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[wxWidgets.git] / tests / mbconv / mbconvtest.cpp
diff --git a/tests/mbconv/mbconvtest.cpp b/tests/mbconv/mbconvtest.cpp
index 691739b6c0fa1bc1b4d6709be472ddd90ccfc666..93f3ea020f59b445249f60d37040cab39bbb7bbe 100644 (file)
--- a/tests/mbconv/mbconvtest.cpp
+++ b/tests/mbconv/mbconvtest.cpp
@@ -81,6 +81,7 @@ private:
         CPPUNIT_TEST( Latin1Tests );
         CPPUNIT_TEST( FontmapTests );
         CPPUNIT_TEST( BufSize );
         CPPUNIT_TEST( Latin1Tests );
         CPPUNIT_TEST( FontmapTests );
         CPPUNIT_TEST( BufSize );
+        CPPUNIT_TEST( FromWCharTests );
 #ifdef HAVE_WCHAR_H
         CPPUNIT_TEST( UTF8_41 );
         CPPUNIT_TEST( UTF8_7f );
 #ifdef HAVE_WCHAR_H
         CPPUNIT_TEST( UTF8_41 );
         CPPUNIT_TEST( UTF8_7f );
@@ -115,6 +116,7 @@ private:
     void LibcTests();
     void FontmapTests();
     void BufSize();
     void LibcTests();
     void FontmapTests();
     void BufSize();
+    void FromWCharTests();
     void IconvTests();
     void Latin1Tests();
 
     void IconvTests();
     void Latin1Tests();
 
@@ -215,7 +217,7 @@ private:
 // register in the unnamed registry so that these tests are run by default
 CPPUNIT_TEST_SUITE_REGISTRATION( MBConvTestCase );
 
 // register in the unnamed registry so that these tests are run by default
 CPPUNIT_TEST_SUITE_REGISTRATION( MBConvTestCase );
 
-// also include in it's own registry so that these tests can be run alone
+// also include in its own registry so that these tests can be run alone
 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( MBConvTestCase, "MBConvTestCase" );
 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( MBConvTestCase, "MBConv" );
 
 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( MBConvTestCase, "MBConvTestCase" );
 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( MBConvTestCase, "MBConv" );
 
@@ -254,22 +256,22 @@ wxString CByteArrayFormat( const void* data, size_t len, const wxChar* name )
     const unsigned char* bytes = (unsigned char*)data;
     wxString result;
 
     const unsigned char* bytes = (unsigned char*)data;
     wxString result;
 
-    result.Printf( _T("const static unsigned char %s[%i] = \n{"), name, (int)len );
+    result.Printf( wxT("static const unsigned char %s[%i] = \n{"), name, (int)len );
 
     for ( size_t i = 0; i < len; i++ )
     {
         if ( i != 0 )
         {
 
     for ( size_t i = 0; i < len; i++ )
     {
         if ( i != 0 )
         {
-            result.append( _T(",") );
+            result.append( wxT(",") );
         }
         if ((i%16)==0)
         {
         }
         if ((i%16)==0)
         {
-            result.append( _T("\n    ") );
+            result.append( wxT("\n    ") );
         }
         }
-        wxString byte = wxString::Format( _T("0x%02x"), bytes[i] );
+        wxString byte = wxString::Format( wxT("0x%02x"), bytes[i] );
         result.append(byte);
     }
         result.append(byte);
     }
-    result.append( _T("\n};\n") );
+    result.append( wxT("\n};\n") );
     return result;
 }
 
     return result;
 }
 
@@ -277,7 +279,7 @@ wxString CByteArrayFormat( const void* data, size_t len, const wxChar* name )
 // characters, encoded in several different formats.
 
 // encoded by iconv
 // characters, encoded in several different formats.
 
