Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/JSON/stringify/value-tojson-array-circular.js b/js/src/tests/test262/built-ins/JSON/stringify/value-tojson-array-circular.js
new file mode 100644
index 0000000000..4de99e7e17
--- /dev/null
+++ b/js/src/tests/test262/built-ins/JSON/stringify/value-tojson-array-circular.js
@@ -0,0 +1,41 @@
+// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-serializejsonarray
+description: >
+  Circular array value (returned from toJSON method) throws a TypeError.
+info: |
+  JSON.stringify ( value [ , replacer [ , space ] ] )
+
+  [...]
+  12. Return ? SerializeJSONProperty(the empty String, wrapper).
+
+  SerializeJSONProperty ( key, holder )
+
+  [...]
+  2. If Type(value) is Object, then
+    a. Let toJSON be ? Get(value, "toJSON").
+    b. If IsCallable(toJSON) is true, then
+      i. Set value to ? Call(toJSON, value, « key »).
+  [...]
+  10. If Type(value) is Object and IsCallable(value) is false, then
+    a. Let isArray be ? IsArray(value).
+    b. If isArray is true, return ? SerializeJSONArray(value).
+
+  SerializeJSONArray ( value )
+
+  1. If stack contains value, throw a TypeError exception because the structure is cyclical.
+---*/
+
+var arr = [];
+var circular = [arr];
+
+arr.toJSON = function() {
+  return circular;
+};
+
+assert.throws(TypeError, function() {
+  JSON.stringify(circular);
+});
+
+reportCompare(0, 0);