+void UnicodeTestCase::ConversionEmpty()
+{
+ size_t len;
+
+#if wxUSE_UNICODE
+ wxCharBuffer buf = wxConvLibc.cWC2MB(L"", 0, &len);
+#else // !wxUSE_UNICODE
+ wxWCharBuffer wbuf = wxConvLibc.cMB2WC("", 0, &len);
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
+
+ CPPUNIT_ASSERT(len == 0);
+}
+