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 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2006 Vadim Zeitlin
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "testprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #if wxUSE_TEXTFILE
  21
  22 #ifndef WX_PRECOMP
  23 #endif // WX_PRECOMP
  24
  25 #include "wx/ffile.h"
  26 #include "wx/textfile.h"
  27
  28 #ifdef __VISUALC__
  29     #define unlink _unlink
  30 #endif
  31
  32 // ----------------------------------------------------------------------------
  33 // test class
  34 // ----------------------------------------------------------------------------
  35
  36 class TextFileTestCase : public CppUnit::TestCase
  37 {
  38 public:
  39     TextFileTestCase() { }
  40
  41     virtual void tearDown() { unlink(GetTestFileName()); }
  42
  43 private:
  44     CPPUNIT_TEST_SUITE( TextFileTestCase );
  45         CPPUNIT_TEST( ReadEmpty );
  46         CPPUNIT_TEST( ReadDOS );
  47         CPPUNIT_TEST( ReadUnix );
  48         CPPUNIT_TEST( ReadMac );
  49         CPPUNIT_TEST( ReadMixed );
  50 #if wxUSE_UNICODE
  51         CPPUNIT_TEST( ReadUTF8 );
  52         CPPUNIT_TEST( ReadUTF16 );
  53 #endif // wxUSE_UNICODE
  54         CPPUNIT_TEST( ReadBig );
  55     CPPUNIT_TEST_SUITE_END();
  56
  57     void ReadEmpty();
  58     void ReadDOS();
  59     void ReadUnix();
  60     void ReadMac();
  61     void ReadMixed();
  62 #if wxUSE_UNICODE
  63     void ReadUTF8();
  64     void ReadUTF16();
  65 #endif // wxUSE_UNICODE
  66     void ReadBig();
  67
  68     // return the name of the test file we use
  69     static const char *GetTestFileName() { return "textfiletest.txt"; }
  70
  71     // create the test file with the given contents
  72     static void CreateTestFile(const char *contents)
  73     {
  74         CreateTestFile(strlen(contents), contents);
  75     }
  76
  77     // create the test file with the given contents (version must be used if
  78     // contents contains NULs)
  79     static void CreateTestFile(size_t len, const char *contents);
  80
  81
  82     DECLARE_NO_COPY_CLASS(TextFileTestCase)
  83 };
  84
  85 // register in the unnamed registry so that these tests are run by default
  86 CPPUNIT_TEST_SUITE_REGISTRATION( TextFileTestCase );
  87
  88 // also include in it's own registry so that these tests can be run alone
  89 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TextFileTestCase, "TextFileTestCase" );
  90
  91 void TextFileTestCase::CreateTestFile(size_t len, const char *contents)
  92 {
  93     FILE *f = fopen(GetTestFileName(), "wb");
  94     CPPUNIT_ASSERT( f );
  95
  96     CPPUNIT_ASSERT_EQUAL( len, fwrite(contents, 1, len, f) );
  97     CPPUNIT_ASSERT_EQUAL( 0, fclose(f) );
  98 }
  99
 100 void TextFileTestCase::ReadEmpty()
 101 {
 102     CreateTestFile("");
 103
 104     wxTextFile f;
 105     CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
 106
 107     CPPUNIT_ASSERT_EQUAL( (size_t)0, f.GetLineCount() );
 108 }
 109
 110 void TextFileTestCase::ReadDOS()
 111 {
 112     CreateTestFile("foo\r\nbar\r\nbaz");
 113
 114     wxTextFile f;
 115     CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
 116
 117     CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
 118     CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(0) );
 119     CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(2) );
 120     CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
 121     CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
 122 }
 123
 124 void TextFileTestCase::ReadUnix()
 125 {
 126     CreateTestFile("foo\nbar\nbaz");
 127
 128     wxTextFile f;
 129     CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
 130
 131     CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
 132     CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(0) );
