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

describe('nthArg', function() {  it('returns a function which returns its nth argument', function() {    eq(R.nthArg(0)('foo', 'bar'), 'foo');    eq(R.nthArg(1)('foo', 'bar'), 'bar');  });
  it('accepts negative offsets', function() {    eq(R.nthArg(-1)('foo', 'bar'), 'bar');    eq(R.nthArg(-2)('foo', 'bar'), 'foo');    eq(R.nthArg(-3)('foo', 'bar'), undefined);  });
  it('returns a function with length n + 1 when n >= 0', function() {    eq(R.nthArg(0).length, 1);    eq(R.nthArg(1).length, 2);    eq(R.nthArg(2).length, 3);    eq(R.nthArg(3).length, 4);  });
  it('returns a function with length 1 when n < 0', function() {    eq(R.nthArg(-1).length, 1);    eq(R.nthArg(-2).length, 1);    eq(R.nthArg(-3).length, 1);  });
  it('returns a curried function', function() {    eq(R.nthArg(1)('foo', 'bar'), R.nthArg(1)('foo')('bar'));    eq(R.nthArg(2)('foo', 'bar', 'baz'), R.nthArg(2)('foo')('bar')('baz'));  });});