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

describe('tail', function() {
  it('returns the tail of an ordered collection', function() {    eq(R.tail([1, 2, 3]), [2, 3]);    eq(R.tail([2, 3]), [3]);    eq(R.tail([3]), []);    eq(R.tail([]), []);
    eq(R.tail('abc'), 'bc');    eq(R.tail('bc'), 'c');    eq(R.tail('c'), '');    eq(R.tail(''), '');  });
  it('throws if applied to null or undefined', function() {    assert.throws(function() { R.tail(null); }, TypeError);    assert.throws(function() { R.tail(undefined); }, TypeError);  });
});