@drozdik.m/comparator-handler/dist/tests/ComparatorHandler.test.js

Class that handles comparators and makes it easy for programmer to compare objects or primitive types inside more complicated classes.

exports.__esModule = true;
var ComparatorHandler_1 = require("../src/ComparatorHandler");
var unit_test_1 = require("@drozdik.m/unit-test");
//-----TESTING CLASSES-----
var NoIComparable = /** @class */ (function () {
    function NoIComparable(n) {
        this.someNumber = n;
    }
    return NoIComparable;
}());
var YesIComparable = /** @class */ (function () {
    function YesIComparable(n) {
        this.someNumber = n;
    }
    YesIComparable.prototype.GetComparator = function () {
        return function (a, b) {
            if (a.someNumber < b.someNumber)
                return 1;
            if (a.someNumber > b.someNumber)
                return -1;
            return 0;
        };
    };
    return YesIComparable;
}());
var unitTest = new unit_test_1.UnitTest("Comparator handler");
unitTest.AddTestCase("Default comparator", function () {
    var comparatorHandler1 = new ComparatorHandler_1.ComparatorHandler();
    unit_test_1.Assert.AreEqual(comparatorHandler1.Compare(1, 2), -1);
    unit_test_1.Assert.AreEqual(comparatorHandler1.Compare(2, 1), 1);
    unit_test_1.Assert.AreEqual(comparatorHandler1.Compare(1, 1), 0);
});
unitTest.AddTestCase("Explicit comparator", function () {
    var comparatorHandler2 = new ComparatorHandler_1.ComparatorHandler(function (a, b) {
        if (a < b)
            return 1;
        if (a > b)
            return -1;
        return 0;
    });
    unit_test_1.Assert.AreEqual(comparatorHandler2.Compare(1, 2), 1);
    unit_test_1.Assert.AreEqual(comparatorHandler2.Compare(2, 1), -1);
    unit_test_1.Assert.AreEqual(comparatorHandler2.Compare(1, 1), 0);
});
unitTest.AddTestCase("Automatic IComparable recognition", function () {
    var comparatorHandler3 = new ComparatorHandler_1.ComparatorHandler();
    var object1 = new YesIComparable(1);
    var object2 = new YesIComparable(1);
    var object3 = new YesIComparable(2);
    unit_test_1.Assert.AreEqual(comparatorHandler3.Compare(object1, object3), 1);
    unit_test_1.Assert.AreEqual(comparatorHandler3.Compare(object3, object1), -1);
    unit_test_1.Assert.AreEqual(comparatorHandler3.Compare(object1, object2), 0);
    comparatorHandler3.SetComparator(function (a, b) {
        return 2;
    });
    unit_test_1.Assert.AreEqual(comparatorHandler3.Compare(object1, object3), 1);
    unit_test_1.Assert.AreEqual(comparatorHandler3.Compare(object3, object1), 1);
    unit_test_1.Assert.AreEqual(comparatorHandler3.Compare(object1, object2), 1);
    comparatorHandler3.SetAutomaticIComparableRecognition(true);
    unit_test_1.Assert.AreEqual(comparatorHandler3.Compare(object1, object3), 1);
    unit_test_1.Assert.AreEqual(comparatorHandler3.Compare(object3, object1), -1);
    unit_test_1.Assert.AreEqual(comparatorHandler3.Compare(object1, object2), 0);
});
unitTest.AddTestCase("Explicit comparator and automatic IComparable recognition", function () {
    var object1 = new YesIComparable(1);
    var object2 = new YesIComparable(1);
    var object3 = new YesIComparable(2);
    var comparatorHandler4 = new ComparatorHandler_1.ComparatorHandler(function (a, b) {
        return 2;
    });
    unit_test_1.Assert.AreEqual(comparatorHandler4.Compare(object1, object3), 1);
    unit_test_1.Assert.AreEqual(comparatorHandler4.Compare(object3, object1), 1);
    unit_test_1.Assert.AreEqual(comparatorHandler4.Compare(object1, object2), 1);
});
unitTest.AddTestCase("Clone", function () {
    var comparatorHandler4 = new ComparatorHandler_1.ComparatorHandler(function (a, b) {
        return 2;
    });
    var comparatorHandler5 = comparatorHandler4.Clone();
    comparatorHandler5.SetAutomaticIComparableRecognition(true);
    unit_test_1.Assert.AreNotEqual(comparatorHandler5.automaticIComparableRecognition, comparatorHandler4.automaticIComparableRecognition);
});
unitTest.Run();