mirror of https://github.com/tc39/test262.git
Add %TypedArray%.from test
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// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-%typedarray%.from
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description: >
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[[IsHTMLDDA]] object as @@iterator method gets called.
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info: |
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%TypedArray%.from ( source [ , mapfn [ , thisArg ] ] )
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[...]
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5. Let usingIterator be ? GetMethod(items, @@iterator).
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6. If usingIterator is not undefined, then
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a. Let values be ? IterableToList(source, usingIterator).
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IterableToList ( items, method )
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1. Let iteratorRecord be ? GetIterator(items, sync, method).
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GetIterator ( obj [ , hint [ , method ] ] )
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[...]
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4. Let iterator be ? Call(method, obj).
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5. If Type(iterator) is not Object, throw a TypeError exception.
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includes: [testTypedArray.js]
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features: [Symbol.iterator, TypedArray, IsHTMLDDA]
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---*/
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var items = {};
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items[Symbol.iterator] = $262.IsHTMLDDA;
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testWithTypedArrayConstructors(function(TypedArray) {
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assert.throws(TypeError, function() {
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TypedArray.from(items);
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});
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});
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