functionfoundry/test/index.js

Pure function JavaScript library

import index from '../src/index';
import test from 'tape';
import error from '../src/error';

test('index', function(t) {
  t.plan(5)
  var array = [[1,2], [3,4], [5,6]]
  t.equal( index(array, 1), 1, 'Should be 1');
  t.equal( index(array, 1, 2), 2, 'Should be 2');
  t.equal( index(array, 3, 2), 6, 'Should be 6');
  t.equal( index(array, 4), error.ref, 'Should be out of range');
  t.equal( index(array, 1, 3), error.ref, 'Should be out of range');
});