+#if wxUSE_LONGLONG
+void VarArgTestCase::LongLongPrintf()
+{
+ const char * const llfmt = "%" wxLongLongFmtSpec "d";
+
+ CPPUNIT_ASSERT_EQUAL( "17", wxString::Format(llfmt, wxLL(17)) );
+
+ wxLongLong ll = 1234567890;
+ CPPUNIT_ASSERT_EQUAL( "1234567890", wxString::Format(llfmt, ll) );
+}
+#endif // wxUSE_LONGLONG
+