text: var assert = require('assert');
  
  var R = require('..');
  
  
  describe('negate', function() {
  
      it('negates its argument', function() {
          assert.strictEqual(R.negate(-Infinity), Infinity);
          assert.strictEqual(R.negate(-1), 1);
          assert.strictEqual(R.negate(0), 0);
          assert.strictEqual(R.negate(1), -1);
          assert.strictEqual(R.negate(Infinity), -Infinity);
      });
  
  });
  