2 files changed, 75 insertions, 0 deletions
diff --git a/test/index.html b/test/index.html
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+<!DOCTYPE html>
+<html>
+<head>
+  <title>jQuery Once - Test Suite</title>
+  <link rel="stylesheet" href="http://code.jquery.com/qunit/qunit-1.11.0.css">
+</head>
+<body id="body">
+  <div id="qunit"></div>
+  <div id="qunit-fixture">
+
+    <div id="test1">
+      <p>This is <span>Test 1</span>.</p>
+    </div>
+
+    <div id="test2">
+      <p>This is <span>Test 2</span>.</p>
+    </div>
+
+    <div id="test3">
+      <p>This is <span>Test 3</span>.</p>
+    </div>
+
+  </div>
+
+  <script src="http://code.jquery.com/jquery-1.10.0.js"></script>
+  <script src="http://code.jquery.com/qunit/qunit-1.11.0.js"></script>
+  <script src="../jquery.once.js"></script>
+  <script src="test.js"></script>
+</body>
+</html>
diff --git a/test/test.js b/test/test.js
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+test("Properly executed", function() {
+  // Create one once() call.
+  $('#test1 span').once(function() {
+    $(this).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', callback);
+  }
+
+  // Verify that it was only called once.
+  var count = $('#test2 span').data('count');
+  ok(count === 1);
+});
+
+test("Apply the class correctly", function() {
+  // Verify that the element starts without the class.
+  var hasClass = $('#test3 span').hasClass('test3-processed');
+  ok(!hasClass, 'Processed class not applied in the beginning.');
+
+  // Create one once() call.
+  $('#test3 span').once('test3', function() {
+    // Do nothing.
+  });
+
+  // Verify the class is applied.
+  hasClass = $('#test3 span').hasClass('test3-processed');
+  ok(hasClass, 'The processed class is properly applied after once().');
+});