text: import assert from 'assert';
  import lodashStable from 'lodash';
  import { slice } from './utils.js';
  import unary from '../unary.js';
  
  describe('unary', function() {
    function fn() {
      return slice.call(arguments);
    }
  
    it('should cap the number of arguments provided to `func`', function() {
      var actual = lodashStable.map(['6', '8', '10'], unary(parseInt));
      assert.deepStrictEqual(actual, [6, 8, 10]);
    });
  
    it('should not force a minimum argument count', function() {
      var capped = unary(fn);
      assert.deepStrictEqual(capped(), []);
    });
  
    it('should use `this` binding of function', function() {
      var capped = unary(function(a, b) { return this; }),
          object = { 'capped': capped };
  
      assert.strictEqual(object.capped(), object);
    });
  });
  