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Contents
/*!
* arr-diff <https://github.com/jonschlinkert/arr-diff>
*
* Copyright (c) 2014 Jon Schlinkert, contributors.
* Licensed under the MIT License
*/
'use strict';
var should = require('should');
var diff = require('./');
describe('diff', function () {
it('should diff array:', function () {
diff(['a', 'b', 'c'], ['b', 'c', 'e']).should.eql(['a']);
diff(['x', 'b', 'c', 'e', 'y'], ['b', 'x', 'e']).should.eql(['c', 'y']);
diff(['x', 'x'], ['a', 'b', 'c']).should.eql(['x', 'x']);
diff(['x'], ['a', 'b', 'c']).should.eql(['x']);
});
it('should include duplicates:', function () {
diff(['x', 'b', 'b', 'b', 'c', 'e', 'y'], ['x', 'e']).should.eql(['b', 'b', 'b', 'c', 'y']);
});
it('should diff elements from multiple arrays:', function () {
diff(['a', 'b', 'c'], ['a'], ['b']).should.eql(['c']);
});
it('should return an empty array if no unique elements are in the first array:', function () {
diff(['a'], ['a', 'b', 'c']).should.eql([]);
});
it('should return the first array if the second array is empty:', function () {
diff(['a', 'b', 'c'], []).should.eql(['a', 'b', 'c']);
});
it('should return the first array if the second array is null or undefined:', function () {
diff(['a', 'b', 'c'], null).should.eql(['a', 'b', 'c']);
diff(['a', 'b', 'c']).should.eql(['a', 'b', 'c']);
});
});
Version data entries
10 entries across 10 versions & 1 rubygems