 // encoded by iconv
-const static unsigned char welcome_utf7_iconv[84] =
+static const unsigned char welcome_utf7_iconv[84] =
 {
     0x57,0x65,0x6c,0x63,0x6f,0x6d,0x65,0x20,0x74,0x6f,0x20,0x6f,0x75,0x72,0x20,0x63,
     0x79,0x62,0x65,0x72,0x20,0x73,0x70,0x61,0x63,0x65,0x20,0x66,0x6f,0x72,0x63,0x65,
 {
     0x57,0x65,0x6c,0x63,0x6f,0x6d,0x65,0x20,0x74,0x6f,0x20,0x6f,0x75,0x72,0x20,0x63,
     0x79,0x62,0x65,0x72,0x20,0x73,0x70,0x61,0x63,0x65,0x20,0x66,0x6f,0x72,0x63,0x65,
@@ -287,7 +289,7 @@ const static unsigned char welcome_utf7_iconv[84] =
     0x57,0x54,0x41,0x43
 };
 // encoded by wxWindows (iconv can decode this successfully)
     0x57,0x54,0x41,0x43
 };
 // encoded by wxWindows (iconv can decode this successfully)
-const static unsigned char welcome_utf7_wx[109] =
+static const unsigned char welcome_utf7_wx[109] =
 {
     0x57,0x65,0x6c,0x63,0x6f,0x6d,0x65,0x2b,0x41,0x43,0x41,0x2d,0x74,0x6f,0x2b,0x41,
     0x43,0x41,0x2d,0x6f,0x75,0x72,0x2b,0x41,0x43,0x41,0x2d,0x63,0x79,0x62,0x65,0x72,
 {
     0x57,0x65,0x6c,0x63,0x6f,0x6d,0x65,0x2b,0x41,0x43,0x41,0x2d,0x74,0x6f,0x2b,0x41,
     0x43,0x41,0x2d,0x6f,0x75,0x72,0x2b,0x41,0x43,0x41,0x2d,0x63,0x79,0x62,0x65,0x72,
@@ -298,7 +300,7 @@ const static unsigned char welcome_utf7_wx[109] =
     0x51,0x77,0x52,0x44,0x42,0x6e,0x4d,0x46,0x6b,0x77,0x41,0x67,0x2d
 };
 // encoded by iconv
     0x51,0x77,0x52,0x44,0x42,0x6e,0x4d,0x46,0x6b,0x77,0x41,0x67,0x2d
 };
 // encoded by iconv
-const static unsigned char welcome_utf8[89] =
+static const unsigned char welcome_utf8[89] =
 {
     0x57,0x65,0x6c,0x63,0x6f,0x6d,0x65,0x20,0x74,0x6f,0x20,0x6f,0x75,0x72,0x20,0x63,
     0x79,0x62,0x65,0x72,0x20,0x73,0x70,0x61,0x63,0x65,0x20,0x66,0x6f,0x72,0x63,0x65,
 {
     0x57,0x65,0x6c,0x63,0x6f,0x6d,0x65,0x20,0x74,0x6f,0x20,0x6f,0x75,0x72,0x20,0x63,
     0x79,0x62,0x65,0x72,0x20,0x73,0x70,0x61,0x63,0x65,0x20,0x66,0x6f,0x72,0x63,0x65,
@@ -308,7 +310,7 @@ const static unsigned char welcome_utf8[89] =
     0xe3,0x81,0xa7,0xe3,0x81,0x99,0xe3,0x80,0x82
 };
 // encoded by iconv
     0xe3,0x81,0xa7,0xe3,0x81,0x99,0xe3,0x80,0x82
 };
 // encoded by iconv
-const static unsigned char welcome_utf16le[106] =
+static const unsigned char welcome_utf16le[106] =
 {
     0x57,0x00,0x65,0x00,0x6c,0x00,0x63,0x00,0x6f,0x00,0x6d,0x00,0x65,0x00,0x20,0x00,
     0x74,0x00,0x6f,0x00,0x20,0x00,0x6f,0x00,0x75,0x00,0x72,0x00,0x20,0x00,0x63,0x00,
 {
     0x57,0x00,0x65,0x00,0x6c,0x00,0x63,0x00,0x6f,0x00,0x6d,0x00,0x65,0x00,0x20,0x00,
     0x74,0x00,0x6f,0x00,0x20,0x00,0x6f,0x00,0x75,0x00,0x72,0x00,0x20,0x00,0x63,0x00,
@@ -319,7 +321,7 @@ const static unsigned char welcome_utf16le[106] =
