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var R = require('../source');var eq = require('./shared/eq');
describe('update', function() {  it('updates the value at the given index of the supplied array', function() {    eq(R.update(2, 4, [0, 1, 2, 3]), [0, 1, 4, 3]);  });
  it('offsets negative indexes from the end of the array', function() {    eq(R.update(-3, 4, [0, 1, 2, 3]), [0, 4, 2, 3]);  });
  it('returns the original array if the supplied index is out of bounds', function() {    var list = [0, 1, 2, 3];    eq(R.update(4, 4, list), list);    eq(R.update(-5, 4, list), list);  });
  it('does not mutate the original array', function() {    var list = [0, 1, 2, 3];    eq(R.update(2, 4, list), [0, 1, 4, 3]);    eq(list, [0, 1, 2, 3]);  });
  it('curries the arguments', function() {    eq(R.update(2)(4)([0, 1, 2, 3]), [0, 1, 4, 3]);  });
  it('accepts an array-like object', function() {    function args() {      return arguments;    }    eq(R.update(2, 4, args(0, 1, 2, 3)), [0, 1, 4, 3]);  });
});