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[wxWidgets.git] / tests / textfile / textfiletest.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: tests/textfile/textfile.cpp
3 // Purpose: wxTextFile unit test
4 // Author: Vadim Zeitlin
5 // Created: 2006-03-31
6 // Copyright: (c) 2006 Vadim Zeitlin
7 ///////////////////////////////////////////////////////////////////////////////
8
9 // ----------------------------------------------------------------------------
10 // headers
11 // ----------------------------------------------------------------------------
12
13 #include "testprec.h"
14
15 #ifdef __BORLANDC__
16 #pragma hdrstop
17 #endif
18
19 #if wxUSE_TEXTFILE
20
21 #ifndef WX_PRECOMP
22 #endif // WX_PRECOMP
23
24 #include "wx/ffile.h"
25 #include "wx/textfile.h"
26
27 #ifdef __VISUALC__
28 #define unlink _unlink
29 #endif
30
31 // ----------------------------------------------------------------------------
32 // test class
33 // ----------------------------------------------------------------------------
34
35 class TextFileTestCase : public CppUnit::TestCase
36 {
37 public:
38 TextFileTestCase() { }
39
40 virtual void tearDown() { unlink(GetTestFileName()); }
41
42 private:
43 CPPUNIT_TEST_SUITE( TextFileTestCase );
44 CPPUNIT_TEST( ReadEmpty );
45 CPPUNIT_TEST( ReadDOS );
46 CPPUNIT_TEST( ReadUnix );
47 CPPUNIT_TEST( ReadMac );
48 CPPUNIT_TEST( ReadMixed );
49 #if wxUSE_UNICODE
50 CPPUNIT_TEST( ReadUTF8 );
51 CPPUNIT_TEST( ReadUTF16 );
52 #endif // wxUSE_UNICODE
53 CPPUNIT_TEST( ReadBig );
54 CPPUNIT_TEST_SUITE_END();
55
56 void ReadEmpty();
57 void ReadDOS();
58 void ReadUnix();
59 void ReadMac();
60 void ReadMixed();
61 #if wxUSE_UNICODE
62 void ReadUTF8();
63 void ReadUTF16();
64 #endif // wxUSE_UNICODE
65 void ReadBig();
66
67 // return the name of the test file we use
68 static const char *GetTestFileName() { return "textfiletest.txt"; }
69
70 // create the test file with the given contents
71 static void CreateTestFile(const char *contents)
72 {
73 CreateTestFile(strlen(contents), contents);
74 }
75
76 // create the test file with the given contents (version must be used if
77 // contents contains NULs)
78 static void CreateTestFile(size_t len, const char *contents);
79
80
81 DECLARE_NO_COPY_CLASS(TextFileTestCase)
82 };
83
84 // register in the unnamed registry so that these tests are run by default
85 CPPUNIT_TEST_SUITE_REGISTRATION( TextFileTestCase );
86
87 // also include in its own registry so that these tests can be run alone
88 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TextFileTestCase, "TextFileTestCase" );
89
90 void TextFileTestCase::CreateTestFile(size_t len, const char *contents)
91 {
92 FILE *f = fopen(GetTestFileName(), "wb");
93 CPPUNIT_ASSERT( f );
94
95 CPPUNIT_ASSERT_EQUAL( len, fwrite(contents, 1, len, f) );
96 CPPUNIT_ASSERT_EQUAL( 0, fclose(f) );
97 }
98
99 void TextFileTestCase::ReadEmpty()
100 {
101 CreateTestFile("");
102
103 wxTextFile f;
104 CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
105
106 CPPUNIT_ASSERT_EQUAL( (size_t)0, f.GetLineCount() );
107 }
108
109 void TextFileTestCase::ReadDOS()
110 {
111 CreateTestFile("foo\r\nbar\r\nbaz");
112
113 wxTextFile f;
114 CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
115
116 CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
117 CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(0) );
118 CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(2) );
119 CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
120 CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
121 }
122
123 void TextFileTestCase::ReadUnix()
124 {
125 CreateTestFile("foo\nbar\nbaz");
126
127 wxTextFile f;
