// Copyright 2018 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-Intl.Segmenter
description: The prototype of the Intl.Segmenter constructor is %FunctionPrototype%.
info: |
Unless specified otherwise in this document, the objects, functions, and constructors described in this standard are subject to the generic requirements and restrictions specified for standard built-in ECMAScript objects in the ECMAScript 2019 Language Specification, 10th edition, clause 17, or successor.
Unless otherwise specified every built-in function object has the %FunctionPrototype% object as the initial value of its [[Prototype]] internal slot.
features: [Intl.Segmenter]
---*/
classCustomSegmenterextendsIntl.Segmenter{
constructor(...args){
super(...args);
this.isCustom=true;
}
}
letcs=newCustomSegmenter();
assert.sameValue(Object.getPrototypeOf(CustomSegmenter),Intl.Segmenter,'Object.getPrototypeOf(CustomSegmenter) returns the value of `Intl.Segmenter` (undefined)');
assert.sameValue(Object.getPrototypeOf(CustomSegmenter.prototype),Intl.Segmenter.prototype,'Object.getPrototypeOf(CustomSegmenter.prototype) returns the value of `Intl.Segmenter.prototype` (undefined)');
assert.sameValue(
csinstanceofIntl.Segmenter,
'CustomSegmenter instance is instanceof Intl.Segmenter',
'The result of `(cs instanceof Intl.Segmenter)` is "CustomSegmenter instance is instanceof Intl.Segmenter"'