     0x44,0x30,0x44,0x30,0x67,0x30,0x59,0x30,0x02,0x30
 };
 // encoded by iconv
     0x44,0x30,0x44,0x30,0x67,0x30,0x59,0x30,0x02,0x30
 };
 // encoded by iconv
-const static unsigned char welcome_utf16be[106] =
+static const unsigned char welcome_utf16be[106] =
 {
     0x00,0x57,0x00,0x65,0x00,0x6c,0x00,0x63,0x00,0x6f,0x00,0x6d,0x00,0x65,0x00,0x20,
     0x00,0x74,0x00,0x6f,0x00,0x20,0x00,0x6f,0x00,0x75,0x00,0x72,0x00,0x20,0x00,0x63,
 {
     0x00,0x57,0x00,0x65,0x00,0x6c,0x00,0x63,0x00,0x6f,0x00,0x6d,0x00,0x65,0x00,0x20,
     0x00,0x74,0x00,0x6f,0x00,0x20,0x00,0x6f,0x00,0x75,0x00,0x72,0x00,0x20,0x00,0x63,
@@ -330,7 +332,7 @@ const static unsigned char welcome_utf16be[106] =
     0x30,0x44,0x30,0x44,0x30,0x67,0x30,0x59,0x30,0x02
 };
 // encoded by iconv
     0x30,0x44,0x30,0x44,0x30,0x67,0x30,0x59,0x30,0x02
 };
 // encoded by iconv
-const static unsigned char welcome_utf32le[212] =
+static const unsigned char welcome_utf32le[212] =
 {
     0x57,0x00,0x00,0x00,0x65,0x00,0x00,0x00,0x6c,0x00,0x00,0x00,0x63,0x00,0x00,0x00,
     0x6f,0x00,0x00,0x00,0x6d,0x00,0x00,0x00,0x65,0x00,0x00,0x00,0x20,0x00,0x00,0x00,
 {
     0x57,0x00,0x00,0x00,0x65,0x00,0x00,0x00,0x6c,0x00,0x00,0x00,0x63,0x00,0x00,0x00,
     0x6f,0x00,0x00,0x00,0x6d,0x00,0x00,0x00,0x65,0x00,0x00,0x00,0x20,0x00,0x00,0x00,
@@ -348,7 +350,7 @@ const static unsigned char welcome_utf32le[212] =
     0x02,0x30,0x00,0x00
 };
 // encoded by iconv
     0x02,0x30,0x00,0x00
 };
 // encoded by iconv
-const static unsigned char welcome_utf32be[212] =
+static const unsigned char welcome_utf32be[212] =
 {
     0x00,0x00,0x00,0x57,0x00,0x00,0x00,0x65,0x00,0x00,0x00,0x6c,0x00,0x00,0x00,0x63,
     0x00,0x00,0x00,0x6f,0x00,0x00,0x00,0x6d,0x00,0x00,0x00,0x65,0x00,0x00,0x00,0x20,
 {
     0x00,0x00,0x00,0x57,0x00,0x00,0x00,0x65,0x00,0x00,0x00,0x6c,0x00,0x00,0x00,0x63,
     0x00,0x00,0x00,0x6f,0x00,0x00,0x00,0x6d,0x00,0x00,0x00,0x65,0x00,0x00,0x00,0x20,
@@ -366,7 +368,7 @@ const static unsigned char welcome_utf32be[212] =
     0x00,0x00,0x30,0x02
 };
 // encoded by iconv
     0x00,0x00,0x30,0x02
 };
 // encoded by iconv
-const static unsigned char welcome_cp932[71] =
+static const unsigned char welcome_cp932[71] =
 {
     0x57,0x65,0x6c,0x63,0x6f,0x6d,0x65,0x20,0x74,0x6f,0x20,0x6f,0x75,0x72,0x20,0x63,
     0x79,0x62,0x65,0x72,0x20,0x73,0x70,0x61,0x63,0x65,0x20,0x66,0x6f,0x72,0x63,0x65,
 {
     0x57,0x65,0x6c,0x63,0x6f,0x6d,0x65,0x20,0x74,0x6f,0x20,0x6f,0x75,0x72,0x20,0x63,
     0x79,0x62,0x65,0x72,0x20,0x73,0x70,0x61,0x63,0x65,0x20,0x66,0x6f,0x72,0x63,0x65,
@@ -676,6 +678,9 @@ static const unsigned char CP1252_utf8[386] =
     0x84,0xa2
 };
 
