+///////////////////////////////////////////////////////////////////////////////
+// Name: tests/sizers/wrapsizer.cpp
+// Purpose: Unit tests for wxWrapSizer
+// Author: Catalin Raceanu
+// Created: 2010-10-23
+// RCS-ID: $Id:$
+// Copyright: (c) 2010 wxWidgets development team
+///////////////////////////////////////////////////////////////////////////////
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "testprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+ #include "wx/app.h"
+#endif // WX_PRECOMP
+
+#include "wx/wrapsizer.h"
+
+#include "asserthelper.h"
+
+// ----------------------------------------------------------------------------
+// test class
+// ----------------------------------------------------------------------------
+
+class WrapSizerTestCase : public CppUnit::TestCase
+{
+public:
+ WrapSizerTestCase() { }
+
+ virtual void setUp();
+ virtual void tearDown();
+
+private:
+ CPPUNIT_TEST_SUITE( WrapSizerTestCase );
+ CPPUNIT_TEST( CalcMin );
+ CPPUNIT_TEST_SUITE_END();
+
+ void CalcMin();
+
+ wxWindow *m_win;
+ wxSizer *m_sizer;
+
+ DECLARE_NO_COPY_CLASS(WrapSizerTestCase)
+};
+
+// register in the unnamed registry so that these tests are run by default
+CPPUNIT_TEST_SUITE_REGISTRATION( WrapSizerTestCase );
+
+// also include in it's own registry so that these tests can be run alone
+CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( WrapSizerTestCase, "WrapSizerTestCase" );
+
+// ----------------------------------------------------------------------------
+// test initialization
+// ----------------------------------------------------------------------------
+
+void WrapSizerTestCase::setUp()
+{
+ m_win = new wxWindow(wxTheApp->GetTopWindow(), wxID_ANY);
+ m_win->SetClientSize(180, 240);
+
+ m_sizer = new wxWrapSizer(wxHORIZONTAL);
+ m_win->SetSizer(m_sizer);
+}
+
+void WrapSizerTestCase::tearDown()
+{
+ delete m_win;
+ m_win = NULL;
+
+ m_sizer = NULL;
+}
+
+// ----------------------------------------------------------------------------
+// tests themselves
+// ----------------------------------------------------------------------------
+
+void WrapSizerTestCase::CalcMin()
+{
+ const wxSize sizeTotal = m_win->GetClientSize();
+ wxSize sizeMinExpected;
+
+ // With a single child the min size must be the same as child size.
+ const wxSize sizeChild1 = wxSize(sizeTotal.x/2 - 10, sizeTotal.y/4);
+ sizeMinExpected = sizeChild1;
+
+ wxWindow * const
+ child1 = new wxWindow(m_win, wxID_ANY, wxDefaultPosition, sizeChild1);
+ child1->SetBackgroundColour(*wxRED);
+ m_sizer->Add(child1);
+ m_win->Layout();
+
+ CPPUNIT_ASSERT_EQUAL( sizeMinExpected, m_sizer->CalcMin() );
+
+ // If both children can fit in the same row, the minimal size of the sizer
+ // is determined by the sum of their minimal horizontal dimensions and
+ // the maximum of their minimal vertical dimensions.
+ const wxSize sizeChild2 = wxSize(sizeTotal.x/2 + 10, sizeTotal.y/3);
+ sizeMinExpected.x += sizeChild2.x;
+ sizeMinExpected.y = wxMax(sizeChild1.y, sizeChild2.y);
+
+ wxWindow * const
+ child2 = new wxWindow(m_win, wxID_ANY, wxDefaultPosition, sizeChild2);
+ child2->SetBackgroundColour(*wxYELLOW);
+ m_sizer->Add(child2);
+ m_win->Layout();
+
+ CPPUNIT_ASSERT_EQUAL( sizeMinExpected, m_sizer->CalcMin() );
+
+ // Three children will take at least two rows so the minimal size in
+ // vertical direction must increase.
+ const wxSize sizeChild3 = wxSize(sizeTotal.x/2, sizeTotal.y/5);
+ sizeMinExpected.y += sizeChild3.y;
+
+ wxWindow * const
+ child3 = new wxWindow(m_win, wxID_ANY, wxDefaultPosition, sizeChild3);
+ child3->SetBackgroundColour(*wxGREEN);
+ m_sizer->Add(child3);
+ m_win->Layout();
+
+ CPPUNIT_ASSERT_EQUAL( sizeMinExpected, m_sizer->CalcMin() );
+}
projects / wxWidgets.git / commitdiff
