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18 lines
723 B
JavaScript
18 lines
723 B
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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// Flags: --harmony-intl-segmenter
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const segmenter = new Intl.Segmenter();
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const text = "Hello World, Test 123! Foo Bar. How are you?";
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const iter = segmenter.segment(text);
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assertEquals("function", typeof iter.following);
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// 1.5.3.2 %SegmentIteratorPrototype%.following( [ from ] )
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// 3.b If from >= iterator.[[SegmentIteratorString]], throw a RangeError exception.
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assertDoesNotThrow(() => iter.following(text.length - 1));
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assertThrows(() => iter.following(text.length), RangeError);
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assertThrows(() => iter.following(text.length + 1), RangeError);
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