64da43ef36
This is a reland of c9c3ec4c14
Original change's description:
> [intl] Clean up intl_segmenter flag
>
> Intl.Segmenter shipped in m87 and launched.
>
> Bug: v8:11225
> Change-Id: I4213e261e1aea717c1281f19785a8c29ff1bbd8b
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2570461
> Commit-Queue: Frank Tang <ftang@chromium.org>
> Reviewed-by: Shu-yu Guo <syg@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#71653}
Bug: v8:11225, v8:11240
Change-Id: Ibded9038671862d90206d328f8a12db51c40e63c
Cq-Include-Trybots: luci.v8.try:v8_linux64_gc_stress_custom_snapshot_dbg_ng,v8_linux_arm64_gc_stress_dbg_ng,v8_linux_gc_stress_dbg_ng,v8_mac64_gc_stress_dbg_ng
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2579043
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71691}
98 lines
3.4 KiB
JavaScript
98 lines
3.4 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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let seg = new Intl.Segmenter();
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let descriptor = Object.getOwnPropertyDescriptor(
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Intl.Segmenter, "supportedLocalesOf");
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assertTrue(descriptor.writable);
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assertFalse(descriptor.enumerable);
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assertTrue(descriptor.configurable);
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let segmenterPrototype = Object.getPrototypeOf(seg);
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assertEquals("Intl.Segmenter", segmenterPrototype[Symbol.toStringTag]);
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// ecma402 #sec-Intl.Segmenter.prototype
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// Intl.Segmenter.prototype
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// The value of Intl.Segmenter.prototype is %SegmenterPrototype%.
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// This property has the attributes
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// { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }.
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descriptor = Object.getOwnPropertyDescriptor(Intl.Segmenter, "prototype");
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assertFalse(descriptor.writable);
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assertFalse(descriptor.enumerable);
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assertFalse(descriptor.configurable);
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for (let func of ["segment", "resolvedOptions"]) {
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let descriptor = Object.getOwnPropertyDescriptor(
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Intl.Segmenter.prototype, func);
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assertTrue(descriptor.writable);
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assertFalse(descriptor.enumerable);
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assertTrue(descriptor.configurable);
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}
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let segments = seg.segment('text');
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let segmentsPrototype = Object.getPrototypeOf(segments);
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for (let func of ["containing", Symbol.iterator]) {
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let descriptor = Object.getOwnPropertyDescriptor(segmentsPrototype, func);
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assertTrue(descriptor.writable);
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assertFalse(descriptor.enumerable);
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assertTrue(descriptor.configurable);
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}
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function checkGetterProperty(prototype, property) {
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let desc = Object.getOwnPropertyDescriptor(prototype, property);
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assertEquals(`get ${property}`, desc.get.name);
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assertEquals('function', typeof desc.get)
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assertEquals(undefined, desc.set);
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assertFalse(desc.enumerable);
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assertTrue(desc.configurable);
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}
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// Test the SegmentsPrototype methods are called with same
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// receiver and won't throw.
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assertDoesNotThrow(() => segmentsPrototype.containing.call(segments));
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assertDoesNotThrow(() => segmentsPrototype[Symbol.iterator].call(segments));
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// Test the SegmentIteratorPrototype methods are called with a different
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// receiver and correctly throw.
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var otherReceivers = [
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1, 123.45, undefined, null, "string", true, false,
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Intl, Intl.Segmenter, Intl.Segmenter.prototype,
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segmentsPrototype,
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new Intl.Segmenter(),
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new Intl.Collator(),
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new Intl.DateTimeFormat(),
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new Intl.NumberFormat(),
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];
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for (let rec of otherReceivers) {
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assertThrows(() => segmentsPrototype.containing.call(rec), TypeError);
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}
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let segmentIterator = segments[Symbol.iterator]();
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let segmentIteratorPrototype = Object.getPrototypeOf(segmentIterator);
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for (let func of ["next"]) {
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let descriptor = Object.getOwnPropertyDescriptor(segmentIteratorPrototype,
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func);
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assertTrue(descriptor.writable);
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assertFalse(descriptor.enumerable);
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assertTrue(descriptor.configurable);
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}
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assertEquals("Segmenter String Iterator",
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segmentIteratorPrototype[Symbol.toStringTag]);
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let desc = Object.getOwnPropertyDescriptor(
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segmentIteratorPrototype, Symbol.toStringTag);
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assertFalse(desc.writable);
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assertFalse(desc.enumerable);
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assertTrue(desc.configurable);
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let nextReturn = segmentIterator.next();
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function checkProperty(obj, property) {
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let desc = Object.getOwnPropertyDescriptor(obj, property);
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assertTrue(desc.writable);
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assertTrue(desc.enumerable);
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assertTrue(desc.configurable);
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}
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