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1///////////////////////////////////////////////////////////////////////////////
2// Name: tests/formatconverter/formatconverter.cpp
3// Purpose: Test wxFormatConverter
4// Author: Mike Wetherell
5// RCS-ID: $Id$
6// Copyright: (c) 2004 Mike Wetherell
526954c5 7// Licence: wxWindows licence
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8///////////////////////////////////////////////////////////////////////////////
9
10//
11// Notes:
12//
13// The conversions wxFormatConverter currently does are as follows:
14//
15// %s, %lS -> %ls
16// %S, %hS -> %s
17// %c, %lC -> %lc
18// %C, %hC -> %c
19//
20// %hs and %hc stay the same.
21//
22// %S and %C aren't actually in the ISO C or C++ standards, but they can be
23// avoided when writing portable code.
24//
25// Nor are %hs or %hc in the standards, which means wxWidgets currently doesn't
26// have a specifier for 'char' types that is ok for all builds and platforms.
27//
28// The effect of using %hs/%hc is undefined, though RTLs are quite likely
29// to just ignore the 'h', so maybe it works as required even though it's
30// not legal.
31//
32// I've put in some checks, such as this which will flag up any platforms
33// where this is not the case:
34//
9a83f860 35// CPPUNIT_ASSERT(wxString::Format(wxT("%hs"), "test") == wxT("test"));
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36//
37
7d5ab151 38// For compilers that support precompilation, includes "wx/wx.h".
8899b155 39#include "testprec.h"
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40
41#ifdef __BORLANDC__
42 #pragma hdrstop
43#endif
44
45// for all others, include the necessary headers
46#ifndef WX_PRECOMP
47 #include "wx/wx.h"
48#endif
49
7d5ab151 50
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51using CppUnit::TestCase;
52using std::string;
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53
54///////////////////////////////////////////////////////////////////////////////
55// The test case
56//
57// wxFormatConverter only changes %s, %c, %S and %C, all others are treated
58// equally, therefore it is enough to choose just one other for testing, %d
59// will do.
60
61class FormatConverterTestCase : public TestCase
62{
63 CPPUNIT_TEST_SUITE(FormatConverterTestCase);
64 CPPUNIT_TEST(format_d);
65 CPPUNIT_TEST(format_hd);
66 CPPUNIT_TEST(format_ld);
67 CPPUNIT_TEST(format_s);
68 CPPUNIT_TEST(format_hs);
69 CPPUNIT_TEST(format_ls);
70 CPPUNIT_TEST(format_c);
71 CPPUNIT_TEST(format_hc);
72 CPPUNIT_TEST(format_lc);
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73 CPPUNIT_TEST(format_S);
74 CPPUNIT_TEST(format_hS);
75 CPPUNIT_TEST(format_lS);
76 CPPUNIT_TEST(format_C);
77 CPPUNIT_TEST(format_hC);
78 CPPUNIT_TEST(format_lC);
79 CPPUNIT_TEST(testLonger);
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80 CPPUNIT_TEST_SUITE_END();
81
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82 void format_d();
83 void format_hd();
84 void format_ld();
85 void format_s();
86 void format_hs();
87 void format_ls();
88 void format_c();
89 void format_hc();
90 void format_lc();
91
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92 void format_S();
93 void format_hS();
94 void format_lS();
95 void format_C();
96 void format_hC();
97 void format_lC();
98 void testLonger();
99
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100 void doTest(const char *input, const char *expectedScanf,
101 const char *expectedUtf8,
102 const char *expectedWcharUnix,
103 const char *expectedWcharWindows);
104 void check(const wxString& input, const wxString& expectedScanf,
105 const wxString& expectedUtf8,
106 const wxString& expectedWcharUnix,
107 const wxString& expectedWcharWindows);
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108};
109
110void FormatConverterTestCase::format_d()
111{
50e27899 112 doTest("d", "d", "d", "d", "d");
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113 CPPUNIT_ASSERT(wxString::Format(wxT("%d"), 255) == wxT("255"));