128 CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
129
130 CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
131 CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(0) );
132 CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(2) );
133 CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
134 CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
135 }
136
137 void TextFileTestCase::ReadMac()
138 {
139 CreateTestFile("foo\rbar\rbaz");
140
141 wxTextFile f;
142 CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
143
144 CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
145 CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(0) );
146 CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(2) );
147 CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
148 CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
149 }
150
151 void TextFileTestCase::ReadMixed()
152 {
153 CreateTestFile("foo\rbar\r\nbaz\n");
154
155 wxTextFile f;
156 CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
157
158 CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
159 CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(0) );
160 CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(1) );
161 CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(2) );
162 CPPUNIT_ASSERT_EQUAL( wxString(wxT("foo")), f.GetFirstLine() );
163 CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
164 CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
165 }
166
167 #if wxUSE_UNICODE
168
169 void TextFileTestCase::ReadUTF8()
170 {
171 CreateTestFile("\xd0\x9f\n"
172 "\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82");
173
174 wxTextFile f;
175 CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName()), wxConvUTF8) );
176
177 CPPUNIT_ASSERT_EQUAL( (size_t)2, f.GetLineCount() );
178 CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(0) );
179 CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(1) );
180 #ifdef wxHAVE_U_ESCAPE
181 CPPUNIT_ASSERT_EQUAL( wxString(L"\u041f"), f.GetFirstLine() );
182 CPPUNIT_ASSERT_EQUAL( wxString(L"\u0440\u0438\u0432\u0435\u0442"),
183 f.GetLastLine() );
184 #endif // wxHAVE_U_ESCAPE
185 }
186
187 void TextFileTestCase::ReadUTF16()
188 {
189 CreateTestFile(16,
190 "\x1f\x04\x0d\x00\x0a\x00"
191 "\x40\x04\x38\x04\x32\x04\x35\x04\x42\x04");
192
193 wxTextFile f;
194 wxMBConvUTF16LE conv;
195 CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName()), conv) );
196
197 CPPUNIT_ASSERT_EQUAL( (size_t)2, f.GetLineCount() );
198 CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(0) );
199 CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(1) );
200
201 #ifdef wxHAVE_U_ESCAPE
202 CPPUNIT_ASSERT_EQUAL( wxString(L"\u041f"), f.GetFirstLine() );
203 CPPUNIT_ASSERT_EQUAL( wxString(L"\u0440\u0438\u0432\u0435\u0442"),
204 f.GetLastLine() );
205 #endif // wxHAVE_U_ESCAPE
206 }
207
208 #endif // wxUSE_UNICODE
209
210 void TextFileTestCase::ReadBig()
211 {
212 static const size_t NUM_LINES = 10000;
213
214 {
215 wxFFile f(GetTestFileName(), "w");
216 for ( size_t n = 0; n < NUM_LINES; n++ )
217 {
218 fprintf(f.fp(), "Line %lu\n", (unsigned long)n + 1);
219 }
220 }
221
222 wxTextFile f;
223 CPPUNIT_ASSERT( f.Open(GetTestFileName()) );
224
225 CPPUNIT_ASSERT_EQUAL( NUM_LINES, f.GetLineCount() );
226 CPPUNIT_ASSERT_EQUAL( wxString("Line 1"), f[0] );
227 CPPUNIT_ASSERT_EQUAL( wxString("Line 999"), f[998] );
228 CPPUNIT_ASSERT_EQUAL( wxString("Line 1000"), f[999] );
229 CPPUNIT_ASSERT_EQUAL( wxString::Format("Line %lu", (unsigned long)NUM_LINES),
230 f[NUM_LINES - 1] );
231 }
232
233 #endif // wxUSE_TEXTFILE
234
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