<html>
<head>
<meta charset='utf-8'>
<style>
.pass {
    font-weight: bold;
    color: green;
}
.fail {
    font-weight: bold;
    color: red;
}
</style>

<script>
if (window.testRunner)
    testRunner.dumpAsText();

function SputnikError(message)
{
    this.message = message;
}

SputnikError.prototype.toString = function ()
{
    return 'SputnikError: ' + this.message;
};

var sputnikException;

function testPrint(msg)
{
    var span = document.createElement("span");
    document.getElementById("console").appendChild(span); // insert it first so XHTML knows the namespace 
    span.innerHTML = msg + '<br />';
}

function escapeHTML(text)
{
    return text.toString().replace(/&/g, "&amp;").replace(/</g, "&lt;");
}

function printTestPassed(msg)
{
    testPrint('<span><span class="pass">PASS</span> ' + escapeHTML(msg) + '</span>');
}

function printTestFailed(msg)
{
    testPrint('<span><span class="fail">FAIL</span> ' + escapeHTML(msg) + '</span>');
}

function testFailed(msg)
{
    throw new SputnikError(msg);
}

var successfullyParsed = false;
</script>

</head>
<body>
<p>S13_A18</p>
<div id='console'></div>
<script>
try {

/**
* @name: S13_A18;
* @section: 13;
* @assertion: Closures are admitted;
* @description: Using a function declaration as a function parameter;
*/

//////////////////////////////////////////////////////////////////////////////
//CHECK#1
if (typeof sinx !== 'undefined') {
	testFailed('#1: typeof sinx === \'undefined\'. Actual: typeof sinx ==='+typeof sinx);
}
//
//////////////////////////////////////////////////////////////////////////////

var __val = function derivative(f, dx) {
    return function(x) {
      return (f(x + dx) - f(x)) / dx;
    };
}(function sinx(x){return Math.sin(x);},.0001)(0.5);

//////////////////////////////////////////////////////////////////////////////
//CHECK#2
if (typeof sinx !== 'undefined') {
	testFailed('#2: typeof sinx === \'undefined\'. Actual: typeof sinx ==='+typeof sinx);
}
//
//////////////////////////////////////////////////////////////////////////////

} catch (ex) {
    sputnikException = ex;
}

var successfullyParsed = true;
</script>

<script>
if (!successfullyParsed)
    printTestFailed('successfullyParsed is not set');
else if (sputnikException)
    printTestFailed(sputnikException);
else
    printTestPassed("");
testPrint('<br /><span class="pass">TEST COMPLETE</span>');
</script>
</body>
</html>