wxRect& r)
+{
+ os << "{"
+ << r.x << ", " << r.y << ", " << r.width << ", " << r.height
+ << "}";
+ return os;
+}
// ----------------------------------------------------------------------------
// test class
private:
CPPUNIT_TEST_SUITE( RectTestCase );
+ CPPUNIT_TEST( CentreIn );
+ CPPUNIT_TEST( InflateDeflate );
+ CPPUNIT_TEST( Operators );
CPPUNIT_TEST( Union );
CPPUNIT_TEST_SUITE_END();
+ void CentreIn();
+ void InflateDeflate();
+ void Operators();
void Union();
DECLARE_NO_COPY_CLASS(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::CentreIn()
+{
+ typedef wxRect R;
+
+ CPPUNIT_ASSERT_EQUAL( R(45, 45, 10, 10),
+ R(0, 0, 10, 10).CentreIn(R(0, 0, 100, 100)));
+
+ CPPUNIT_ASSERT_EQUAL( R(-5, -5, 20, 20),
+ R(0, 0, 20, 20).CentreIn(R(0, 0, 10, 10)));
+}
+
+void RectTestCase::InflateDeflate()
+{
+ // This is the rectangle from the example in the documentation of wxRect::Inflate().
+ const wxRect r1(10, 10, 20, 40);
+
+ CPPUNIT_ASSERT(r1.Inflate( 10, 10)==wxRect( 0, 0, 40, 60));
+ CPPUNIT_ASSERT(r1.Inflate( 20, 30)==wxRect(-10, -20, 60, 100));
+ CPPUNIT_ASSERT(r1.Inflate(-10, -10)==wxRect( 20, 20, 0, 20));
+ CPPUNIT_ASSERT(r1.Inflate(-15, -15)==wxRect( 20, 25, 0, 10));
+
+ CPPUNIT_ASSERT(r1.Inflate( 10, 10)==r1.Deflate(-10, -10));
+ CPPUNIT_ASSERT(r1.Inflate( 20, 30)==r1.Deflate(-20, -30));
+ CPPUNIT_ASSERT(r1.Inflate(-10, -10)==r1.Deflate( 10, 10));
+ CPPUNIT_ASSERT(r1.Inflate(-15, -15)==r1.Deflate( 15, 15));
+}
+
+void RectTestCase::Operators()
+{
+ // test + operator which works like Union but does not ignore empty rectangles
+ 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, 0, 0, 2, 2 },
+ { 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() + data.GetSecond() ) == data.GetResult()
+ );
+
+ CPPUNIT_ASSERT(
+ ( data.GetSecond() + data.GetFirst() ) == data.GetResult()
+ );
+ }
+
+ // test operator*() which returns the intersection of two rectangles
+ wxRect r1 = wxRect(0, 2, 3, 4);
+ wxRect r2 = wxRect(1, 2, 7, 8);
+ r1 *= r2;
+ CPPUNIT_ASSERT(wxRect(1, 2, 2, 4) == r1);
+
+ CPPUNIT_ASSERT( (r1 * wxRect()).IsEmpty() );
+}
+
void RectTestCase::Union()
{
static const struct RectData
{ 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 },
+ { 1, 1, 4, 4, 4, 4, 1, 1, 1, 1, 4, 4 }
};
for ( size_t n = 0; n < WXSIZEOF(s_rects); n++ )
);
}
}
-