33f0cf5acd
TEST=mjsunit/harmony BUG=v8:3751 LOG=N Review URL: https://codereview.chromium.org/770333005 Cr-Commit-Position: refs/heads/master@{#25762}
41 lines
1.7 KiB
JavaScript
41 lines
1.7 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
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delete RegExp.prototype.flags;
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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('gimy', RegExp('', 'ygmi').flags);
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assertEquals('gimy', /foo/ymig.flags);
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// TODO(dslomov): When support for the `u` flag is added, uncomment the first
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// line below and remove the second line.
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//assertEquals(RegExp('', 'yumig').flags, 'gimuy');
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assertThrows(function() { RegExp('', 'yumig').flags; }, SyntaxError);
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var descriptor = Object.getOwnPropertyDescriptor(RegExp.prototype, 'flags');
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assertFalse(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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