v8/test/webkit/eval-var-decl.js

66 lines
2.6 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 test case checks whether variables cause properties to be defined even before reaching the declaration statement in various cases."
);
shouldBeTrue('this.hasOwnProperty("foo")');
var foo = 3;
delete bar;
shouldBeTrue('this.hasOwnProperty("bar")');
var bar = 3;
var firstEvalResult = eval('var result = this.hasOwnProperty("y"); var y = 3; result');
shouldBeTrue("firstEvalResult");
var secondEvalResult = eval('delete x; var result = this.hasOwnProperty("x"); var x = 3; result');
shouldBeFalse("secondEvalResult");
var thirdEvalResult = false;
try {
thirdEvalResult = (function(){ var x=false; try { throw ""; } catch (e) { eval("var x = true;"); } return x; })();
} catch (e) {
thirdEvalResult = "Threw exception!";
}
shouldBeTrue("thirdEvalResult");
// Check that the correct this value is passed to a function called having been caught from a throw, where the catch block contains an eval (bug#).
function checkThis()
{
"use strict";
return this === undefined;
}
function testEvalInCatch()
{
try {
throw checkThis;
} catch(e) {
eval('');
return e();
}
return false;
}
shouldBeTrue("testEvalInCatch()");