299b369cc9
This way we can ship \u{..} escapes in strings / identifiers before shipping /u
regexps.
BUG=
Review URL: https://codereview.chromium.org/903703002
Cr-Commit-Position: refs/heads/master@{#26461}
57 lines
1.8 KiB
JavaScript
57 lines
1.8 KiB
JavaScript
// Copyright 2014 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-regexps --harmony-unicode-regexps
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RegExp.prototype.flags = 'setter should be undefined';
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assertEquals('', RegExp('').flags);
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assertEquals('', /./.flags);
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assertEquals('gimuy', RegExp('', 'yugmi').flags);
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assertEquals('gimuy', /foo/yumig.flags);
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var descriptor = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags');
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assertTrue(descriptor.configurable);
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assertFalse(descriptor.enumerable);
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assertInstanceof(descriptor.get, Function);
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assertEquals(undefined, descriptor.set);
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function testGenericFlags(object) {
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return descriptor.get.call(object);
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}
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assertEquals('', testGenericFlags({}));
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assertEquals('i', testGenericFlags({ ignoreCase: true }));
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assertEquals('uy', testGenericFlags({ global: 0, sticky: 1, unicode: 1 }));
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assertEquals('m', testGenericFlags({ __proto__: { multiline: true } }));
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assertThrows(function() { testGenericFlags(); }, TypeError);
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assertThrows(function() { testGenericFlags(undefined); }, TypeError);
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assertThrows(function() { testGenericFlags(null); }, TypeError);
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assertThrows(function() { testGenericFlags(true); }, TypeError);
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assertThrows(function() { testGenericFlags(false); }, TypeError);
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assertThrows(function() { testGenericFlags(''); }, TypeError);
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assertThrows(function() { testGenericFlags(42); }, TypeError);
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var counter = 0;
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var map = {};
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var object = {
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get global() {
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map.g = counter++;
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},
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get ignoreCase() {
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map.i = counter++;
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},
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get multiline() {
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map.m = counter++;
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},
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get unicode() {
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map.u = counter++;
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},
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get sticky() {
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map.y = counter++;
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}
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};
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testGenericFlags(object);
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assertEquals({ g: 0, i: 1, m: 2, u: 3, y: 4 }, map);
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