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-rw-r--r--js/src/tests/non262/extensions/reviver-mutates-holder-object.js56
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diff --git a/js/src/tests/non262/extensions/reviver-mutates-holder-object.js b/js/src/tests/non262/extensions/reviver-mutates-holder-object.js
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+++ b/js/src/tests/non262/extensions/reviver-mutates-holder-object.js
@@ -0,0 +1,56 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ * Contributor:
+ * Jeff Walden <jwalden+code@mit.edu>
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 901351;
+var summary = "Behavior when the JSON.parse reviver mutates the holder object";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+// A little trickiness to account for the undefined-ness of property
+// enumeration order.
+var first = "unset";
+
+var proxyObj = null;
+
+var obj = JSON.parse('{ "a": 0, "b": 1 }', function(prop, v) {
+ if (first === "unset")
+ {
+ first = prop;
+ var second = (prop === "a") ? "b" : "a";
+
+ proxyObj = new Proxy({ c: 42, d: 17 }, {});
+ Object.defineProperty(this, second, { value: proxyObj });
+ }
+ return v;
+});
+
+if (first === "a")
+{
+ assertEq(obj.a, 0);
+ assertEq(obj.b, proxyObj);
+ assertEq(obj.b.c, 42);
+ assertEq(obj.b.d, 17);
+}
+else
+{
+ assertEq(obj.a, proxyObj);
+ assertEq(obj.a.c, 42);
+ assertEq(obj.a.d, 17);
+ assertEq(obj.b, 1);
+}
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+ reportCompare(true, true);
+
+print("Tests complete");