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test("Properly executed", function() {
// Create one once() call.
$('#test1 span').once().data('test1', 'foobar');
var data = $('#test1 span').data('test1');
ok(data === "foobar");
});
test("Called only once", function() {
// Count the number of times once() was called.
$('#test2 span').data('count', 0);
// Create the once() callback.
var callback = function() {
var count = $('#test2 span').data('count');
count++;
$('#test2 span').data('count', count);
};
// Call once() a bunch of times.
for (var i = 0; i < 10; i++) {
$('#test2 span').once('count').each(callback);
}
// Verify that it was only called once.
var count = $('#test2 span').data('count');
ok(count === 1, 'It was called ' + count + ' times.');
});
test("Apply the value to data correctly", function() {
// Verify that the element starts without the class.
var hasData = $('#test3 span').data('jquery-once-test3');
ok(!hasData, 'Value not applied in the beginning.');
// Create one once() call.
$('#test3 span').once('test3');
// Verify the data is applied.
hasData = $('#test3 span').data('jquery-once-test3');
ok(hasData, 'The value is properly applied after once().');
});
test("Remove the value from attribute correctly", function() {
// Create one once() call.
$('#test4 span').once('test4');
// Verify the data is applied.
var hasData = $('#test4 span').data('jquery-once-test4');
ok(hasData, 'The value is properly applied after once().');
// Remove the once property.
$('#test4 span').removeOnce('test4');
hasData = $('#test4 span').data('jquery-once-test4');
ok(!hasData, 'The value is properly removed when called removeOnce().');
});
test("Finding elements correctly through findOnce()", function() {
// Create one once() call.
$('#test5 span').once('test5');
// Find the once'd element through the callback.
var elements = $('span').findOnce('test5').each(function() {
var hasData = $(this).data('jquery-once-test5');
ok(hasData, 'Finding the correct span element after once() through callback.');
});
// Find the once'd element without the callback.
elements = $('span').findOnce('test5');
elements.each(function() {
var hasData = $(this).data('jquery-once-test5');
ok(hasData, 'Finding the correct span element after once().');
});
});
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