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1///////////////////////////////////////////////////////////////////////////////
2// Name: tests/font/fonttest.cpp
3// Purpose: wxFont unit test
4// Author: Francesco Montorsi
5// Created: 16.3.09
6// RCS-ID: $Id$
7// Copyright: (c) 2009 Francesco Montorsi
8// Licence: wxWindows licence
9///////////////////////////////////////////////////////////////////////////////
10
11// ----------------------------------------------------------------------------
12// headers
13// ----------------------------------------------------------------------------
14
15#include "testprec.h"
16
17#ifdef __BORLANDC__
18 #pragma hdrstop
19#endif
20
21#ifndef WX_PRECOMP
22 #include "wx/wx.h"
23#endif // WX_PRECOMP
24
25#if wxUSE_FONTMAP
26
27#include "wx/font.h"
28
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29#include "asserthelper.h"
30
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31// ----------------------------------------------------------------------------
32// test class
33// ----------------------------------------------------------------------------
34
35class FontTestCase : public CppUnit::TestCase
36{
37public:
38 FontTestCase() { }
39
40private:
41 CPPUNIT_TEST_SUITE( FontTestCase );
cec8d677 42 CPPUNIT_TEST( Construct );
5b06a80f 43 CPPUNIT_TEST( GetSet );
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44 CPPUNIT_TEST( NativeFontInfo );
45 CPPUNIT_TEST( NativeFontInfoUserDesc );
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46 CPPUNIT_TEST_SUITE_END();
47
cec8d677 48 void Construct();
5b06a80f 49 void GetSet();
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50 void NativeFontInfo();
51 void NativeFontInfoUserDesc();
52
53 static const wxFont *GetTestFonts(unsigned& numFonts)
54 {
55 static const wxFont testfonts[] =
56 {
57 *wxNORMAL_FONT,
58 *wxSMALL_FONT,
59 *wxITALIC_FONT,
60 *wxSWISS_FONT,
61 wxFont(5, wxFONTFAMILY_TELETYPE, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL)
62 };
63
64 numFonts = WXSIZEOF(testfonts);
65
66 return testfonts;
67 }
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68
69 DECLARE_NO_COPY_CLASS(FontTestCase)
70};
71
72// register in the unnamed registry so that these tests are run by default
73CPPUNIT_TEST_SUITE_REGISTRATION( FontTestCase );
74
e3778b4d 75// also include in its own registry so that these tests can be run alone
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76CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( FontTestCase, "FontTestCase" );
77
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78wxString DumpFont(const wxFont *font)
79{
80 // dumps the internal properties of a wxFont in the same order they
81 // are checked by wxFontBase::operator==()
c56fc0dc 82
aeecbca0 83 wxASSERT(font->IsOk());
c56fc0dc 84
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85 wxString s;
86 s.Printf(wxS("%d-%d;%d-%d-%d-%d-%d-%s-%d"),
87 font->GetPointSize(),
88 font->GetPixelSize().x,
89 font->GetPixelSize().y,
90 font->GetFamily(),
91 font->GetStyle(),
92 font->GetWeight(),
93 font->GetUnderlined() ? 1 : 0,
94 font->GetFaceName(),
95 font->GetEncoding());
96
97 return s;
98}
5b06a80f 99
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100void FontTestCase::Construct()
101{
102 // The main purpose of this test is to verify that the font ctors below
103 // compile because it's easy to introduce ambiguities due to the number of
104 // overloaded wxFont ctors.
105
106 CPPUNIT_ASSERT( wxFont(10, wxFONTFAMILY_DEFAULT).IsOk() );
107 CPPUNIT_ASSERT( wxFont(10, wxFONTFAMILY_DEFAULT,
108 wxFONTFLAG_DEFAULT).IsOk() );
109 CPPUNIT_ASSERT( wxFont(10, wxFONTFAMILY_DEFAULT,
110 wxFONTSTYLE_NORMAL,
111 wxFONTWEIGHT_NORMAL).IsOk() );
112
113#if FUTURE_WXWIN_COMPATIBILITY_3_0
114 // Tests relying on the soon-to-be-deprecated ctor taking ints and not
115 // wxFontXXX enum elements.