     0x84,0xa2
 };
 
+// this is unused currently so avoid warnings about this
+#if 0
+
 // a character sequence encoded as iso8859-5 (iconv)
 static const unsigned char iso8859_5[251] =
 {
 // a character sequence encoded as iso8859-5 (iconv)
 static const unsigned char iso8859_5[251] =
 {
@@ -724,6 +729,7 @@ static const unsigned char iso8859_5_utf8[380] =
     0x92,0xd1,0x93,0xd1,0x94,0xd1,0x95,0xd1,0x96,0xd1,0x97,0xd1,0x98,0xd1,0x99,0xd1,
     0x9a,0xd1,0x9b,0xd1,0x9c,0xd1,0x9e,0xd1,0x9f,0xe2,0x84,0x96
 };
     0x92,0xd1,0x93,0xd1,0x94,0xd1,0x95,0xd1,0x96,0xd1,0x97,0xd1,0x98,0xd1,0x99,0xd1,
     0x9a,0xd1,0x9b,0xd1,0x9c,0xd1,0x9e,0xd1,0x9f,0xe2,0x84,0x96
 };
+#endif // 0
 
 // DecodeUTF8
 // decodes the specified *unterminated* UTF-8 byte array
 
 // DecodeUTF8
 // decodes the specified *unterminated* UTF-8 byte array
@@ -762,15 +768,14 @@ void MBConvTestCase::TestCoder(
     // so we should store the wide character version as UTF-8 and depend on
     // the UTF-8 converter's ability to decode it to platform specific wide characters
     // this test is invalid if the UTF-8 converter can't decode
     // so we should store the wide character version as UTF-8 and depend on
     // the UTF-8 converter's ability to decode it to platform specific wide characters
     // this test is invalid if the UTF-8 converter can't decode
-    wxWCharBuffer wideBuffer((size_t)0);
-    wideBuffer = DecodeUTF8( utf8Buffer, utf8Bytes );
-    size_t wideChars = wxWcslen( wideBuffer.data() );
+    const wxWCharBuffer wideBuffer(DecodeUTF8(utf8Buffer, utf8Bytes));
+    const size_t wideChars = wxWcslen(wideBuffer);
 
     TestDecoder
         (
         wideBuffer.data(),
         wideChars,
 
     TestDecoder
         (
         wideBuffer.data(),
         wideChars,
-        (const char*)multiBuffer,
+        multiBuffer,
         multiBytes,
         converter,
         sizeofNull
         multiBytes,
         converter,
         sizeofNull
@@ -779,7 +784,7 @@ void MBConvTestCase::TestCoder(
         (
         wideBuffer.data(),
         wideChars,
         (
         wideBuffer.data(),
         wideChars,
-        (const char*)multiBuffer,
+        multiBuffer,
         multiBytes,
         converter,
         sizeofNull
         multiBytes,
         converter,
         sizeofNull
@@ -811,7 +816,7 @@ void MBConvTestCase::FontmapTests()
 
 void MBConvTestCase::BufSize()
 {
 
 void MBConvTestCase::BufSize()
 {
-    wxCSConv conv1251(_T("CP1251"));
+    wxCSConv conv1251(wxT("CP1251"));
     CPPUNIT_ASSERT( conv1251.IsOk() );
     const char *cp1251text =
         "\313\301\326\305\324\323\321 \325\304\301\336\316\331\315";
     CPPUNIT_ASSERT( conv1251.IsOk() );
     const char *cp1251text =
         "\313\301\326\305\324\323\321 \325\304\301\336\316\331\315";
@@ -838,7 +843,7 @@ void MBConvTestCase::BufSize()
 
 
     // test in the other direction too, using an encoding with multibyte NUL
 
 
     // test in the other direction too, using an encoding with multibyte NUL
-    wxCSConv convUTF16(_T("UTF-16LE"));
+    wxCSConv convUTF16(wxT("UTF-16LE"));
     CPPUNIT_ASSERT( convUTF16.IsOk() );
     const wchar_t *utf16text = L"Hello";
 