114 CPPUNIT_ASSERT(wxString::Format(wxT("%05d"), 255) == wxT("00255"));
115 CPPUNIT_ASSERT(wxString::Format(wxT("% 5d"), 255) == wxT(" 255"));
116 CPPUNIT_ASSERT(wxString::Format(wxT("% 5d"), -255) == wxT(" -255"));
117 CPPUNIT_ASSERT(wxString::Format(wxT("%-5d"), -255) == wxT("-255 "));
118 CPPUNIT_ASSERT(wxString::Format(wxT("%+5d"), 255) == wxT(" +255"));
119 CPPUNIT_ASSERT(wxString::Format(wxT("%*d"), 5, 255) == wxT(" 255"));
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120}
121
122void FormatConverterTestCase::format_hd()
123{
50e27899 124 doTest("hd", "hd", "hd", "hd", "hd");
7d5ab151 125 short s = 32767;
9a83f860 126 CPPUNIT_ASSERT(wxString::Format(wxT("%hd"), s) == wxT("32767"));
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127}
128
129void FormatConverterTestCase::format_ld()
130{
50e27899 131 doTest("ld", "ld", "ld", "ld", "ld");
7d5ab151 132 long l = 2147483647L;
9a83f860 133 CPPUNIT_ASSERT(wxString::Format(wxT("%ld"), l) == wxT("2147483647"));
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134}
135
136void FormatConverterTestCase::format_s()
137{
50e27899 138 doTest("s", "ls", "s", "ls", "s");
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139 CPPUNIT_ASSERT(wxString::Format(wxT("%s!"), wxT("test")) == wxT("test!"));
140 CPPUNIT_ASSERT(wxString::Format(wxT("%6s!"), wxT("test")) == wxT(" test!"));
141 CPPUNIT_ASSERT(wxString::Format(wxT("%-6s!"), wxT("test")) == wxT("test !"));
142 CPPUNIT_ASSERT(wxString::Format(wxT("%.6s!"), wxT("test")) == wxT("test!"));
143 CPPUNIT_ASSERT(wxString::Format(wxT("%6.4s!"), wxT("testing")) == wxT(" test!"));
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144}
145
146void FormatConverterTestCase::format_hs()
147{
50e27899 148 doTest("hs", "hs", "s", "ls", "s");
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149 CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%hs!")), "test") == wxT("test!"));
150 CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%6hs!")), "test") == wxT(" test!"));
151 CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%-6hs!")), "test") == wxT("test !"));
152 CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%.6hs!")), "test") == wxT("test!"));
153 CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%6.4hs!")), "testing") == wxT(" test!"));
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154}
155
156void FormatConverterTestCase::format_ls()
157{
50e27899 158 doTest("ls", "ls", "s", "ls", "s");
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159 CPPUNIT_ASSERT(wxString::Format(wxT("%ls!"), L"test") == wxT("test!"));
160 CPPUNIT_ASSERT(wxString::Format(wxT("%6ls!"), L"test") == wxT(" test!"));
161 CPPUNIT_ASSERT(wxString::Format(wxT("%-6ls!"), L"test") == wxT("test !"));
162 CPPUNIT_ASSERT(wxString::Format(wxT("%.6ls!"), L"test") == wxT("test!"));
163 CPPUNIT_ASSERT(wxString::Format(wxT("%6.4ls!"), L"testing") == wxT(" test!"));
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164}
165
166void FormatConverterTestCase::format_c()
167{
093315a1 168 doTest("c", "lc", "lc", "lc", "c");
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169 CPPUNIT_ASSERT(wxString::Format(wxT("%c"), wxT('x')) == wxT("x"));
170 CPPUNIT_ASSERT(wxString::Format(wxT("%2c"), wxT('x')) == wxT(" x"));
171 CPPUNIT_ASSERT(wxString::Format(wxT("%-2c"), wxT('x')) == wxT("x "));
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172}
173
174void FormatConverterTestCase::format_hc()
175{
093315a1 176 doTest("hc", "hc", "lc", "lc", "c");
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177 CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%hc")), 'x') == wxT("x"));
178 CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%2hc")), 'x') == wxT(" x"));
179 CPPUNIT_ASSERT(wxString::Format(wxString(wxT("%-2hc")), 'x') == wxT("x "));
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180}
181
182void FormatConverterTestCase::format_lc()
183{
093315a1 184 doTest("lc", "lc", "lc", "lc", "c");
