X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e07e8195ae9ab8f12ce91aed5e724ac80a8d09d3..7e3204b45cf8e1bb882b314d456e75f2a22850d7:/tests/geometry/rect.cpp

diff --git a/tests/geometry/rect.cpp b/tests/geometry/rect.cpp
index 85954dd277..505088b4da 100644
--- a/tests/geometry/rect.cpp
+++ b/tests/geometry/rect.cpp
@@ -4,7 +4,7 @@
 // Author:      Vadim Zeitlin
 // Created:     2004-12-11
 // RCS-ID:      $Id$
-// Copyright:   (c) 2004 wxWindows 
+// Copyright:   (c) 2004 wxWindows
 ///////////////////////////////////////////////////////////////////////////////
 
 // ----------------------------------------------------------------------------
@@ -18,9 +18,23 @@
 #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
@@ -33,9 +47,15 @@ public:
 
 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)
@@ -47,6 +67,78 @@ 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::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
@@ -66,7 +158,7 @@ void RectTestCase::Union()
         { 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++ )
@@ -82,4 +174,3 @@ void RectTestCase::Union()
         );
     }
 }
-