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4c4af643e5
PR-URL: https://github.com/nodejs/node/pull/17489 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
103 lines
3.4 KiB
JavaScript
103 lines
3.4 KiB
JavaScript
// Copyright 2016 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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var r = /./ug;
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assertEquals(["\ud800\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(2, r.lastIndex);
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r.lastIndex = 1;
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assertEquals(["\ud800\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(2, r.lastIndex);
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assertEquals(["\ud801\udc01"], r.exec("\ud800\udc00\ud801\udc01"));
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r.lastIndex = 3;
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assertEquals(["\ud801\udc01"], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(4, r.lastIndex);
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r.lastIndex = 4;
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assertNull(r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(0, r.lastIndex);
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r.lastIndex = 5;
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assertNull(r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(0, r.lastIndex);
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r.lastIndex = 3;
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assertEquals(["\ud802"], r.exec("\ud800\udc00\ud801\ud802"));
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r.lastIndex = 4;
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assertNull(r.exec("\ud800\udc00\ud801\ud802"));
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r = /./g;
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assertEquals(["\ud800"], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(1, r.lastIndex);
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assertEquals(["\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(2, r.lastIndex);
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assertEquals(["\ud801"], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(3, r.lastIndex);
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assertEquals(["\udc01"], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(4, r.lastIndex);
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assertNull(r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(0, r.lastIndex);
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r.lastIndex = 1;
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assertEquals(["\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(2, r.lastIndex);
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// ------------------------
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r = /^./ug;
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assertEquals(["\ud800\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(2, r.lastIndex);
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r.lastIndex = 1;
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assertEquals(["\ud800\udc00"], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(2, r.lastIndex);
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assertNull(r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(0, r.lastIndex);
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r.lastIndex = 3;
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assertNull(r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(0, r.lastIndex);
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r.lastIndex = 4;
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assertNull(r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(0, r.lastIndex);
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r.lastIndex = 5;
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assertNull(r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(0, r.lastIndex);
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r = /^./g;
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assertEquals(["\ud800"], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(1, r.lastIndex);
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assertNull(r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(0, r.lastIndex);
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r.lastIndex = 3;
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assertNull(r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(0, r.lastIndex);
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//------------------------
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r = /(?:(^.)|.)/ug;
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assertEquals(["\ud800\udc00", "\ud800\udc00"],
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r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(2, r.lastIndex);
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r.lastIndex = 1;
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assertEquals(["\ud800\udc00", "\ud800\udc00"],
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r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(2, r.lastIndex);
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assertEquals(["\ud801\udc01", undefined], r.exec("\ud800\udc00\ud801\udc01"));
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r.lastIndex = 3;
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assertEquals(["\ud801\udc01", undefined], r.exec("\ud800\udc00\ud801\udc01"));
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r.lastIndex = 4;
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assertNull(r.exec("\ud800\udc00\ud801\udc01"));
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r.lastIndex = 5;
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assertNull(r.exec("\ud800\udc00\ud801\udc01"));
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r.lastIndex = 3;
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assertEquals(["\ud802", undefined], r.exec("\ud800\udc00\ud801\ud802"));
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r.lastIndex = 4;
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assertNull(r.exec("\ud800\udc00\ud801\ud802"));
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r = /(?:(^.)|.)/g;
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assertEquals(["\ud800", "\ud800"],
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r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(1, r.lastIndex);
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assertEquals(["\udc00", undefined], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(2, r.lastIndex);
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r.lastIndex = 3;
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assertEquals(["\udc01", undefined], r.exec("\ud800\udc00\ud801\udc01"));
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assertEquals(4, r.lastIndex);
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