fcc2e65aad
and make window.{Infinity,NaN,undefined} read-only as per ES5
BUG=89490
TEST=mjsunit/const-redecl.js, mjsunit/undeletable-functions.js, es5conform, sputnik
Review URL: http://codereview.chromium.org/7811015
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9299 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
73 lines
2.6 KiB
JavaScript
73 lines
2.6 KiB
JavaScript
// Copyright 2011 the V8 project authors. All rights reserved.
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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 are
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// met:
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//
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// * 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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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// 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
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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var setter_value = 0;
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__proto__.__defineSetter__("a", function(v) { setter_value = v; });
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eval("var a = 1");
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assertEquals(1, setter_value);
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assertFalse(this.hasOwnProperty("a"));
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eval("with({}) { eval('var a = 2') }");
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assertEquals(2, setter_value);
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assertFalse(this.hasOwnProperty("a"));
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// Function declarations are treated specially to match Safari. We do
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// not call setters for them.
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eval("function a() {}");
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assertTrue(this.hasOwnProperty("a"));
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__proto__.__defineSetter__("b", function(v) { assertUnreachable(); });
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var exception = false;
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try {
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eval("const b = 23");
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} catch(e) {
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exception = true;
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assertTrue(/TypeError/.test(e));
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}
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assertFalse(exception);
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exception = false;
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try {
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eval("with({}) { eval('const b = 23') }");
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} catch(e) {
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exception = true;
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assertTrue(/TypeError/.test(e));
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}
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assertTrue(exception);
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__proto__.__defineSetter__("c", function(v) { throw 42; });
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exception = false;
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try {
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eval("var c = 1");
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} catch(e) {
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exception = true;
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assertEquals(42, e);
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assertFalse(this.hasOwnProperty("c"));
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}
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assertTrue(exception);
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