v8/test/webkit/stack-unwinding.js

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// 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 checks that JavaScriptCore does not crash when uwinding the stack that includes a host function."
);
function twoHostFunctions() {
var stack = [];
stack.push({ "args": twoHostFunctions.arguments });
stack.push({ "args": twoHostFunctions.arguments });
testPassed("Two host functions called in a row.");
}
function arrayOperatorFunction(element) {
return element + 5;
}
var myArray = new Array (0, 1, 2);
function hostCallsUser(array) {
return array.map(arrayOperatorFunction);
}
function throwException() {
throw "Exception thrown";
}
function hostAndException() {
var stack = [];
stack.push({ "args": hostAndException.arguments });
throwException();
}
twoHostFunctions();
myArray = hostCallsUser(myArray);
shouldBe(myArray, new Array( 5, 6, 7 ) );
try {
hostAndException();
} catch (e) {
testPassed("Exception thrown and caught");
}