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-rw-r--r--js/src/tests/non262/extensions/String-methods-infinite-recursion.js36
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/String-methods-infinite-recursion.js b/js/src/tests/non262/extensions/String-methods-infinite-recursion.js
new file mode 100644
index 0000000000..a5972d8c38
--- /dev/null
+++ b/js/src/tests/non262/extensions/String-methods-infinite-recursion.js
@@ -0,0 +1,36 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 657585;
+var summary =
+ 'Guard against infinite recursion when converting |this| to string for the ' +
+ 'String.prototype.* methods';
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+try
+{
+ var obj = {};
+ obj.toString = String.prototype.charAt;
+ "" + obj;
+ throw new Error("should have thrown");
+}
+catch (e)
+{
+ assertEq(e instanceof InternalError, true,
+ "should have thrown InternalError for over-recursion, got: " + e);
+}
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+ reportCompare(true, true);
+
+print("All tests passed!");