added a test for wxRect::Union()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30967 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

tests/geometry/rect.cpp

@@ -0,0 +1,85 @@
+///////////////////////////////////////////////////////////////////////////////
+// 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()
+        );
+    }
+}
+

tests/test.bkl

@@ -62,6 +62,7 @@
          cond="USE_GUI=='1'">
         <sources>
             test.cpp
+            geometry/rect.cpp
         </sources>
         <wx-lib>core</wx-lib>
         <wx-lib>base</wx-lib>