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6ca81ad72a
PR-URL: https://github.com/nodejs/node/pull/30020 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
35 lines
1.3 KiB
JavaScript
35 lines
1.3 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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// Flags: --allow-natives-syntax
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assertDoesNotThrow(()=>(new Intl.ListFormat()).format());
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// Intl.getCanonicalLocales() will create a HOLEY_ELEMENTS array
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assertDoesNotThrow(()=>(new Intl.ListFormat()).format(Intl.getCanonicalLocales()));
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assertDoesNotThrow(()=>(new Intl.ListFormat()).format(Intl.getCanonicalLocales(["en","fr"])));
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let arr = ["a","b","c"];
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// Test under no HasHoleyElements();
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assertFalse(%HasHoleyElements(arr));
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assertDoesNotThrow(()=>(new Intl.ListFormat()).format(arr));
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// ICU uses bubblesort, so keep the array reasonably small (as of mid-2019:
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// 100 entries -> 1ms, 1,000 entries -> 64ms, 10,000 entries -> 5s).
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for (var i = 0; i < 100; i++) {
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arr.push("xx");
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}
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assertFalse(%HasHoleyElements(arr));
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assertDoesNotThrow(()=>(new Intl.ListFormat()).format(arr));
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// Test under HasHoleyElements();
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arr[arr.length + 10] = "x";
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assertTrue(%HasHoleyElements(arr));
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assertFalse(%HasDictionaryElements(arr));
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assertThrows(()=>(new Intl.ListFormat()).format(arr), TypeError);
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// Test it work under HasDictionaryElements();
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arr = ["a","b","c"];
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arr[arr.length + 100000] = "x";
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assertTrue(%HasDictionaryElements(arr));
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assertThrows(()=>(new Intl.ListFormat()).format(arr), TypeError);
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