spec-js/util/FastMap-spec.js

"use strict";
var chai_1 = require('chai');
var FastMap_1 = require('../../dist/cjs/util/FastMap');
/** @test {FastMap} */
describe('FastMap', function () {
    it('should exist', function () {
        chai_1.expect(FastMap_1.FastMap).to.be.a('function');
    });
    it('should accept string as keys', function () {
        var map = new FastMap_1.FastMap();
        var key1 = 'keyOne';
        var key2 = 'keyTwo';
        map.set(key1, 'yo');
        map.set(key2, 'what up');
        chai_1.expect(map.get(key1)).to.equal('yo');
        chai_1.expect(map.get(key2)).to.equal('what up');
    });
    it('should allow setting keys twice', function () {
        var map = new FastMap_1.FastMap();
        var key1 = 'keyOne';
        map.set(key1, 'sing');
        map.set(key1, 'yodel');
        chai_1.expect(map.get(key1)).to.equal('yodel');
    });
    it('should have a delete method that removes keys', function () {
        var map = new FastMap_1.FastMap();
        var key1 = 'keyOne';
        map.set(key1, 'sing');
        chai_1.expect(map.delete(key1)).to.be.true;
        chai_1.expect(map.get(key1)).to.be.a('null');
    });
    it('should clear all', function () {
        var map = new FastMap_1.FastMap();
        var key1 = 'keyOne';
        var key2 = 'keyTwo';
        map.set(key1, 'yo');
        map.set(key2, 'what up');
        map.clear();
        chai_1.expect(map.get(key1)).to.be.a('undefined');
        chai_1.expect(map.get(key2)).to.be.a('undefined');
    });
    describe('prototype.forEach', function () {
        it('should exist', function () {
            var map = new FastMap_1.FastMap();
            chai_1.expect(map.forEach).to.be.a('function');
        });
        it('should iterate over keys and values', function () {
            var expectedKeys = ['a', 'b', 'c'];
            var expectedValues = [1, 2, 3];
            var map = new FastMap_1.FastMap();
            map.set('a', 1);
            map.set('b', 2);
            map.set('c', 3);
            var thisArg = {};
            map.forEach(function (value, key) {
                chai_1.expect(this).to.equal(thisArg);
                chai_1.expect(value).to.equal(expectedValues.shift());
                chai_1.expect(key).to.equal(expectedKeys.shift());
            }, thisArg);
            chai_1.expect(expectedValues.length).to.equal(0);
            chai_1.expect(expectedKeys.length).to.equal(0);
        });
    });
});
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