Test that Date.prototype.toString throws for non-Date receiver

Pending discussion of https://github.com/tc39/ecma262/issues/849

Test passes in V8.

1 files changed, 12 insertions, 0 deletions

diff --git a/test/built-ins/Date/prototype/toString/non-date-receiver.js b/test/built-ins/Date/prototype/toString/non-date-receiver.js
new file mode 100644
index 000000000..2955654b5
--- /dev/null
+++ b/test/built-ins/Date/prototype/toString/non-date-receiver.js
@@ -0,0 +1,12 @@
+// Copyright (C) 2017 V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: #sec-date.prototype.tostring
+description: Date.prototype.toString throws a TypeError on non-Date receivers
+---*/
+
+assert.throws(TypeError, () => Date.prototype.toString());
+assert.throws(TypeError, () => Date.prototype.toString.call(undefined));
+assert.throws(TypeError, () => Date.prototype.toString.call(0));
+assert.throws(TypeError, () => Date.prototype.toString.call({}));