1217049 - Date.prototype.toString should throw when this-object is primitive

Status: RESOLVED FIXED

(Core :: JavaScript: Standard Library, defect)

Description

[André Bargull [:anba]]

Test case:
---
Date.prototype.toString.call(null)
---

Expected: Throws TypeError
Actual: Returns "Invalid Date"


Spec:
ES2015, 20.3.4.41 Date.prototype.toString ( ), step 1:
> 1. Let O be this Date object.

"this Date object" is defined in 20.3.4 Properties of the Date Prototype Object:
> In following descriptions of functions that are properties of the Date prototype
> object, the phrase “this Date object” refers to the object that is the this value
> for the invocation of the function. If the Type of the this value is not Object,
> a TypeError exception is thrown.

Comment 1

[Jeff Walden [:Waldo]]

Attachment: Patch

Comment 2

[Pulsebot]

https://hg.mozilla.org/integration/mozilla-inbound/rev/eb325ec499ac

Comment 3

[Phil Ringnalda (:philor)]

https://hg.mozilla.org/mozilla-central/rev/eb325ec499ac

Comment 4

[Carsten Book [:Tomcat]]

https://hg.mozilla.org/releases/mozilla-b2g44_v2_5/rev/eb325ec499ac