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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
//-----------------------------------------------------------------------------
var BUGNUMBER = "(none)";
var summary = "gen.throw(ex) returns ex for an exhausted gen";
var actual, expect;
printBugNumber(BUGNUMBER);
printStatus(summary);
/**************
* BEGIN TEST *
**************/
function gen()
{
var x = 5, y = 7;
var z = x + y;
yield z;
}
var failed = false;
var it = gen();
try
{
// throw works even on newly-initialized generators
var thrown = "foobar";
var doThrow = true;
try
{
it.throw(thrown);
}
catch (e)
{
if (e === thrown)
doThrow = false;
}
if (doThrow)
throw "it.throw(\"" + thrown + "\") failed";
// you can throw stuff at a generator which hasn't
// been used yet forever
thrown = "baz";
doThrow = true;
try
{
it.throw(thrown);
}
catch (e)
{
if (e === thrown)
doThrow = false;
}
if (doThrow)
throw "it.throw(\"" + thrown + "\") failed";
// don't execute a yield -- the uncaught exception
// exhausted the generator
var stopPassed = false;
try
{
it.next();
}
catch (e)
{
if (e === StopIteration)
stopPassed = true;
}
if (!stopPassed)
throw "missing or incorrect StopIteration";
}
catch (e)
{
failed = e;
}
expect = false;
actual = failed;
reportCompare(expect, actual, summary);
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