1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Date/prototype/toJSON/to-object.js b/js/src/tests/test262/built-ins/Date/prototype/toJSON/to-object.js
new file mode 100644
index 0000000000..579cc102a6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Date/prototype/toJSON/to-object.js
@@ -0,0 +1,31 @@
+// 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: >
+  This value is coerced to an object.
+info: |
+  Date.prototype.toJSON ( key )
+
+  1. Let O be ? ToObject(this value).
+features: [Symbol]
+---*/
+
+var toJSON = Date.prototype.toJSON;
+this.toISOString = function() { return 'global'; };
+
+assert.throws(TypeError, function() {
+  toJSON.call(undefined);
+});
+
+assert.throws(TypeError, function() {
+  toJSON.call(null);
+});
+
+Number.prototype.toISOString = function() { return 'str'; };
+assert.sameValue(toJSON.call(10), 'str');
+
+Symbol.prototype.toISOString = function() { return 10; };
+assert.sameValue(toJSON.call(Symbol()), 10);
+
+reportCompare(0, 0);