yui/tests/array.html

	array.html revision 43692b3f865f1b1c970aedb2b96392482bd1fe3e
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>YUI Array Tests</title>
</head>

<body class="yui-skin-sam">
<h1>Array Tests</h1>
<span>test</span>
<span>test</span>
<span>test</span>
<p><input type="button" value="Run Tests" id="btnRun" disabled="true" /></p>

<script type="text/javascript" src="/build/yui/yui.js"></script>
<script type="text/javascript">

(function() {

    YUI({
        base: "/build/",
        logExclude: {
            attribute: true,
            dom: true,
            node: true,
            event: true,
            base: true,
            widget: true,
            selector: true
        },
        useConsole: true
    }).use("dump", "test", "console", "event-custom", function(Y) {

        var button = Y.get('#btnRun');

        // Set up the page
        button.set("disabled", false);
        Y.on("click", function() {
            Y.Test.Runner.run();
        }, button);

        var myConsole = new Y.Console().render();

        var testArray = new Y.Test.Case({
            name: "Array tests",

            '[3, 100, 1, 2] should produce [1, 2, 3, 100] when sorted': function() {

                // the stock sort behavior should fail to produce desired result
                Y.ArrayAssert.itemsAreEqual([1, 100, 2, 3], [3, 100, 1, 2].sort());

                Y.ArrayAssert.itemsAreEqual([1, 2, 3, 100], [3, 100, 1, 2].sort(Y.Array.numericSort));

            },

            test_some: function() {
                var a = [1, 2, 3];

                Y.Array.some(a, function(v) {
                    if (v == 2) {
                        return 'truthy';
                    }

                    if (v == 3) {
                        Y.fail('truthy value did not stop iteration');
                    }
                });

                if (a.some) {
                    Y.log('Using native Array.some support.');
                    a.some(function(v) {
                        if (v == 2) {
                            return v;
                        }

                        if (v == 3) {
                            Y.fail('truthy value did not stop iteration');
                        }
                    });
                } else {
                    Y.log('No native Array.some support.');
                }
            },

            test_array: function() {

                var els = document.getElementsByTagName('span'),
                    a = Y.Array(els, 1),
                    nodes = Y.all('span'),
                    b = Y.Array(nodes, 1);

                Y.log('els length:' + els.length);
                Y.log('a length:' + a.length);
                Y.log('els tagName:' + els.tagName);
                Y.log('els alert:' + els.alert);
                Y.log('els size:' + els.size);
                Y.log('els array test:' + Y.Array.test(els));

                // Y.Lang.type is broken for HTMLElementCollections in Safari.  isObject
                // returns false because typeof returns function

                Y.log('els isObject:' + Y.Lang.isObject(els)); // false in Safari
                Y.log('els type:' + Y.Lang.type(els) + '+'); // object
                Y.log('els typeof:' + typeof els); // function
                Y.log('els isFunction:' + Y.Lang.isFunction(els)); // false
                Y.log('els.call:' + els.call);
                Y.log('els.apply:' + els.apply);

                Y.Assert.areEqual(2, a.length);

                // @TODO NodeList will be wrapped rather than have the items coerced into an
                // array.  If Array.test is adapted to handle NodeLists this could be made to
                // work.
                // Y.Assert.areEqual(2, b.length);

            },

            test_array_test: function(arg1, arg2) {

                Y.Assert.areEqual(0, Y.Array.test(function(){})); // functions should fail
                Y.Assert.areEqual(0, Y.Array.test(Y.one('#btnRun'))); // single nodes should fail
                Y.Assert.areEqual(0, Y.Array.test('string'));
                Y.Assert.areEqual(0, Y.Array.test(12345));
                Y.Assert.areEqual(0, Y.Array.test(null));
                Y.Assert.areEqual(0, Y.Array.test(undefined));
                Y.Assert.areEqual(0, Y.Array.test(/regexp/));
                Y.Assert.areEqual(0, Y.Array.test(new Date()));
                Y.Assert.areEqual(1, Y.Array.test([1, 2]));
                Y.Assert.areEqual(1, Y.Array.test([]));
                // Y.Assert.areEqual(1, Y.Array.test('string'.toCharArray()));
                Y.Assert.areEqual(2, Y.Array.test(arguments), 'arguments should be arraylike'); // arguments collection
                Y.Assert.areEqual(2, Y.Array.test(document.getElementsByTagName('span')), 'htmlelement collections should be arraylike'); // HTMLElementsCollection

                // @TODO figure out what to do with this.  A NodeList does not contain a collection of Nodes; it
                // contains a collection of HTMLElements.
                // Y.Assert.areEqual(3, Y.Array.test(Y.all('#btnRun')), 'nodelists should be specifically identified as a special collection'); // NodeList
                Y.Assert.areEqual(0, Y.Array.test(Y.all('span')), 'nodelists are not currently considered arraylike'); // NodeList
            }

        });


        Y.Test.Runner.add(testArray);
        Y.Test.Runner.run();
    });
})();
</script>
</body>
</html>