Add m-esr52 at 52.6.0

1 files changed, 39 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/Proxy/json-stringify-replacer-array-revocable-proxy.js b/js/src/tests/ecma_6/Proxy/json-stringify-replacer-array-revocable-proxy.js
new file mode 100644
index 000000000..5d667e353
--- /dev/null
+++ b/js/src/tests/ecma_6/Proxy/json-stringify-replacer-array-revocable-proxy.js
@@ -0,0 +1,39 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+var gTestfile = "json-stringify-replacer-array-revocable-proxy.js";
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 1196497;
+var summary =
+  "Don't assert when JSON.stringify is passed a revocable proxy to an array, " +
+  "then that proxy is revoked midflight during stringification";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var arr = [];
+var { proxy, revoke } = Proxy.revocable(arr, {
+  get(thisv, prop, receiver) {
+    // First (and only) get will be for "length", to determine the length of the
+    // list of properties to serialize.  Returning 0 uses the empty list,
+    // resulting in |a: 0| being ignored below.
+    assertEq(thisv, arr);
+    assertEq(prop, "length");
+    assertEq(receiver, proxy);
+
+    revoke();
+    return 0;
+  }
+});
+
+assertEq(JSON.stringify({a: 0}, proxy), "{}");
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");