1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Date/prototype/toJSON/builtin.js b/js/src/tests/test262/built-ins/Date/prototype/toJSON/builtin.js
new file mode 100644
index 0000000000..cccb5c7e2e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Date/prototype/toJSON/builtin.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.tojson
+description: >
+  Tests that Date.prototype.toJSON 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(Date.prototype.toJSON), 'Object.isExtensible(Date.prototype.toJSON) must return true');
+assert.sameValue(typeof Date.prototype.toJSON, 'function', 'The value of `typeof Date.prototype.toJSON` is "function"');
+assert.sameValue(
+  Object.prototype.toString.call(Date.prototype.toJSON),
+  '[object Function]',
+  'Object.prototype.toString.call(Date.prototype.toJSON) must return "[object Function]"'
+);
+assert.sameValue(
+  Object.getPrototypeOf(Date.prototype.toJSON),
+  Function.prototype,
+  'Object.getPrototypeOf(Date.prototype.toJSON) must return the value of Function.prototype'
+);
+assert.sameValue(Date.prototype.toJSON.hasOwnProperty('prototype'), false, 'Date.prototype.toJSON.hasOwnProperty("prototype") must return false');
+
+reportCompare(0, 0);