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var assert = require('assert');
var R = require('../source');var eq = require('./shared/eq');

describe('range', function() {
  it('returns list of numbers', function() {    eq(R.range(0, 5), [0, 1, 2, 3, 4]);    eq(R.range(4, 7), [4, 5, 6]);  });
  it('returns the empty list if the first parameter is not larger than the second', function() {    eq(R.range(7, 3), []);    eq(R.range(5, 5), []);  });
  it('returns an empty array if from > to', function() {    var result = R.range(10, 5);    eq(result, []);    result.push(5);    eq(R.range(10, 5), []);  });
  it('terminates given bad input', function() {    assert.throws(      function() { R.range('a', 'z'); },      function(err) {        return err.constructor === TypeError &&               err.message === 'Both arguments to range must be numbers';      }    );  });
});