116 CPPUNIT_ASSERT( wxFont(10, wxDEFAULT, wxNORMAL, wxNORMAL).IsOk() );
117#endif // FUTURE_WXWIN_COMPATIBILITY_3_0
118}
119
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120void FontTestCase::GetSet()
121{
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122 unsigned numFonts;
123 const wxFont *pf = GetTestFonts(numFonts);
b7cb8553 124 for ( unsigned n = 0; n < numFonts; n++ )
5b06a80f 125 {
c56fc0dc 126 wxFont test(*pf++);
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127
128 // remember: getters can only be called when wxFont::IsOk() == true
129 CPPUNIT_ASSERT( test.IsOk() );
130
131
132 // test Get/SetFaceName()
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133 CPPUNIT_ASSERT( !test.SetFaceName("a dummy face name") );
134 CPPUNIT_ASSERT( !test.IsOk() );
135
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136 // if the call to SetFaceName() below fails on your system/port,
137 // consider adding another branch to this #if
138#if defined(__WXMSW__) || defined(__WXOSX__)
139 static const char *knownGoodFaceName = "Arial";
140#else
b7cb8553 141 static const char *knownGoodFaceName = "Monospace";
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142#endif
143
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144 WX_ASSERT_MESSAGE
145 (
146 ("failed to set face name \"%s\" for test font #%u\n"
147 "(this failure is harmless if this face name is not "
148 "available on this system)", knownGoodFaceName, n),
149 test.SetFaceName(knownGoodFaceName)
150 );
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151 CPPUNIT_ASSERT( test.IsOk() );
152
153
154 // test Get/SetFamily()
155
6aea1e4a 156 test.SetFamily( wxFONTFAMILY_ROMAN );
14a83cbf 157 CPPUNIT_ASSERT( test.IsOk() );
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158
159 // note that there is always the possibility that GetFamily() returns
160 // wxFONTFAMILY_DEFAULT (meaning "unknown" in this case) so that we
161 // consider it as a valid return value
162 const wxFontFamily family = test.GetFamily();
163 if ( family != wxFONTFAMILY_DEFAULT )
164 CPPUNIT_ASSERT_EQUAL( wxFONTFAMILY_ROMAN, family );
6aea1e4a 165
5b06a80f 166
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167 // test Get/SetEncoding()
168
169 //test.SetEncoding( wxFONTENCODING_KOI8 );
14a83cbf 170 //CPPUNIT_ASSERT( test.IsOk() );
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171 //CPPUNIT_ASSERT_EQUAL( wxFONTENCODING_KOI8 , test.GetEncoding() );
172
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173
174 // test Get/SetPointSize()
175
176 test.SetPointSize(30);
177 CPPUNIT_ASSERT( test.IsOk() );
178 CPPUNIT_ASSERT_EQUAL( 30, test.GetPointSize() );
179
180
181 // test Get/SetPixelSize()
182
183 test.SetPixelSize(wxSize(0,30));
184 CPPUNIT_ASSERT( test.IsOk() );
185 CPPUNIT_ASSERT( test.GetPixelSize().GetHeight() <= 30 );
186 // NOTE: the match found by SetPixelSize() may be not 100% precise; it
187 // only grants that a font smaller than the required height will
188 // be selected
189
190
191 // test Get/SetStyle()
192
193 test.SetStyle(wxFONTSTYLE_SLANT);
194 CPPUNIT_ASSERT( test.IsOk() );
195#ifdef __WXMSW__
196 // on wxMSW wxFONTSTYLE_SLANT==wxFONTSTYLE_ITALIC
197 CPPUNIT_ASSERT( wxFONTSTYLE_SLANT == test.GetStyle() ||
198 wxFONTSTYLE_ITALIC == test.GetStyle() );
199#else
200 CPPUNIT_ASSERT_EQUAL( wxFONTSTYLE_SLANT, test.GetStyle() );
201#endif
202
203 // test Get/SetUnderlined()
204
205 test.SetUnderlined(true);
206 CPPUNIT_ASSERT( test.IsOk() );
207 CPPUNIT_ASSERT_EQUAL( true, test.GetUnderlined() );
208
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209 // test Get/SetStrikethrough()
210
211 test.SetStrikethrough(true);
212 CPPUNIT_ASSERT( test.IsOk() );
213 CPPUNIT_ASSERT_EQUAL( true, test.GetStrikethrough() );
214
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215
216 // test Get/SetWeight()
217
218 test.SetWeight(wxFONTWEIGHT_BOLD);
219 CPPUNIT_ASSERT( test.IsOk() );
220 CPPUNIT_ASSERT_EQUAL( wxFONTWEIGHT_BOLD, test.GetWeight() );
221 }
222}
223
224void FontTestCase::NativeFontInfo()
225{
226 unsigned numFonts;
227 const wxFont *pf = GetTestFonts(numFonts);
228 for ( size_t n = 0; n < numFonts; n++ )
229 {
230 wxFont test(*pf++);
231
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232 const wxString& nid = test.GetNativeFontInfoDesc();
233 CPPUNIT_ASSERT( !nid.empty() );
14a83cbf 234 // documented to be never empty
c56fc0dc 235
5b06a80f 236 wxFont temp;
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237 CPPUNIT_ASSERT( temp.SetNativeFontInfo(nid) );
238 CPPUNIT_ASSERT( temp.IsOk() );
c56fc0dc 239 WX_ASSERT_MESSAGE(
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240 ("Test #%lu failed\ndump of test font: \"%s\"\ndump of temp font: \"%s\"", \
241 n, DumpFont(&test), DumpFont(&temp)),
9b5e0a6d 242 temp == test );
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243 }
244
245 // test that clearly invalid font info strings do not work
246 wxFont font;
247 CPPUNIT_ASSERT( !font.SetNativeFontInfo("") );
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248
249 // pango_font_description_from_string() used by wxFont in wxGTK and wxX11
250 // never returns an error at all so this assertion fails there -- and as it
251 // doesn't seem to be possible to do anything about it maybe we should
252 // change wxMSW and other ports to also accept any strings?
