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// Copyright 2009 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Make sure that eval can introduce a local variable called __proto__.
// See http://code.google.com/p/v8/issues/detail?id=186
var setterCalled = false;
var o = {};
o.__defineSetter__("x", function() { setterCalled = true; });
function runTest(test) {
setterCalled = false;
test();
}
function testLocal() {
// Add property called __proto__ to the extension object.
eval("var __proto__ = o");
// Check that the extension object's prototype did not change.
eval("var x = 27");
assertFalse(setterCalled, "prototype of extension object changed");
assertEquals(o, eval("__proto__"));
}
function testConstLocal() {
// Add const property called __proto__ to the extension object.
eval("const __proto__ = o");
// Check that the extension object's prototype did not change.
eval("var x = 27");
assertFalse(setterCalled, "prototype of extension object changed");
assertEquals(o, eval("__proto__"));
}
function testGlobal() {
// Assign to the global __proto__ property.
eval("__proto__ = o");
// Check that the prototype of the global object changed.
eval("x = 27");
assertTrue(setterCalled, "prototype of global object did not change");
setterCalled = false;
assertEquals(o, eval("__proto__"));
}
runTest(testLocal);
runTest(testConstLocal);
runTest(testGlobal);
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