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test.html
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test.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>JavaScript unit test file</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<script src="http://code.jquery.com/jquery-latest.js" type="text/javascript"></script>
<script src="http://dev.jquery.com/view/trunk/qunit/testrunner.js" type="text/javascript"></script>
<script src="jquery.cacheimage.js" type="text/javascript"></script>
<link rel="stylesheet" href="http://dev.jquery.com/view/trunk/qunit/testsuite.css" type="text/css" media="screen" />
<style type="text/css">
#main { display: none; }
</style>
</head>
<body>
<h1>jquery.cacheimage.js tests</h1>
<h2 id="banner"></h2>
<h2 id="userAgent"></h2>
<ol id="tests"></ol>
<div id="main">
<img src="fixtures/images/stateless-logo.png" id="image1" alt="" />
</div>
<script type="text/javascript">
//<![CDATA[
(function ($) {
test('Image from DOM should be loaded into memory', function () {
stop();
$('#image1').cacheImage({
load: function (e) {
ok(this.height > 0, 'Image loaded');
start();
},
error: function (e) {
ok(false, 'Image ' + this.src + ' did not load');
start();
}
});
});
test('Image from static call should be loaded into memory', function () {
stop();
var image = $.cacheImage(url('fixtures/images/stateless-logo.png'), {
load: function (e) {
ok(this.height > 0, 'Image loaded');
start();
},
error: function (e) {
ok(false, 'Image ' + this.src + ' did not load');
start();
}
});
ok(image.height === 0, 'Image not in cache');
});
test('Multiple images from static call should be loaded into memory', function () {
var loaded = 0;
stop();
$.cacheImage([url('fixtures/images/stateless-logo.png'), url('fixtures/images/stateless-logo.png')], {
load: function (e) {
loaded++;
if (loaded === 2) {
ok(this.height > 0, 'Images loaded');
start();
}
},
error: function (e) {
ok(false, 'Image ' + this.src + ' did not load');
start();
}
});
});
test('Error callback should be called on error', function () {
stop();
var image = $.cacheImage('http://localhost/no-such-image', {
error: function (e) {
ok(e.type === 'error', 'Error was caught');
start();
}
});
});
test('Complete callback should be called on error', function () {
stop();
var image = $.cacheImage('http://localhost/no-such-image', {
complete: function (e) {
ok(true, 'Complete callback was triggered on error');
start();
}
});
});
test('Complete callback should be called on load', function () {
stop();
var image = $.cacheImage('fixtures/images/stateless-logo.png', {
complete: function (e) {
ok(true, 'Complete callback was triggered on load');
start();
}
});
});
})(jQuery);
//]]>
</script>
</body>
</html>