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185 CPPUNIT_ASSERT(wxString::Format(wxT("%lc"), L'x') == wxT("x"));
186 CPPUNIT_ASSERT(wxString::Format(wxT("%2lc"), L'x') == wxT(" x"));
187 CPPUNIT_ASSERT(wxString::Format(wxT("%-2lc"), L'x') == wxT("x "));
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188}
189
7d5ab151 190
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191void FormatConverterTestCase::format_S()
192 { doTest("S", "s", "s", "ls", "s"); }
193void FormatConverterTestCase::format_hS()
194 { doTest("hS", "s", "s", "ls", "s"); }
195void FormatConverterTestCase::format_lS()
196 { doTest("lS", "ls", "s", "ls", "s"); }
7d5ab151 197
50e27899 198void FormatConverterTestCase::format_C()
093315a1 199 { doTest("C", "c", "lc", "lc", "c"); }
50e27899 200void FormatConverterTestCase::format_hC()
093315a1 201 { doTest("hC", "c", "lc", "lc", "c"); }
50e27899 202void FormatConverterTestCase::format_lC()
093315a1 203 { doTest("lC", "lc", "lc", "lc", "c"); }
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204
205// It's possible that although a format converts correctly alone, it leaves
206// the converter in a bad state that will affect subsequent formats, so
207// check with a selection of longer patterns.
208//
209void FormatConverterTestCase::testLonger()
210{
211 struct {
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212 const char *input;
213 const char *expectedScanf;
214 const char *expectedWcharUnix;
215 const char *expectedWcharWindows;
216 const char *expectedUtf8;
7d5ab151 217 } formats[] = {
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218 { "%d", "%d", "%d", "%d", "%d" },
219 { "%*hd", "%*hd", "%*hd", "%*hd", "%*hd" },
220 { "%.4ld", "%.4ld", "%.4ld", "%.4ld", "%.4ld" },
221 { "%-.*s", "%-.*ls", "%-.*ls", "%-.*s", "%-.*s" },
222 { "%.*hs", "%.*hs", "%.*ls", "%.*s", "%.*s" },
223 { "%-.9ls", "%-.9ls", "%-.9ls", "%-.9s", "%-.9s" },
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224 { "%-*c", "%-*lc", "%-*lc", "%-*c", "%-*lc" },
225 { "%3hc", "%3hc", "%3lc", "%3c", "%3lc" },
226 { "%-5lc", "%-5lc", "%-5lc", "%-5c", "%-5lc" }
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227 };
228 size_t i, j;
229
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230 // test all possible pairs of the above patterns
231 for (i = 0; i < WXSIZEOF(formats); i++) {
232 if (formats[i].input) {
233 wxString input(formats[i].input);
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234 wxString expectedScanf(formats[i].expectedScanf);
235 wxString expectedUtf8(formats[i].expectedUtf8);
236 wxString expectedWcharUnix(formats[i].expectedWcharUnix);
237 wxString expectedWcharWindows(formats[i].expectedWcharWindows);
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238
239 for (j = 0; j < WXSIZEOF(formats); j++)
240 if (formats[j].input)
241 check(input + formats[j].input,
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242 expectedScanf + formats[j].expectedScanf,
243 expectedUtf8 + formats[j].expectedUtf8,
244 expectedWcharUnix + formats[j].expectedWcharUnix,
245 expectedWcharWindows + formats[j].expectedWcharWindows);
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246 }
247 }
248}
249
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250void FormatConverterTestCase::doTest(const char *input,
251 const char *expectedScanf,
252 const char *expectedUtf8,
253 const char *expectedWcharUnix,
254 const char *expectedWcharWindows)
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255{
256 static const wxChar *flag_width[] =
9a83f860 257 { wxT(""), wxT("*"), wxT("10"), wxT("-*"), wxT("-10"), NULL };
7d5ab151 258 static const wxChar *precision[] =
9a83f860 259 { wxT(""), wxT(".*"), wxT(".10"), NULL };
7d5ab151 260 static const wxChar *empty[] =
9a83f860 261 { wxT(""), NULL };
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262
263 // no precision for %c or %C
9a83f860 264 const wxChar **precs = wxTolower(input[wxStrlen(input)-1]) == wxT('c') ?
