// 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 tests that bytecode code generation doesn't crash when it encounters odd cases of an ignored result."
);

function emptyStatementDoWhileTest()
{
    do
        ;
    while (false) { }
    return true;
}

shouldBeTrue("emptyStatementDoWhileTest()");

function debuggerDoWhileTest()
{
    do
        debugger;
    while (false) { }
    return true;
}

shouldBeTrue("debuggerDoWhileTest()");

function continueDoWhileTest()
{
    var i = 0;
    do
        i++;
    while (i < 10) {
        do
            continue;
        while (false) { }
    }
    return true;
}

shouldBeTrue("continueDoWhileTest()");

function breakDoWhileTest()
{
    var i = 0;
    do
        i++;
    while (i < 10) {
        do
            continue;
        while (false) { }
    }
    return true;
}

shouldBeTrue("breakDoWhileTest()");

function tryDoWhileTest()
{
    do
        try { } catch (o) { }
    while (false) { }
    return true;
}

shouldBeTrue("tryDoWhileTest()");
