michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: const Cr = Components.results;
michael@0: 
michael@0: function test_formatdatetime_return()
michael@0: {
michael@0:   var dateConv = Cc["@mozilla.org/intl/scriptabledateformat;1"].
michael@0:     getService(Ci.nsIScriptableDateFormat);
michael@0: 
michael@0:   /* Testing if we throw instead of crashing when we are passed 0s. */
michael@0:   var x = false;
michael@0:   try {
michael@0:     dateConv.FormatDate("", Ci.nsIScriptableDateFormat.dateFormatLong,
michael@0:                         0, 0, 0);
michael@0:   }
michael@0:   catch (e if (e.result == Cr.NS_ERROR_INVALID_ARG)) {
michael@0:     x = true;
michael@0:   }
michael@0:   if (!x)
michael@0:     do_throw("FormatDate didn't throw when passed 0 for its arguments.");
michael@0: }
michael@0: 
michael@0: function run_test()
michael@0: {
michael@0:   test_formatdatetime_return();
michael@0: }