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265 empty : precision;
266
9a83f860 267 wxString fmt(wxT("%"));
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268
269 // try the test for a variety of combinations of flag, width and precision
270 for (const wxChar **prec = precs; *prec; prec++)
271 for (const wxChar **width = flag_width; *width; width++)
272 check(fmt + *width + *prec + input,
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273 fmt + *width + *prec + expectedScanf,
274 fmt + *width + *prec + expectedUtf8,
275 fmt + *width + *prec + expectedWcharUnix,
276 fmt + *width + *prec + expectedWcharWindows);
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277}
278
279void FormatConverterTestCase::check(const wxString& input,
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280 const wxString& expectedScanf,
281 const wxString& expectedUtf8,
282 const wxString& expectedWcharUnix,
283 const wxString& expectedWcharWindows)
7d5ab151 284{
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285 // all of them are unused in some build configurations
286 wxUnusedVar(expectedScanf);
287 wxUnusedVar(expectedUtf8);
288 wxUnusedVar(expectedWcharUnix);
289 wxUnusedVar(expectedWcharWindows);
290
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291 wxString result, msg;
292
293#ifndef __WINDOWS__
294 // on windows, wxScanf() string needs no modifications
295 result = wxScanfConvertFormatW(input.wc_str());
296
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297 msg = wxT("input: '") + input +
298 wxT("', result (scanf): '") + result +
299 wxT("', expected: '") + expectedScanf + wxT("'");
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300 CPPUNIT_ASSERT_MESSAGE(string(msg.mb_str()), result == expectedScanf);
301#endif // !__WINDOWS__
302
303#if wxUSE_UNICODE_UTF8
304 result = (const char*)wxFormatString(input);
305
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306 msg = wxT("input: '") + input +
307 wxT("', result (UTF-8): '") + result +
308 wxT("', expected: '") + expectedUtf8 + wxT("'");
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309 CPPUNIT_ASSERT_MESSAGE(string(msg.mb_str()), result == expectedUtf8);
310#endif // wxUSE_UNICODE_UTF8
311
312#if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
313 result = (const wchar_t*)wxFormatString(input);
314
315#ifdef __WINDOWS__
316 wxString expectedWchar(expectedWcharWindows);
317#else
318 wxString expectedWchar(expectedWcharUnix);
319#endif
320
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321 msg = wxT("input: '") + input +
322 wxT("', result (wchar_t): '") + result +
323 wxT("', expected: '") + expectedWchar + wxT("'");
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324 CPPUNIT_ASSERT_MESSAGE(string(msg.mb_str()), result == expectedWchar);
325#endif // wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
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326}
327
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328
329// register in the unnamed registry so that these tests are run by default
330CPPUNIT_TEST_SUITE_REGISTRATION(FormatConverterTestCase);
331
e3778b4d 332// also include in its own registry so that these tests can be run alone
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333CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(FormatConverterTestCase,
334 "FormatConverterTestCase");
335