 133     CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(2) );
 134     CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
 135     CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
 136 }
 137
 138 void TextFileTestCase::ReadMac()
 139 {
 140     CreateTestFile("foo\rbar\rbaz");
 141
 142     wxTextFile f;
 143     CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
 144
 145     CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
 146     CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(0) );
 147     CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(2) );
 148     CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
 149     CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
 150 }
 151
 152 void TextFileTestCase::ReadMixed()
 153 {
 154     CreateTestFile("foo\rbar\r\nbaz\n");
 155
 156     wxTextFile f;
 157     CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName())) );
 158
 159     CPPUNIT_ASSERT_EQUAL( (size_t)3, f.GetLineCount() );
 160     CPPUNIT_ASSERT_EQUAL( wxTextFileType_Mac, f.GetLineType(0) );
 161     CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(1) );
 162     CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(2) );
 163     CPPUNIT_ASSERT_EQUAL( wxString(wxT("foo")), f.GetFirstLine() );
 164     CPPUNIT_ASSERT_EQUAL( wxString(wxT("bar")), f.GetLine(1) );
 165     CPPUNIT_ASSERT_EQUAL( wxString(wxT("baz")), f.GetLastLine() );
 166 }
 167
 168 #if wxUSE_UNICODE
 169
 170 void TextFileTestCase::ReadUTF8()
 171 {
 172     CreateTestFile("\xd0\x9f\n"
 173                    "\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82");
 174
 175     wxTextFile f;
 176     CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName()), wxConvUTF8) );
 177
 178     CPPUNIT_ASSERT_EQUAL( (size_t)2, f.GetLineCount() );
 179     CPPUNIT_ASSERT_EQUAL( wxTextFileType_Unix, f.GetLineType(0) );
 180     CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(1) );
 181 #ifdef wxHAVE_U_ESCAPE
 182     CPPUNIT_ASSERT_EQUAL( wxString(L"\u041f"), f.GetFirstLine() );
 183     CPPUNIT_ASSERT_EQUAL( wxString(L"\u0440\u0438\u0432\u0435\u0442"),
 184                           f.GetLastLine() );
 185 #endif // wxHAVE_U_ESCAPE
 186 }
 187
 188 void TextFileTestCase::ReadUTF16()
 189 {
 190     CreateTestFile(16,
 191                    "\x1f\x04\x0d\x00\x0a\x00"
 192                    "\x40\x04\x38\x04\x32\x04\x35\x04\x42\x04");
 193
 194     wxTextFile f;
 195     wxMBConvUTF16LE conv;
 196     CPPUNIT_ASSERT( f.Open(wxString::FromAscii(GetTestFileName()), conv) );
 197
 198     CPPUNIT_ASSERT_EQUAL( (size_t)2, f.GetLineCount() );
 199     CPPUNIT_ASSERT_EQUAL( wxTextFileType_Dos, f.GetLineType(0) );
 200     CPPUNIT_ASSERT_EQUAL( wxTextFileType_None, f.GetLineType(1) );
 201
 202 #ifdef wxHAVE_U_ESCAPE
 203     CPPUNIT_ASSERT_EQUAL( wxString(L"\u041f"), f.GetFirstLine() );
 204     CPPUNIT_ASSERT_EQUAL( wxString(L"\u0440\u0438\u0432\u0435\u0442"),
 205                           f.GetLastLine() );
 206 #endif // wxHAVE_U_ESCAPE
 207 }
 208
 209 #endif // wxUSE_UNICODE
 210
 211 void TextFileTestCase::ReadBig()
 212 {
 213     static const size_t NUM_LINES = 10000;
 214
 215     {
 216         wxFFile f(GetTestFileName(), "w");
 217         for ( size_t n = 0; n < NUM_LINES; n++ )
 218         {
 219             fprintf(f.fp(), "Line %lu\n", (unsigned long)n + 1);
 220         }
 221     }
 222
 223     wxTextFile f;
 224     CPPUNIT_ASSERT( f.Open(GetTestFileName()) );
 225
 226     CPPUNIT_ASSERT_EQUAL( NUM_LINES, f.GetLineCount() );
 227     CPPUNIT_ASSERT_EQUAL( wxString("Line 1"), f[0] );
 228     CPPUNIT_ASSERT_EQUAL( wxString("Line 999"), f[998] );
 229     CPPUNIT_ASSERT_EQUAL( wxString("Line 1000"), f[999] );
 230     CPPUNIT_ASSERT_EQUAL( wxString::Format("Line %lu", (unsigned long)NUM_LINES),
 231                           f[NUM_LINES - 1] );
 232 }
 233
 234 #endif // wxUSE_TEXTFILE
 235