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///////////////////////////////////////////////////////////////////////////////
// Name: tests/sizers/wrapsizer.cpp
// Purpose: Unit tests for wxWrapSizer
// Author: Catalin Raceanu
// Created: 2010-10-23
// Copyright: (c) 2010 wxWidgets development team
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifndef WX_PRECOMP
#include "wx/app.h"
#endif // WX_PRECOMP
#include "wx/wrapsizer.h"
#include "asserthelper.h"
TEST_CASE("wxWrapSizer::CalcMin", "[wxWrapSizer]")
{
wxScopedPtr<wxWindow> win(new wxWindow(wxTheApp->GetTopWindow(), wxID_ANY));
win->SetClientSize(180, 240);
wxSizer *sizer = new wxWrapSizer(wxHORIZONTAL);
win->SetSizer(sizer);
wxSize sizeMinExpected;
// With a single child the min size must be the same as child size.
const wxSize sizeChild1 = wxSize(80, 60);
sizeMinExpected = sizeChild1;
wxWindow * const
child1 = new wxWindow(win.get(), wxID_ANY, wxDefaultPosition, sizeChild1);
child1->SetBackgroundColour(*wxRED);
sizer->Add(child1);
win->Layout();
CHECK( sizeMinExpected == 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(100, 80);
sizeMinExpected.x += sizeChild2.x;
sizeMinExpected.y = wxMax(sizeChild1.y, sizeChild2.y);
wxWindow * const
child2 = new wxWindow(win.get(), wxID_ANY, wxDefaultPosition, sizeChild2);
child2->SetBackgroundColour(*wxYELLOW);
sizer->Add(child2);
win->Layout();
CHECK( sizeMinExpected == sizer->CalcMin() );
// Three children will take at least two rows so the minimal size in
// vertical direction must increase.
const wxSize sizeChild3 = wxSize(90, 40);
sizeMinExpected.y += sizeChild3.y;
wxWindow * const
child3 = new wxWindow(win.get(), wxID_ANY, wxDefaultPosition, sizeChild3);
child3->SetBackgroundColour(*wxGREEN);
sizer->Add(child3);
win->Layout();
CHECK( sizeMinExpected == sizer->CalcMin() );
}
TEST_CASE("wxWrapSizer::CalcMinFromMinor", "[wxWrapSizer]")
{
wxScopedPtr<wxWindow> win(new wxWindow(wxTheApp->GetTopWindow(), wxID_ANY));
win->SetClientSize(180, 240);
wxSizer* boxSizer = new wxBoxSizer(wxHORIZONTAL);
win->SetSizer(boxSizer);
// To test CalcMinFromMinor function the wrap sizer with the
// horizonral align added to the box sizer with horizontal align.
wxSizer* wrapSizer = new wxWrapSizer(wxHORIZONTAL);
boxSizer->Add(wrapSizer);
// Add three child windows. Sum of the first and the second windows widths should
// be less than the width of the third window.
const wxSize sizeChild1 = wxSize(40, 60);
wxWindow * const
child1 = new wxWindow(win.get(), wxID_ANY, wxDefaultPosition, sizeChild1);
child1->SetBackgroundColour(*wxRED);
wrapSizer->Add(child1);
const wxSize sizeChild2 = wxSize(50, 80);
wxWindow * const
child2 = new wxWindow(win.get(), wxID_ANY, wxDefaultPosition, sizeChild2);
child2->SetBackgroundColour(*wxGREEN);
wrapSizer->Add(child2);
const wxSize sizeChild3 = wxSize(100, 120);
wxWindow * const
child3 = new wxWindow(win.get(), wxID_ANY, wxDefaultPosition, sizeChild3);
child3->SetBackgroundColour(*wxBLUE);
wrapSizer->Add(child3);
// First two windows should be in a first row and the third in a second row.
const wxSize sizeMinExpected = wxSize(sizeChild3.x, sizeChild2.y + sizeChild3.y);
win->Layout();
CHECK(sizeMinExpected == wrapSizer->CalcMin());
}
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