1 files changed, 88 insertions, 0 deletions
diff --git a/js/src/tests/non262/String/match-throws-nonwritable-lastIndex-global.js b/js/src/tests/non262/String/match-throws-nonwritable-lastIndex-global.js
new file mode 100644
index 0000000000..b36916d4c5
--- /dev/null
+++ b/js/src/tests/non262/String/match-throws-nonwritable-lastIndex-global.js
@@ -0,0 +1,88 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var BUGNUMBER = 501739;
+var summary =
+  "String.prototype.match should throw when called with a global RegExp " +
+  "whose .lastIndex is non-writable";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var s = '0x2x4x6x8';
+
+// First time with .lastIndex === 0
+
+var p1 = /x/g;
+Object.defineProperty(p1, "lastIndex", { writable: false });
+
+try
+{
+  s.match(p1);
+  throw "didn't throw";
+}
+catch (e)
+{
+  assertEq(e instanceof TypeError, true,
+           "should have thrown a TypeError, instead got: " + e);
+}
+
+// Second time with .lastIndex !== 0
+
+var p2 = /x/g;
+Object.defineProperty(p2, "lastIndex", { writable: false, value: 3 });
+
+try
+{
+  s.match(p2);
+  throw "didn't throw";
+}
+catch (e)
+{
+  assertEq(e instanceof TypeError, true,
+           "should have thrown a TypeError, instead got: " + e);
+}
+
+// Third time with .lastIndex === 0, no matches
+
+var p3 = /q/g;
+Object.defineProperty(p3, "lastIndex", { writable: false });
+
+try
+{
+  s.match(p3);
+  throw "didn't throw";
+}
+catch (e)
+{
+  assertEq(e instanceof TypeError, true,
+           "should have thrown a TypeError, instead got: " + e);
+}
+
+// Fourth time with .lastIndex !== 0, no matches
+
+var p4 = /q/g;
+Object.defineProperty(p4, "lastIndex", { writable: false, value: 3 });
+
+try
+{
+  s.match(p4);
+  throw "didn't throw";
+}
+catch (e)
+{
+  assertEq(e instanceof TypeError, true,
+           "should have thrown a TypeError, instead got: " + e);
+}
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");