File: test_functions.vim

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" Tests for various functions.

func Test_str2nr()
  call assert_equal(0, str2nr(''))
  call assert_equal(1, str2nr('1'))
  call assert_equal(1, str2nr(' 1 '))

  call assert_equal(1, str2nr('+1'))
  call assert_equal(1, str2nr('+ 1'))
  call assert_equal(1, str2nr(' + 1 '))

  call assert_equal(-1, str2nr('-1'))
  call assert_equal(-1, str2nr('- 1'))
  call assert_equal(-1, str2nr(' - 1 '))

  call assert_equal(123456789, str2nr('123456789'))
  call assert_equal(-123456789, str2nr('-123456789'))
endfunc

sandbox function Fsandbox()
  normal ix
endfunc

func Test_func_sandbox()
  sandbox let F = {-> 'hello'}
  call assert_equal('hello', F())

  sandbox let F = {-> execute("normal ix\<Esc>")}
  call assert_fails('call F()', 'E48:')
  unlet F

  call assert_fails('call Fsandbox()', 'E48:')
  delfunc Fsandbox
endfunc