Add m-esr52 at 52.6.0

1 files changed, 39 insertions, 0 deletions

diff --git a/js/src/tests/ecma_5/JSON/cyclic-stringify-unrelated.js b/js/src/tests/ecma_5/JSON/cyclic-stringify-unrelated.js
new file mode 100644
index 000000000..127c2ca60
--- /dev/null
+++ b/js/src/tests/ecma_5/JSON/cyclic-stringify-unrelated.js
@@ -0,0 +1,39 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 1197097;
+var summary = "JSON.stringify shouldn't use context-wide cycle detection";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var arr;
+
+// Nested yet separate JSON.stringify is okay.
+arr = [{}];
+assertEq(JSON.stringify(arr, function(k, v) {
+  assertEq(JSON.stringify(arr), "[{}]");
+  return v;
+}), "[{}]");
+
+// SpiderMonkey censors cycles in array-joining.  This mechanism must not
+// interfere with the cycle detection in JSON.stringify.
+arr = [{
+  toString: function() {
+    var s = JSON.stringify(arr);
+    assertEq(s, "[{}]");
+    return s;
+  }
+}];
+assertEq(arr.join(), "[{}]");
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");