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@@ -0,0 +1,100 @@
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+import { Utils } from '../src/Utils';
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+
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+import { JSFuck } from '../src/enums/JSFuck';
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+
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+let assert: any = require('chai').assert;
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+
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+describe('Utils', () => {
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+ describe('arrayContains ()', () => {
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+ it('should return boolean depends on condition if array is contains given value or not', () => {
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+ assert.equal(Utils.arrayContains(['1', '2', '3'], '2'), true);
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+ assert.equal(Utils.arrayContains([1, 2, 3], 2), true);
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+ assert.equal(Utils.arrayContains([1, 2, 3], 4), false);
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+ });
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+ });
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+
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+ describe('arrayRotate ()', () => {
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+ let array: number[];
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+
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+ beforeEach(() => {
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+ array = [1, 2, 3, 4, 5, 6];
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+ });
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+
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+ it('should rotate (shift) array by a given value', () => {
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+ assert.deepEqual(Utils.arrayRotate(array, 2), [5, 6, 1, 2, 3, 4]);
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+ });
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+
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+ it('should rotate (shift) array by a given value in reverse directions', () => {
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+ assert.deepEqual(Utils.arrayRotate(array, 2, true), [3, 4, 5, 6, 1, 2]);
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+ });
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+ });
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+
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+ describe('btoa ()', () => {
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+ it('should creates a base-64 encoded string from a given string', () => {
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+ assert.equal(Utils.btoa('string'), 'c3RyaW5n');
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+ });
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+ });
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+
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+ describe('decToHex ()', () => {
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+ it('should creates a string with hexadecimal value from a given decimal number', () => {
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+ assert.equal(Utils.decToHex(0), '0');
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+ assert.equal(Utils.decToHex(10), 'a');
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+ assert.equal(Utils.decToHex(17), '11');
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+ });
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+ });
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+
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+ describe('getRandomInteger ()', () => {
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+ let values: number[] = [],
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+ randomValue: number;
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+
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+ beforeEach(() => {
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+ for (let i = 0; i < 200; i++) {
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+ randomValue = Utils.getRandomInteger(0, 100);
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+
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+ if (values.indexOf(randomValue) === -1) {
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+ values.push(randomValue);
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+ }
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+ }
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+
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+ values.sort((a, b) => {
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+ return a - b;
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+ });
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+ });
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+
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+ it('should return a random integer between two ranges', () => {
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+ assert.isAtLeast(values[0], 0);
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+ assert.isAtMost(values[values.length - 1], 100);
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+ });
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+ });
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+
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+ describe('getRandomVariableName ()', () => {
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+ it('should return a string of given length with random variable name', () => {
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+ assert.match(Utils.getRandomVariableName(4), /^_0x(\w){4}$/);
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+ assert.match(Utils.getRandomVariableName(6), /^_0x(\w){6}$/);
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+ });
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+ });
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+
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+ describe('isInteger ()', () => {
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+ it('should return true if given number or string is integer', () => {
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+ assert.equal(Utils.isInteger(4), true);
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+ assert.equal(Utils.isInteger(<any>'4'), true);
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+ assert.equal(Utils.isInteger(<any>'a'), false);
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+ });
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+ });
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+
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+ describe('stringToJSFuck ()', () => {
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+ let expected: string = `${JSFuck.s} + ${JSFuck.t} + ${JSFuck.r} + ${JSFuck.i} + ${JSFuck.n} + ${JSFuck.g}`;
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+
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+ it('should creates a JSFuck encoded string from a given string', () => {
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+ assert.equal(Utils.stringToJSFuck('string'), expected);
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+ });
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+ });
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+
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+ describe('stringToUnicode ()', () => {
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+ let expected: string = `'\\x73\\x74\\x72\\x69\\x6e\\x67'`;
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+
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+ it('should return a unicode encoded string from a given string', () => {
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+ assert.equal(Utils.stringToUnicode('string'), expected);
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+ });
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+ });
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+});
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