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