80b1b2a45b
src/js/regexp.js was one of the few files that was left in sloppy mode. The ES2017 draft specification requires that writes to lastIndex throw when the property is non-writable, and test262 tests enforce this behavior. This patch puts that file in strict mode. BUG=v8:4504 R=yangguo@chromium.org LOG=Y Review URL: https://codereview.chromium.org/1776883005 Cr-Commit-Position: refs/heads/master@{#34801}
54 lines
3.9 KiB
Plaintext
54 lines
3.9 KiB
Plaintext
# Copyright 2013 the V8 project authors. All rights reserved.
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# Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This page tests that a RegExp object's lastIndex behaves like a regular property.
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On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
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PASS delete /x/.lastIndex is false
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PASS 'use strict'; delete /x/.lastIndex threw exception TypeError: Cannot delete property 'lastIndex' of [object RegExp].
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PASS 'lastIndex' in /x/ is true
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PASS for (property in /x/) if (property === 'lastIndex') throw false; true is true
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PASS var re = /x/; re.lastIndex = re; re.lastIndex === re is true
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PASS Object.defineProperty(/x/, {get:function(){}}) threw exception TypeError: Property description must be an object: undefined.
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PASS Object.defineProperty(/x/, 'lastIndex', {enumerable:true}); true threw exception TypeError: Cannot redefine property: lastIndex.
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PASS Object.defineProperty(/x/, 'lastIndex', {enumerable:false}); true is true
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PASS Object.defineProperty(/x/, 'lastIndex', {configurable:true}); true threw exception TypeError: Cannot redefine property: lastIndex.
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PASS Object.defineProperty(/x/, 'lastIndex', {configurable:false}); true is true
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PASS var re = Object.defineProperty(/x/, 'lastIndex', {writable:true}); re.lastIndex = 42; re.lastIndex is 42
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PASS var re = Object.defineProperty(/x/, 'lastIndex', {writable:false}); re.lastIndex = 42; re.lastIndex is 0
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PASS var re = Object.defineProperty(/x/, 'lastIndex', {value:42}); re.lastIndex is 42
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PASS Object.defineProperty(Object.defineProperty(/x/, 'lastIndex', {writable:false}), 'lastIndex', {writable:true}); true threw exception TypeError: Cannot redefine property: lastIndex.
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PASS Object.defineProperty(Object.defineProperty(/x/, 'lastIndex', {writable:false}), 'lastIndex', {value:42}); true threw exception TypeError: Cannot redefine property: lastIndex.
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PASS Object.defineProperty(Object.defineProperty(/x/, 'lastIndex', {writable:false}), 'lastIndex', {value:0}); true is true
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FAIL Object.defineProperty(/x/, 'lastIndex', {writable:false}).exec('') should be null. Threw exception TypeError: Cannot assign to read only property 'lastIndex' of object '[object RegExp]'
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PASS Object.defineProperty(/x/, 'lastIndex', {writable:false}).exec('x') is ["x"]
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PASS Object.defineProperty(/x/g, 'lastIndex', {writable:false}).exec('') threw exception TypeError: Cannot assign to read only property 'lastIndex' of object '[object RegExp]'.
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PASS Object.defineProperty(/x/g, 'lastIndex', {writable:false}).exec('x') threw exception TypeError: Cannot assign to read only property 'lastIndex' of object '[object RegExp]'.
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PASS var re = /x/; Object.freeze(re); Object.isFrozen(re); is true
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PASS successfullyParsed is true
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TEST COMPLETE
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