     CPPUNIT_ASSERT( convUTF16.IsOk() );
     const wchar_t *utf16text = L"Hello";
 
@@ -859,6 +864,70 @@ void MBConvTestCase::BufSize()
     CPPUNIT_ASSERT_EQUAL( '?', buf[lenMB + 2] );
 }
 
     CPPUNIT_ASSERT_EQUAL( '?', buf[lenMB + 2] );
 }
 
+void MBConvTestCase::FromWCharTests()
+{
+    wxCSConv conv950("CP950");
+    char mbuf[10];
+    // U+4e00 is 2 bytes (0xa4 0x40) in cp950
+    wchar_t wbuf[] = { 0x4e00, 0, 0x4e00, 0 };
+
+    // test simple ASCII text
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, conv950.FromWChar(mbuf, 0, L"a", 1));
+    CPPUNIT_ASSERT_EQUAL( '!', mbuf[0]);
+
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( 1, conv950.FromWChar(mbuf, 1, L"a", 1));
+    CPPUNIT_ASSERT_EQUAL( 'a', mbuf[0]);
+    CPPUNIT_ASSERT_EQUAL( '!', mbuf[1]);
+
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, conv950.FromWChar(mbuf, 1, L"a", 2));
+
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( 2, conv950.FromWChar(mbuf, 2, L"a", 2));
+    CPPUNIT_ASSERT_EQUAL( 'a', mbuf[0]);
+    CPPUNIT_ASSERT_EQUAL( '\0', mbuf[1]);
+    CPPUNIT_ASSERT_EQUAL( '!', mbuf[2]);
+
+    // test non-ASCII text, 1 wchar -> 2 char
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, conv950.FromWChar(mbuf, 0, wbuf, 1));
+
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, conv950.FromWChar(mbuf, 1, wbuf, 1));
+
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( 2, conv950.FromWChar(mbuf, 2, wbuf, 1));
+    CPPUNIT_ASSERT_EQUAL( '!', mbuf[2]);
+
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, conv950.FromWChar(mbuf, 2, wbuf, 2));
+
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( 3, conv950.FromWChar(mbuf, 3, wbuf, 2));
+    CPPUNIT_ASSERT_EQUAL( '\0', mbuf[2]);
+    CPPUNIT_ASSERT_EQUAL( '!', mbuf[3]);
+
+    // test text with embedded NUL-character and srcLen specified
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, conv950.FromWChar(mbuf, 3, wbuf, 3));
+
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, conv950.FromWChar(mbuf, 4, wbuf, 3));
+    CPPUNIT_ASSERT_EQUAL( 5, conv950.FromWChar(mbuf, 5, wbuf, 3));
+    CPPUNIT_ASSERT_EQUAL( '\0', mbuf[2]);
+    CPPUNIT_ASSERT_EQUAL( '!', mbuf[5]);
+
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( wxCONV_FAILED, conv950.FromWChar(mbuf, 5, wbuf, 4));
+
+    memset(mbuf, '!', sizeof(mbuf));
+    CPPUNIT_ASSERT_EQUAL( 6, conv950.FromWChar(mbuf, 6, wbuf, 4));
+    CPPUNIT_ASSERT_EQUAL( '\0', mbuf[2]);
+    CPPUNIT_ASSERT_EQUAL( '\0', mbuf[5]);
+    CPPUNIT_ASSERT_EQUAL( '!', mbuf[6]);
+}
 
 WXDLLIMPEXP_BASE wxMBConv* new_wxMBConv_iconv( const char* name );
 
 
 WXDLLIMPEXP_BASE wxMBConv* new_wxMBConv_iconv( const char* name );
 
@@ -896,7 +965,7 @@ void MBConvTestCase::Latin1Tests()
     static const char nulstr[] = "foo\0bar\0";
     static const size_t mbLen = WXSIZEOF(nulstr) - 1;
     size_t wcLen;
     static const char nulstr[] = "foo\0bar\0";
     static const size_t mbLen = WXSIZEOF(nulstr) - 1;
     size_t wcLen;
-    wxWCharBuffer wbuf(wxConvISO8859_1.cMB2WC(nulstr, mbLen, &wcLen));
+    wxConvISO8859_1.cMB2WC(nulstr, mbLen, &wcLen);
     CPPUNIT_ASSERT_EQUAL( mbLen, wcLen );
 }
 
