wxWidgets/tests/font/fonttest.cpp
Vadim Zeitlin cec8d6774a Add unit test verifying compilation of various wxFont ctors.
Check that various invocations of wxFont ctor at least compile to avoid
problems like the ones fixed by r70450.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70451 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2012-01-23 14:42:56 +00:00

296 lines
9.3 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: tests/font/fonttest.cpp
// Purpose: wxFont unit test
// Author: Francesco Montorsi
// Created: 16.3.09
// RCS-ID: $Id$
// Copyright: (c) 2009 Francesco Montorsi
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif // WX_PRECOMP
#if wxUSE_FONTMAP
#include "wx/font.h"
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class FontTestCase : public CppUnit::TestCase
{
public:
FontTestCase() { }
private:
CPPUNIT_TEST_SUITE( FontTestCase );
CPPUNIT_TEST( Construct );
CPPUNIT_TEST( GetSet );
CPPUNIT_TEST( NativeFontInfo );
CPPUNIT_TEST( NativeFontInfoUserDesc );
CPPUNIT_TEST_SUITE_END();
void Construct();
void GetSet();
void NativeFontInfo();
void NativeFontInfoUserDesc();
static const wxFont *GetTestFonts(unsigned& numFonts)
{
static const wxFont testfonts[] =
{
*wxNORMAL_FONT,
*wxSMALL_FONT,
*wxITALIC_FONT,
*wxSWISS_FONT,
wxFont(5, wxFONTFAMILY_TELETYPE, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL)
};
numFonts = WXSIZEOF(testfonts);
return testfonts;
}
DECLARE_NO_COPY_CLASS(FontTestCase)
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( FontTestCase );
// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( FontTestCase, "FontTestCase" );
wxString DumpFont(const wxFont *font)
{
// dumps the internal properties of a wxFont in the same order they
// are checked by wxFontBase::operator==()
wxASSERT(font->IsOk());
wxString s;
s.Printf(wxS("%d-%d;%d-%d-%d-%d-%d-%s-%d"),
font->GetPointSize(),
font->GetPixelSize().x,
font->GetPixelSize().y,
font->GetFamily(),
font->GetStyle(),
font->GetWeight(),
font->GetUnderlined() ? 1 : 0,
font->GetFaceName(),
font->GetEncoding());
return s;
}
void FontTestCase::Construct()
{
// The main purpose of this test is to verify that the font ctors below
// compile because it's easy to introduce ambiguities due to the number of
// overloaded wxFont ctors.
CPPUNIT_ASSERT( wxFont(10, wxFONTFAMILY_DEFAULT).IsOk() );
CPPUNIT_ASSERT( wxFont(10, wxFONTFAMILY_DEFAULT,
wxFONTFLAG_DEFAULT).IsOk() );
CPPUNIT_ASSERT( wxFont(10, wxFONTFAMILY_DEFAULT,
wxFONTSTYLE_NORMAL,
wxFONTWEIGHT_NORMAL).IsOk() );
#if FUTURE_WXWIN_COMPATIBILITY_3_0
// Tests relying on the soon-to-be-deprecated ctor taking ints and not
// wxFontXXX enum elements.
CPPUNIT_ASSERT( wxFont(10, wxDEFAULT, wxNORMAL, wxNORMAL).IsOk() );
#endif // FUTURE_WXWIN_COMPATIBILITY_3_0
}
void FontTestCase::GetSet()
{
unsigned numFonts;
const wxFont *pf = GetTestFonts(numFonts);
for ( unsigned n = 0; n < numFonts; n++ )
{
wxFont test(*pf++);
// remember: getters can only be called when wxFont::IsOk() == true
CPPUNIT_ASSERT( test.IsOk() );
// test Get/SetFaceName()
CPPUNIT_ASSERT( !test.SetFaceName("a dummy face name") );
CPPUNIT_ASSERT( !test.IsOk() );
// if the call to SetFaceName() below fails on your system/port,
// consider adding another branch to this #if
#if defined(__WXMSW__) || defined(__WXOSX__)
static const char *knownGoodFaceName = "Arial";
#else
static const char *knownGoodFaceName = "Monospace";
#endif
WX_ASSERT_MESSAGE
(
("failed to set face name \"%s\" for test font #%u\n"
"(this failure is harmless if this face name is not "
"available on this system)", knownGoodFaceName, n),
test.SetFaceName(knownGoodFaceName)
);
CPPUNIT_ASSERT( test.IsOk() );
// test Get/SetFamily()
test.SetFamily( wxFONTFAMILY_ROMAN );
CPPUNIT_ASSERT( test.IsOk() );
// note that there is always the possibility that GetFamily() returns
// wxFONTFAMILY_DEFAULT (meaning "unknown" in this case) so that we
// consider it as a valid return value