253#if !defined(__WXGTK__) && !defined(__WXX11__)
c56fc0dc 254 CPPUNIT_ASSERT( !font.SetNativeFontInfo("bloordyblop") );
541aafe2 255#endif
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256
257 // Pango font description doesn't have 'underlined' and 'strikethrough'
258 // attributes, so wxNativeFontInfo implements these itself. Test if these
259 // are properly preserved by wxNativeFontInfo or its string description.
260 font.SetUnderlined(true);
261 font.SetStrikethrough(true);
262 CPPUNIT_ASSERT_EQUAL(font, wxFont(font));
263 CPPUNIT_ASSERT_EQUAL(font, wxFont(*font.GetNativeFontInfo()));
264 CPPUNIT_ASSERT_EQUAL(font, wxFont(font.GetNativeFontInfoDesc()));
265 font.SetUnderlined(false);
266 CPPUNIT_ASSERT_EQUAL(font, wxFont(font));
267 CPPUNIT_ASSERT_EQUAL(font, wxFont(*font.GetNativeFontInfo()));
268 CPPUNIT_ASSERT_EQUAL(font, wxFont(font.GetNativeFontInfoDesc()));
269 font.SetUnderlined(true);
270 font.SetStrikethrough(false);
271 CPPUNIT_ASSERT_EQUAL(font, wxFont(font));
272 CPPUNIT_ASSERT_EQUAL(font, wxFont(*font.GetNativeFontInfo()));
273 CPPUNIT_ASSERT_EQUAL(font, wxFont(font.GetNativeFontInfoDesc()));
274 // note: the GetNativeFontInfoUserDesc() doesn't preserve all attributes
275 // according to docs, so it is not tested.
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276}
277
278void FontTestCase::NativeFontInfoUserDesc()
279{
280 unsigned numFonts;
281 const wxFont *pf = GetTestFonts(numFonts);
282 for ( size_t n = 0; n < numFonts; n++ )
283 {
284 wxFont test(*pf++);
14a83cbf 285
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286 const wxString& niud = test.GetNativeFontInfoUserDesc();
287 CPPUNIT_ASSERT( !niud.empty() );
14a83cbf 288 // documented to be never empty
c56fc0dc 289
5b06a80f 290 wxFont temp2;
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291 CPPUNIT_ASSERT( temp2.SetNativeFontInfoUserDesc(niud) );
292 CPPUNIT_ASSERT( temp2.IsOk() );
293
294#ifdef __WXGTK__
295 // Pango saves/restores all font info in the user-friendly string:
c56fc0dc 296 WX_ASSERT_MESSAGE(
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297 ("Test #%lu failed; native info user desc was \"%s\" for test and \"%s\" for temp2", \
298 n, niud, temp2.GetNativeFontInfoUserDesc()),
9b5e0a6d 299 temp2 == test );
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300#else
301 // NOTE: as documented GetNativeFontInfoUserDesc/SetNativeFontInfoUserDesc
302 // are not granted to save/restore all font info.
303 // In fact e.g. the font family is not saved at all; test only those
304 // info which GetNativeFontInfoUserDesc() does indeed save:
305 CPPUNIT_ASSERT_EQUAL( test.GetWeight(), temp2.GetWeight() );
306 CPPUNIT_ASSERT_EQUAL( test.GetStyle(), temp2.GetStyle() );
14a83cbf 307
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308 // if the original face name was empty, it means that any face name (in
309 // this family) can be used for the new font so we shouldn't be
310 // surprised to find that they differ in this case
311 const wxString facename = test.GetFaceName();
312 if ( !facename.empty() )
313 {
314 CPPUNIT_ASSERT_EQUAL( facename.Upper(), temp2.GetFaceName().Upper() );
315 }
14a83cbf 316
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317 CPPUNIT_ASSERT_EQUAL( test.GetPointSize(), temp2.GetPointSize() );
318 CPPUNIT_ASSERT_EQUAL( test.GetEncoding(), temp2.GetEncoding() );
14a83cbf 319#endif
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320 }
321}
322
323#endif // wxUSE_FONTMAP