Add throwing of missing range error to Date.prototype.toISOString()

JerryScript-DCO-1.0-Signed-off-by: Roland Takacs rtakacs.u-szeged@partner.samsung.com

jerry-core/ecma/builtin-objects/ecma-builtin-date-prototype.cpp

@@ -1164,10 +1164,9 @@ ecma_builtin_date_prototype_to_iso_string (ecma_value_t this_arg) /**< this argu
 
   ecma_number_t *prim_num_p = ecma_get_number_from_value (prim_value);
 
-  if (ecma_number_is_nan (*prim_num_p))
+  if (ecma_number_is_nan (*prim_num_p) || ecma_number_is_infinity (*prim_num_p))
   {
-    ecma_string_t *magic_str_p = ecma_get_magic_string (LIT_MAGIC_STRING_INVALID_DATE_UL);
-    ret_value = ecma_make_normal_completion_value (ecma_make_string_value (magic_str_p));
+    ret_value = ecma_make_throw_obj_completion_value (ecma_new_standard_error (ECMA_ERROR_RANGE));
   }
   else
   {

tests/jerry/date-tostring.js

@@ -65,10 +65,29 @@ catch (e)
   assert (e.message === "Incompatible type");
 }
 
-assert (new Date (NaN).toISOString () == "Invalid Date");
 assert (new Date ("2015-07-16").toISOString () == "2015-07-16T00:00:00.000Z");
 assert (new Date ("2015-07-16T11:29:05.023").toISOString () == "2015-07-16T11:29:05.023Z");
 
+try
+{
+  new Date (NaN).toISOString ();
+  assert (false);
+}
+catch (e)
+{
+  assert (e instanceof RangeError);
+}
+
+try
+{
+  new Date (Number.POSITIVE_INFINITY).toISOString ();
+  assert (false);
+}
+catch (e)
+{
+  assert (e instanceof RangeError);
+}
+
 try
 {
   Date.prototype.toISOString.call(-1);