v8/test/webkit/fast/js/primitive-property-access-edge-cases.js

239 lines
7.4 KiB
JavaScript
Raw Normal View History

// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. 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.
//
// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
description(
"This page tests for assertion failures in edge cases of property lookup on primitive values."
);
var didNotCrash = true;
(function () {
delete String.prototype.constructor;
for (var i = 0; i < 3; ++i)
"".replace;
})();
(function () {
String.prototype.__proto__ = { x: 1, y: 1 };
delete String.prototype.__proto__.x;
for (var i = 0; i < 3; ++i)
"".y;
})();
(function () {
function f(x) {
x.y;
}
String.prototype.x = 1;
String.prototype.y = 1;
delete String.prototype.x;
Number.prototype.x = 1;
Number.prototype.y = 1;
delete Number.prototype.x;
for (var i = 0; i < 3; ++i)
f("");
for (var i = 0; i < 3; ++i)
f(.5);
})();
var checkOkay;
function checkGet(x, constructor)
{
checkOkay = false;
Object.defineProperty(constructor.prototype, "foo", { get: function() { checkOkay = typeof this === 'object'; }, configurable: true });
x.foo;
delete constructor.prototype.foo;
return checkOkay;
}
function checkSet(x, constructor)
{
checkOkay = false;
Object.defineProperty(constructor.prototype, "foo", { set: function() { checkOkay = typeof this === 'object'; }, configurable: true });
x.foo = null;
delete constructor.prototype.foo;
return checkOkay;
}
function checkGetStrict(x, constructor)
{
checkOkay = false;
Object.defineProperty(constructor.prototype, "foo", { get: function() { "use strict"; checkOkay = typeof this !== 'object'; }, configurable: true });
x.foo;
delete constructor.prototype.foo;
return checkOkay;
}
function checkSetStrict(x, constructor)
{
checkOkay = false;
Object.defineProperty(constructor.prototype, "foo", { set: function() { "use strict"; checkOkay = typeof this !== 'object'; }, configurable: true });
x.foo = null;
delete constructor.prototype.foo;
return checkOkay;
}
shouldBeTrue("checkGet(1, Number)");
shouldBeTrue("checkGet('hello', String)");
shouldBeTrue("checkGet(true, Boolean)");
shouldBeTrue("checkSet(1, Number)");
shouldBeTrue("checkSet('hello', String)");
shouldBeTrue("checkSet(true, Boolean)");
shouldBeTrue("checkGetStrict(1, Number)");
shouldBeTrue("checkGetStrict('hello', String)");
shouldBeTrue("checkGetStrict(true, Boolean)");
shouldBeTrue("checkSetStrict(1, Number)");
shouldBeTrue("checkSetStrict('hello', String)");
shouldBeTrue("checkSetStrict(true, Boolean)");
function checkRead(x, constructor)
{
return x.foo === undefined;
}
function checkWrite(x, constructor)
{
x.foo = null;
return x.foo === undefined;
}
function checkReadStrict(x, constructor)
{
"use strict";
return x.foo === undefined;
}
function checkWriteStrict(x, constructor)
{
"use strict";
x.foo = null;
return x.foo === undefined;
}
shouldBeTrue("checkRead(1, Number)");
shouldBeTrue("checkRead('hello', String)");
shouldBeTrue("checkRead(true, Boolean)");
shouldBeTrue("checkWrite(1, Number)");
shouldBeTrue("checkWrite('hello', String)");
shouldBeTrue("checkWrite(true, Boolean)");
shouldBeTrue("checkReadStrict(1, Number)");
shouldBeTrue("checkReadStrict('hello', String)");
shouldBeTrue("checkReadStrict(true, Boolean)");
shouldThrow("checkWriteStrict(1, Number)");
shouldThrow("checkWriteStrict('hello', String)");
shouldThrow("checkWriteStrict(true, Boolean)");
function checkNumericGet(x, constructor)
{
checkOkay = false;
Object.defineProperty(constructor.prototype, 42, { get: function() { checkOkay = typeof this === 'object'; }, configurable: true });
x[42];
delete constructor.prototype[42];
return checkOkay;
}
function checkNumericSet(x, constructor)
{
checkOkay = false;
Object.defineProperty(constructor.prototype, 42, { set: function() { checkOkay = typeof this === 'object'; }, configurable: true });
x[42] = null;
delete constructor.prototype[42];
return checkOkay;
}
function checkNumericGetStrict(x, constructor)
{
checkOkay = false;
Object.defineProperty(constructor.prototype, 42, { get: function() { "use strict"; checkOkay = typeof this !== 'object'; }, configurable: true });
x[42];
delete constructor.prototype[42];
return checkOkay;
}
function checkNumericSetStrict(x, constructor)
{
checkOkay = false;
Object.defineProperty(constructor.prototype, 42, { set: function() { "use strict"; checkOkay = typeof this !== 'object'; }, configurable: true });
x[42] = null;
delete constructor.prototype[42];
return checkOkay;
}
shouldBeTrue("checkNumericGet(1, Number)");
shouldBeTrue("checkNumericGet('hello', String)");
shouldBeTrue("checkNumericGet(true, Boolean)");
shouldBeTrue("checkNumericSet(1, Number)");
shouldBeTrue("checkNumericSet('hello', String)");
shouldBeTrue("checkNumericSet(true, Boolean)");
shouldBeTrue("checkNumericGetStrict(1, Number)");
shouldBeTrue("checkNumericGetStrict('hello', String)");
shouldBeTrue("checkNumericGetStrict(true, Boolean)");
shouldBeTrue("checkNumericSetStrict(1, Number)");
shouldBeTrue("checkNumericSetStrict('hello', String)");
shouldBeTrue("checkNumericSetStrict(true, Boolean)");
function checkNumericRead(x, constructor)
{
return x[42] === undefined;
}
function checkNumericWrite(x, constructor)
{
x[42] = null;
return x[42] === undefined;
}
function checkNumericReadStrict(x, constructor)
{
"use strict";
return x[42] === undefined;
}
function checkNumericWriteStrict(x, constructor)
{
"use strict";
x[42] = null;
return x[42] === undefined;
}
shouldBeTrue("checkNumericRead(1, Number)");
shouldBeTrue("checkNumericRead('hello', String)");
shouldBeTrue("checkNumericRead(true, Boolean)");
shouldBeTrue("checkNumericWrite(1, Number)");
shouldBeTrue("checkNumericWrite('hello', String)");
shouldBeTrue("checkNumericWrite(true, Boolean)");
shouldBeTrue("checkNumericReadStrict(1, Number)");
shouldBeTrue("checkNumericReadStrict('hello', String)");
shouldBeTrue("checkNumericReadStrict(true, Boolean)");
shouldThrow("checkNumericWriteStrict(1, Number)");
shouldThrow("checkNumericWriteStrict('hello', String)");
shouldThrow("checkNumericWriteStrict(true, Boolean)");
shouldBeTrue("didNotCrash");