var test = require('tape')
var parse = require('../parser')

test('concatenation', function (t) {
  var arg = parse('"two "\' strings\'', 'argument')
  t.deepEqual(arg,
              { type: 'literal', value: 'two  strings' },
              'concatenated literals are flattened') 

  var arg = parse('$var"and a string"', 'argument')
  t.deepEqual(arg, {
    type: 'concatenation',
    pieces: [
      { type: 'variable', name: 'var' },
      { type: 'literal', value: 'and a string' }
    ]
  }, 'can concatenate $var and strings') 

  var arg = parse('"it\'s easy to switch "\'"back"\'" and "\'"forth"\'',
                  'argument')
  t.deepEqual(arg, {
    type: 'literal',
    value: 'it\'s easy to switch "back" and "forth"'
  }, 'can concatenate alternating quote contexts') 

  t.end()
})