KingNET.WebUI/Scripts/linqjs/test/enumerable.js

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/// <reference path="testrunner.htm"/>

module("Enumerable");

test("Choice", function ()
{
    actual = Enumerable.Choice(1, 10, 31, 42).Take(10).ToArray();
    notEqual(actual, [1, 10, 31, 42, 1, 10, 31, 42, 1, 10], "random test. if failed retry");
    equal(actual.length, 10);

    actual = Enumerable.Choice([1, 10, 31, 42]).Take(10).ToArray();
    notEqual(actual, [1, 10, 31, 42, 1, 10, 31, 42, 1, 10], "random test. if failed retry");
    equal(actual.length, 10);
});

test("Cycle", function ()
{
    actual = Enumerable.Cycle(1, 10, 31, 42).Take(10).ToArray();
    deepEqual(actual, [1, 10, 31, 42, 1, 10, 31, 42, 1, 10]);
    actual = Enumerable.Cycle([1, 2, 3, 4, 5]).Take(10).ToArray();
    deepEqual(actual, [1, 2, 3, 4, 5, 1, 2, 3, 4, 5]);
});

test("Empty", function ()
{
    actual = Enumerable.Empty().ToArray();
    deepEqual(actual, []);
});

test("From", function ()
{
    actual = Enumerable.From("temp").ToArray();
    deepEqual(actual, ["t", "e", "m", "p"]);

    actual = Enumerable.From(3).ToArray();
    deepEqual(actual, [3]);

    actual = Enumerable.From([1, 2, 3, 4, 5]).ToArray();
    deepEqual(actual, [1, 2, 3, 4, 5]);

    actual = Enumerable.From({ foo: "bar", func: function () { } }).ToArray();
    deepEqual(actual, [{ Key: "foo", Value: "bar"}]);

    var div = document.createElement("html");
    var last = document.createElement("div");
    last.appendChild(document.createTextNode("test"));
    div.appendChild(document.createElement("div"));
    div.appendChild(document.createElement("div"));
    div.appendChild(last);
    var seq = Enumerable.From(div.getElementsByTagName("div"));
    equal(seq.Count(), 3);
    equal(seq.ElementAt(2), last);
    equal(seq.ElementAt(2).firstChild.nodeValue, "test");
});

test("Return", function ()
{
    actual = Enumerable.Return("hoge").ToArray();
    deepEqual(actual, ["hoge"]);
});