const wxFontFamily family = test.GetFamily();
if ( family != wxFONTFAMILY_DEFAULT )
CPPUNIT_ASSERT_EQUAL( wxFONTFAMILY_ROMAN, family );
// test Get/SetEncoding()
//test.SetEncoding( wxFONTENCODING_KOI8 );
//CPPUNIT_ASSERT( test.IsOk() );
//CPPUNIT_ASSERT_EQUAL( wxFONTENCODING_KOI8 , test.GetEncoding() );
// test Get/SetPointSize()
test.SetPointSize(30);
CPPUNIT_ASSERT( test.IsOk() );
CPPUNIT_ASSERT_EQUAL( 30, test.GetPointSize() );
// test Get/SetPixelSize()
test.SetPixelSize(wxSize(0,30));
CPPUNIT_ASSERT( test.IsOk() );
CPPUNIT_ASSERT( test.GetPixelSize().GetHeight() <= 30 );
// NOTE: the match found by SetPixelSize() may be not 100% precise; it
// only grants that a font smaller than the required height will
// be selected
// test Get/SetStyle()
test.SetStyle(wxFONTSTYLE_SLANT);
CPPUNIT_ASSERT( test.IsOk() );
#ifdef __WXMSW__
// on wxMSW wxFONTSTYLE_SLANT==wxFONTSTYLE_ITALIC
CPPUNIT_ASSERT( wxFONTSTYLE_SLANT == test.GetStyle() ||
wxFONTSTYLE_ITALIC == test.GetStyle() );
#else
CPPUNIT_ASSERT_EQUAL( wxFONTSTYLE_SLANT, test.GetStyle() );
#endif
// test Get/SetUnderlined()
test.SetUnderlined(true);
CPPUNIT_ASSERT( test.IsOk() );
CPPUNIT_ASSERT_EQUAL( true, test.GetUnderlined() );
// test Get/SetWeight()
test.SetWeight(wxFONTWEIGHT_BOLD);
CPPUNIT_ASSERT( test.IsOk() );
CPPUNIT_ASSERT_EQUAL( wxFONTWEIGHT_BOLD, test.GetWeight() );
}
}
void FontTestCase::NativeFontInfo()
{
unsigned numFonts;
const wxFont *pf = GetTestFonts(numFonts);
for ( size_t n = 0; n < numFonts; n++ )
{
wxFont test(*pf++);
const wxString& nid = test.GetNativeFontInfoDesc();
CPPUNIT_ASSERT( !nid.empty() );
// documented to be never empty
wxFont temp;
CPPUNIT_ASSERT( temp.SetNativeFontInfo(nid) );
CPPUNIT_ASSERT( temp.IsOk() );
WX_ASSERT_MESSAGE(
("Test #%lu failed\ndump of test font: \"%s\"\ndump of temp font: \"%s\"", \
n, DumpFont(&test), DumpFont(&temp)),
temp == test );
}
// test that clearly invalid font info strings do not work
wxFont font;
CPPUNIT_ASSERT( !font.SetNativeFontInfo("") );
// pango_font_description_from_string() used by wxFont in wxGTK and wxX11
// never returns an error at all so this assertion fails there -- and as it
// doesn't seem to be possible to do anything about it maybe we should
// change wxMSW and other ports to also accept any strings?
#if !defined(__WXGTK__) && !defined(__WXX11__)
CPPUNIT_ASSERT( !font.SetNativeFontInfo("bloordyblop") );
#endif
}
void FontTestCase::NativeFontInfoUserDesc()
{
unsigned numFonts;
const wxFont *pf = GetTestFonts(numFonts);
for ( size_t n = 0; n < numFonts; n++ )
{
wxFont test(*pf++);
const wxString& niud = test.GetNativeFontInfoUserDesc();
CPPUNIT_ASSERT( !niud.empty() );
// documented to be never empty
wxFont temp2;
CPPUNIT_ASSERT( temp2.SetNativeFontInfoUserDesc(niud) );
CPPUNIT_ASSERT( temp2.IsOk() );
#ifdef __WXGTK__
// Pango saves/restores all font info in the user-friendly string:
WX_ASSERT_MESSAGE(
("Test #%lu failed; native info user desc was \"%s\" for test and \"%s\" for temp2", \
n, niud, temp2.GetNativeFontInfoUserDesc()),
temp2 == test );
#else
// NOTE: as documented GetNativeFontInfoUserDesc/SetNativeFontInfoUserDesc
// are not granted to save/restore all font info.
// In fact e.g. the font family is not saved at all; test only those
// info which GetNativeFontInfoUserDesc() does indeed save:
CPPUNIT_ASSERT_EQUAL( test.GetWeight(), temp2.GetWeight() );
CPPUNIT_ASSERT_EQUAL( test.GetStyle(), temp2.GetStyle() );
// if the original face name was empty, it means that any face name (in
// this family) can be used for the new font so we shouldn't be
// surprised to find that they differ in this case
const wxString facename = test.GetFaceName();
if ( !facename.empty() )
{
CPPUNIT_ASSERT_EQUAL( facename.Upper(), temp2.GetFaceName().Upper() );
}
CPPUNIT_ASSERT_EQUAL( test.GetPointSize(), temp2.GetPointSize() );
CPPUNIT_ASSERT_EQUAL( test.GetEncoding(), temp2.GetEncoding() );
#endif
}
}
#endif // wxUSE_FONTMAP