v8/test/intl/bad-target.js
littledan 788c96a955 [intl] Remove redundant type checking system
Previously, the Intl implementation tracked types two ways:
 - In the intl_initialized_marker_symbol
 - In various named properties of the intl_impl_object_symbol value

As far as I can tell, these will never disagree with each other,
modulo bugs in Intl itself. This patch removes the second type
checking system.

This reland includes a fixed type check for
Intl.DateTimeFormat.prototype.formatToParts , which is the only Intl
method which is not bound. All future methods will follow this
pattern.

The second reland ensures that a newly inserted test is only run
if Intl is present.

BUG=v8:5751,chromium:677055, v8:4962
CQ_INCLUDE_TRYBOTS=master.tryserver.v8:v8_linux_noi18n_rel_ng

TBR=yangguo@chromium.org

Review-Url: https://codereview.chromium.org/2623683002
Cr-Commit-Position: refs/heads/master@{#42152}
2017-01-09 22:24:57 +00:00

40 lines
1.9 KiB
JavaScript

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Calling Intl methods with a bad receiver throws a TypeError
// An uninitialized object of the same type
assertThrows(() => Object.create(Intl.DateTimeFormat.prototype).format(),
TypeError);
assertThrows(() => Object.create(Intl.NumberFormat.prototype).format(),
TypeError);
assertThrows(() => Object.create(Intl.Collator.prototype).compare(),
TypeError);
assertThrows(() => Object.create(Intl.v8BreakIterator.prototype).adoptText(),
TypeError);
assertThrows(() => Object.create(Intl.v8BreakIterator.prototype).first(),
TypeError);
assertThrows(() => Object.create(Intl.v8BreakIterator.prototype).next(),
TypeError);
assertThrows(() => Object.create(Intl.v8BreakIterator.prototype).current(),
TypeError);
assertThrows(() => Object.create(Intl.v8BreakIterator.prototype).breakType(),
TypeError);
// Or similarly, just accessing the method getter on the prototype
assertThrows(() => Intl.DateTimeFormat.prototype.format, TypeError);
assertThrows(() => Intl.NumberFormat.prototype.format, TypeError);
assertThrows(() => Intl.Collator.prototype.compare, TypeError);
assertThrows(() => Intl.v8BreakIterator.prototype.adoptText, TypeError);
assertThrows(() => Intl.v8BreakIterator.prototype.first, TypeError);
assertThrows(() => Intl.v8BreakIterator.prototype.next, TypeError);
assertThrows(() => Intl.v8BreakIterator.prototype.current, TypeError);
assertThrows(() => Intl.v8BreakIterator.prototype.breakType, TypeError);
// The method .call'd on a different instance will have that
// other instance benignly ignored, since it's a bound function
let nf = Intl.NumberFormat();
let df = Intl.DateTimeFormat();
assertEquals("0", nf.format.call(df, 0));