     CPPUNIT_ASSERT_EQUAL( mbLen, wcLen );
 }
 
@@ -915,35 +984,23 @@ void MBConvTestCase::CP1252Tests()
 
 void MBConvTestCase::LibcTests()
 {
 
 void MBConvTestCase::LibcTests()
 {
-    // There isn't a locale that all systems support (except "C"), so leave
-    // this one disabled for non-Windows systems for the moment, until
-    // a solution can be found.
-#ifdef __WXMSW__
-
-#ifdef __WXMSW__
-    setlocale( LC_ALL, "English_United States.1252" );
-    const unsigned char* systemMB = CP1252;
-    size_t systemMB_size = sizeof(CP1252);
-    const unsigned char* systemMB_utf8 = CP1252_utf8;
-    size_t systemMB_utf8_size = sizeof(CP1252_utf8);
-#else
-    setlocale( LC_ALL, "en_US.iso8859-1" );
-    const unsigned char* systemMB = iso8859_1;
-    size_t systemMB_size = sizeof(iso8859_1);
-    const unsigned char* systemMB_utf8 = iso8859_1_utf8;
-    size_t systemMB_utf8_size = sizeof(iso8859_1_utf8);
-#endif
+    // The locale name are OS-dependent so this test is done only under Windows
+    // when using MSVC (surprisingly it fails with MinGW, even though it's
+    // supposed to use the same CRT -- no idea why and unfortunately gdb is too
+    // flaky to debug it)
+#ifdef __VISUALC__
+    LocaleSetter loc("English_United States.1252");
+
     wxMBConvLibc convLibc;
     TestCoder(
     wxMBConvLibc convLibc;
     TestCoder(
-        (const char*)systemMB,
-        systemMB_size,
-        (const char*)systemMB_utf8,
-        systemMB_utf8_size,
+        (const char*)CP1252,
+        sizeof(CP1252),
+        (const char*)CP1252_utf8,
+        sizeof(CP1252_utf8),
         convLibc,
         1
         );
         convLibc,
         1
         );
-
-#endif // __WXMSW__
+#endif // __VISUALC__
 }
 
 // verifies that the specified mb sequences decode to the specified wc sequence
 }
 
 // verifies that the specified mb sequences decode to the specified wc sequence
@@ -971,7 +1028,12 @@ void MBConvTestCase::TestDecoder(
         0
         );
     // make sure the correct output length was calculated
         0
         );
     // make sure the correct output length was calculated
-    CPPUNIT_ASSERT_EQUAL( wideChars, outputWritten );
+    WX_ASSERT_EQUAL_MESSAGE
+    (
+        ("while converting \"%s\"", multiBuffer),
+        wideChars,
+        outputWritten
+    );
 
     // convert the string
     size_t guardChars = 8; // to make sure we're not overrunning the output buffer
 
     // convert the string
     size_t guardChars = 8; // to make sure we're not overrunning the output buffer
@@ -1125,7 +1187,7 @@ void MBConvTestCase::TestStreamEncoder(
 
     textOutputStream.Flush();
 
 
     textOutputStream.Flush();
 
-    CPPUNIT_ASSERT_EQUAL( (wxFileOffset)multiBytes, memoryOutputStream.TellO() );
+    CPPUNIT_ASSERT_EQUAL( multiBytes, size_t(memoryOutputStream.TellO()) );
     wxCharBuffer copy( memoryOutputStream.TellO() );
     memoryOutputStream.CopyTo( copy.data(), memoryOutputStream.TellO());
     CPPUNIT_ASSERT_EQUAL( 0, memcmp( copy.data(), multiBuffer, multiBytes ) );
     wxCharBuffer copy( memoryOutputStream.TellO() );
     memoryOutputStream.CopyTo( copy.data(), memoryOutputStream.TellO());
     CPPUNIT_ASSERT_EQUAL( 0, memcmp( copy.data(), multiBuffer, multiBytes ) );
wxWidgets (Impactor)