extracted wxStringTokenizer tests in their own file and rewrote them to be table...

[wxWidgets.git] / tests / strings / tokenizer.cpp

diff --git a/tests/strings/tokenizer.cpp b/tests/strings/tokenizer.cpp
new file mode 100644 (file)
index 0000000..0569ae9
--- /dev/null
+++ b/tests/strings/tokenizer.cpp
@@ -0,0 +1,174 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        tests/strings/strings.cpp
+// Purpose:     wxStringTokenizer unit test
+// Author:      Vadim Zeitlin
+// Created:     2005-12-20 (extacted from strings.cpp)
+// RCS-ID:      $Id$
+// Copyright:   (c) 2004-2005 Vadim Zeitlin
+///////////////////////////////////////////////////////////////////////////////
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "testprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/wx.h"
+#endif // WX_PRECOMP
+
+#include "wx/tokenzr.h"
+
+// ----------------------------------------------------------------------------
+// test class
+// ----------------------------------------------------------------------------
+
+class TokenizerTestCase : public CppUnit::TestCase
+{
+public:
+    TokenizerTestCase() { }
+
+private:
+    CPPUNIT_TEST_SUITE( TokenizerTestCase );
+        CPPUNIT_TEST( GetCount );
+        CPPUNIT_TEST( GetPosition );
+        CPPUNIT_TEST( StrtokCompat );
+    CPPUNIT_TEST_SUITE_END();
+
+    void GetCount();
+    void GetPosition();
+    void StrtokCompat();
+
+    DECLARE_NO_COPY_CLASS(TokenizerTestCase)
+};
+
+// register in the unnamed registry so that these tests are run by default
+CPPUNIT_TEST_SUITE_REGISTRATION( TokenizerTestCase );
+
+// also include in it's own registry so that these tests can be run alone
+CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TokenizerTestCase, "TokenizerTestCase" );
+
+// ----------------------------------------------------------------------------
+// test data
+// ----------------------------------------------------------------------------
+
+static const struct TokenizerTestData
+{
+    // the string to tokenize
+    const wxChar *str;
+
+    // the delimiters to use
+    const wxChar *delims;
+
+    // the tokenizer mode
+    wxStringTokenizerMode mode;
+
+    // expected number of tokens
+    size_t count;
+}
+gs_testData[] =
+{
+    { _T(""),                   _T(" "),              wxTOKEN_DEFAULT      , 0 },
+    { _T("Hello, world"),       _T(" "),              wxTOKEN_DEFAULT      , 2 },
+    { _T("Hello,   world  "),   _T(" "),              wxTOKEN_DEFAULT      , 2 },
+    { _T("Hello, world"),       _T(","),              wxTOKEN_DEFAULT      , 2 },
+    { _T("Hello, world!"),      _T(",!"),             wxTOKEN_DEFAULT      , 2 },
+    { _T("Hello,, world!"),     _T(",!"),             wxTOKEN_DEFAULT      , 3 },
+    { _T("Hello, world!"),      _T(",!"),             wxTOKEN_RET_EMPTY_ALL, 3 },
+    { _T("username:password:uid:gid:gecos:home:shell"),
+                                _T(":"),              wxTOKEN_DEFAULT      , 7 },
+    { _T("1 \t3\t4  6   "),     wxDEFAULT_DELIMITERS, wxTOKEN_DEFAULT      , 4 },
+    { _T("1 \t3\t4  6   "),     wxDEFAULT_DELIMITERS, wxTOKEN_RET_EMPTY    , 6 },
+    { _T("1 \t3\t4  6   "),     wxDEFAULT_DELIMITERS, wxTOKEN_RET_EMPTY_ALL, 9 },
+    { _T("01/02/99"),           _T("/-"),             wxTOKEN_DEFAULT      , 3 },
+    { _T("01-02/99"),           _T("/-"),             wxTOKEN_RET_DELIMS   , 3 },
+};
+
+// ----------------------------------------------------------------------------
+// the tests
+// ----------------------------------------------------------------------------
+
+void TokenizerTestCase::GetCount()
+{
+    for ( size_t n = 0; n < WXSIZEOF(gs_testData); n++ )
+    {
+        const TokenizerTestData& ttd = gs_testData[n];
+
+        wxStringTokenizer tkz(ttd.str, ttd.delims, ttd.mode);
+        CPPUNIT_ASSERT( tkz.CountTokens() == ttd.count );
+
+        size_t count = 0;
+        while ( tkz.HasMoreTokens() )
+        {
+            tkz.GetNextToken();
+            count++;
+        }
+
+        CPPUNIT_ASSERT_EQUAL( ttd.count, count );
+    }
+}
+
+// call this with the string to tokenize, delimeters to use and the expected
+// positions (i.e. results of GetPosition()) after each GetNextToken() call,
+// terminate positions with 0
+static void
+DoTestGetPosition(const wxChar *s, const wxChar *delims, int pos, ...)
+{
+    wxStringTokenizer tkz(s, delims);
+
+    CPPUNIT_ASSERT_EQUAL( (size_t)0, tkz.GetPosition() );
+
+    va_list ap;
+    va_start(ap, pos);
+
+    for ( ;; )
+    {
+        if ( !pos )
+        {
+            CPPUNIT_ASSERT( !tkz.HasMoreTokens() );
+            break;
+        }
+
+        tkz.GetNextToken();
+
+        CPPUNIT_ASSERT_EQUAL( (size_t)pos, tkz.GetPosition() );
+
+        pos = va_arg(ap, int);
+    }
+
+    va_end(ap);
+}
+
+void TokenizerTestCase::GetPosition()
+{
+    DoTestGetPosition(_T("foo"), _T("_"), 3, 0);
+    DoTestGetPosition(_T("foo_bar"), _T("_"), 4, 7, 0);
+    DoTestGetPosition(_T("foo_bar_"), _T("_"), 4, 8, 0);
+}
+
+void TokenizerTestCase::StrtokCompat()
+{
+    for ( size_t n = 0; n < WXSIZEOF(gs_testData); n++ )
+    {
+        const TokenizerTestData& ttd = gs_testData[n];
+        if ( ttd.mode != wxTOKEN_STRTOK )
+            continue;
+
+        wxCharBuffer buf(ttd.str);
+        wxChar *last;
+        wxChar *s = wxStrtok(buf.data(), ttd.delims, &last);
+
+        wxStringTokenizer tkz(ttd.str, ttd.delims, ttd.mode);
+        while ( tkz.HasMoreTokens() )
+        {
+            CPPUNIT_ASSERT_EQUAL( wxString(s), tkz.GetNextToken() );
+            s = wxStrtok(NULL, ttd.delims, &last);
+        }
+    }
+}
+
+