Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 29 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/JSON/stringify/builtin.js b/js/src/tests/test262/built-ins/JSON/stringify/builtin.js
new file mode 100644
index 0000000000..f125bcbeb5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/JSON/stringify/builtin.js
@@ -0,0 +1,29 @@
+// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-json.stringify
+description: >
+  Tests that JSON.stringify meets the requirements
+  for built-in objects defined by the introduction of chapter 17 of
+  the ECMAScript Language Specification.
+features: [Reflect.construct]
+---*/
+
+assert(Object.isExtensible(JSON.stringify), 'Object.isExtensible(JSON.stringify) must return true');
+assert.sameValue(
+  Object.prototype.toString.call(JSON.stringify),
+  '[object Function]',
+  'Object.prototype.toString.call(JSON.stringify) must return "[object Function]"'
+);
+assert.sameValue(
+  Object.getPrototypeOf(JSON.stringify),
+  Function.prototype,
+  'Object.getPrototypeOf(JSON.stringify) must return the value of Function.prototype'
+);
+assert.sameValue(
+  JSON.stringify.hasOwnProperty('prototype'),
+  false,
+  'JSON.stringify.hasOwnProperty("prototype") must return false'
+);
+
+reportCompare(0, 0);