axe-core/test/core/utils/to-array.js

Accessibility engine for automated Web UI testing

describe('axe.utils.toArray', function () {
	'use strict';
	it('should call Array.prototype.slice', function () {
		var orig = Array.prototype.slice,
			called = false,
			arrayLike = {'0': 'cats', length: 1};

		Array.prototype.slice = function () {
			called = true;
			assert.equal(this, arrayLike);
		};

		axe.utils.toArray(arrayLike);

		assert.isTrue(called);

		Array.prototype.slice = orig;
	});

	it('should return an array', function () {
		var arrayLike = {'0': 'cats', length: 1};

		var result = axe.utils.toArray(arrayLike);
		assert.isArray(result);
	});

});

describe('axe.utils.uniqueArray', function () {
	'use strict';

	it('should filter duplicate values', function () {
		var array1 = [1, 2, 3, 4, 5];
		var array2 = [1, 3, 7];

		var result = axe.utils.uniqueArray(array1, array2);
		assert.isArray(result);
		assert.includeMembers(result, [1, 2, 3, 4, 5, 7]);
	});
});