X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e07e8195ae9ab8f12ce91aed5e724ac80a8d09d3..c0bb586f5074be1fe579720f3c08ac76df44d90c:/tests/geometry/rect.cpp

diff --git a/tests/geometry/rect.cpp b/tests/geometry/rect.cpp
index 85954dd277..c7d73971f6 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
 ///////////////////////////////////////////////////////////////////////////////
 
 // ----------------------------------------------------------------------------
@@ -18,10 +18,9 @@
 #endif
 
 #ifndef WX_PRECOMP
+    #include "wx/gdicmn.h"
 #endif // WX_PRECOMP
 
-#include "wx/gdicmn.h"
-
 // ----------------------------------------------------------------------------
 // test class
 // ----------------------------------------------------------------------------
@@ -33,9 +32,13 @@ public:
 
 private:
     CPPUNIT_TEST_SUITE( RectTestCase );
+        CPPUNIT_TEST( InflateDeflate );
+        CPPUNIT_TEST( Operators );
         CPPUNIT_TEST( Union );
     CPPUNIT_TEST_SUITE_END();
 
+    void InflateDeflate();
+    void Operators();
     void Union();
 
     DECLARE_NO_COPY_CLASS(RectTestCase)
@@ -47,6 +50,59 @@ 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::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()
+        );
+    }
+}
+
 void RectTestCase::Union()
 {
     static const struct RectData
@@ -66,7 +122,7 @@ 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 +138,3 @@ void RectTestCase::Union()
         );
     }
 }
-