1 files changed, 482 insertions, 0 deletions
diff --git a/src/testdir/test_arglist.vim b/src/testdir/test_arglist.vim
new file mode 100644
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+" Test argument list commands
+
+func Test_argidx()
+  args a b c
+  last
+  call assert_equal(2, argidx())
+  %argdelete
+  call assert_equal(0, argidx())
+  " doing it again doesn't result in an error
+  %argdelete
+  call assert_equal(0, argidx())
+  call assert_fails('2argdelete', 'E16:')
+
+  args a b c
+  call assert_equal(0, argidx())
+  next
+  call assert_equal(1, argidx())
+  next
+  call assert_equal(2, argidx())
+  1argdelete
+  call assert_equal(1, argidx())
+  1argdelete
+  call assert_equal(0, argidx())
+  1argdelete
+  call assert_equal(0, argidx())
+endfunc
+
+func Test_argadd()
+  %argdelete
+  argadd a b c
+  call assert_equal(0, argidx())
+
+  %argdelete
+  argadd a
+  call assert_equal(0, argidx())
+  argadd b c d
+  call assert_equal(0, argidx())
+
+  call Init_abc()
+  argadd x
+  call Assert_argc(['a', 'b', 'x', 'c'])
+  call assert_equal(1, argidx())
+
+  call Init_abc()
+  0argadd x
+  call Assert_argc(['x', 'a', 'b', 'c'])
+  call assert_equal(2, argidx())
+
+  call Init_abc()
+  1argadd x
+  call Assert_argc(['a', 'x', 'b', 'c'])
+  call assert_equal(2, argidx())
+
+  call Init_abc()
+  $argadd x
+  call Assert_argc(['a', 'b', 'c', 'x'])
+  call assert_equal(1, argidx())
+
+  call Init_abc()
+  $argadd x
+  +2argadd y
+  call Assert_argc(['a', 'b', 'c', 'x', 'y'])
+  call assert_equal(1, argidx())
+
+  %argd
+  edit d
+  arga
+  call assert_equal(1, len(argv()))
+  call assert_equal('d', get(argv(), 0, ''))
+
+  %argd
+  edit some\ file
+  arga
+  call assert_equal(1, len(argv()))
+  call assert_equal('some file', get(argv(), 0, ''))
+
+  %argd
+  new
+  arga
+  call assert_equal(0, len(argv()))
+endfunc
+
+func Test_argadd_empty_curbuf()
+  new
+  let curbuf = bufnr('%')
+  call writefile(['test', 'Xargadd'], 'Xargadd')
+  " must not re-use the current buffer.
+  argadd Xargadd
+  call assert_equal(curbuf, bufnr('%'))
+  call assert_equal('', bufname('%'))
+  call assert_equal(1, line('$'))
+  rew
+  call assert_notequal(curbuf, bufnr('%'))
+  call assert_equal('Xargadd', bufname('%'))
+  call assert_equal(2, line('$'))
+
+  call delete('Xargadd')
+  %argd
+  bwipe!
+endfunc
+
+func Init_abc()
+  args a b c
+  next
+endfunc
+
+func Assert_argc(l)
+  call assert_equal(len(a:l), argc())
+  let i = 0
+  while i < len(a:l) && i < argc()
+    call assert_equal(a:l[i], argv(i))
+    let i += 1
+  endwhile
+endfunc
+
+" Test for [count]argument and [count]argdelete commands
+" Ported from the test_argument_count.in test script
+func Test_argument()
+  " Clean the argument list
+  arga a | %argd
+
+  let save_hidden = &hidden
+  set hidden
+
+  let g:buffers = []
+  augroup TEST
+    au BufEnter * call add(buffers, expand('%:t'))
+  augroup END
+
+  argadd a b c d
+  $argu
+  $-argu
+  -argu
+  1argu
+  +2argu
+
+  augroup TEST
+    au!
+  augroup END
+
+  call assert_equal(['d', 'c', 'b', 'a', 'c'], g:buffers)
+
+  redir => result
+  args
+  redir END
+  call assert_equal('a   b   [c] d', trim(result))
+
+  .argd
+  call assert_equal(['a', 'b', 'd'], argv())
+
+  -argd
+  call assert_equal(['a', 'd'], argv())
+
+  $argd
+  call assert_equal(['a'], argv())
+
+  1arga c
+  1arga b
+  $argu
+  $arga x
+  call assert_equal(['a', 'b', 'c', 'x'], argv())
+
+  0arga y
+  call assert_equal(['y', 'a', 'b', 'c', 'x'], argv())
+
+  %argd
+  call assert_equal([], argv())
+
+  arga a b c d e f
+  2,$-argd
+  call assert_equal(['a', 'f'], argv())
+
+  let &hidden = save_hidden
+
+  " Setting argument list should fail when the current buffer has unsaved
+  " changes
+  %argd
+  enew!
+  set modified
+  call assert_fails('args x y z', 'E37:')
+  args! x y z
+  call assert_equal(['x', 'y', 'z'], argv())
+  call assert_equal('x', expand('%:t'))
+
+  last | enew | argu
+  call assert_equal('z', expand('%:t'))
+
+  %argdelete
+  call assert_fails('argument', 'E163:')
+endfunc
+
+func Test_list_arguments()
+  " Clean the argument list
+  arga a | %argd
+
+  " four args half the screen width makes two lines with two columns
+  let aarg = repeat('a', &columns / 2 - 4)
+  let barg = repeat('b', &columns / 2 - 4)
+  let carg = repeat('c', &columns / 2 - 4)
+  let darg = repeat('d', &columns / 2 - 4)
+  exe 'argadd ' aarg barg carg darg
+
+  redir => result
+  args
+  redir END
+  call assert_match('\[' . aarg . '] \+' . carg . '\n' . barg . ' \+' . darg, trim(result))
+
+  " if one arg is longer than half the screen make one column
+  exe 'argdel' aarg
+  let aarg = repeat('a', &columns / 2 + 2)
+  exe '0argadd' aarg
+  redir => result
+  args
+  redir END
+  call assert_match(aarg . '\n\[' . barg . ']\n' . carg . '\n' . darg, trim(result))
+
+  %argdelete
+endfunc
+
+func Test_args_with_quote()
+  " Only on Unix can a file name include a double quote.
+  if has('unix')
+    args \"foobar
+    call assert_equal('"foobar', argv(0))
+    %argdelete
+  endif
+endfunc
+
+" Test for 0argadd and 0argedit
+" Ported from the test_argument_0count.in test script
+func Test_zero_argadd()
+  " Clean the argument list
+  arga a | %argd
+
+  arga a b c d
+  2argu
+  0arga added
+  call assert_equal(['added', 'a', 'b', 'c', 'd'], argv())
+
+  2argu
+  arga third
+  call assert_equal(['added', 'a', 'third', 'b', 'c', 'd'], argv())
+
+  %argd
+  arga a b c d
+  2argu
+  0arge edited
+  call assert_equal(['edited', 'a', 'b', 'c', 'd'], argv())
+
+  2argu
+  arga third
+  call assert_equal(['edited', 'a', 'third', 'b', 'c', 'd'], argv())
+
+  2argu
+  argedit file\ with\ spaces another file
+  call assert_equal(['edited', 'a', 'file with spaces', 'another', 'file', 'third', 'b', 'c', 'd'], argv())
+  call assert_equal('file with spaces', expand('%'))
+endfunc
+
+func Reset_arglist()
+  args a | %argd
+endfunc
+
+" Test for argc()
+func Test_argc()
+  call Reset_arglist()
+  call assert_equal(0, argc())
+  argadd a b
+  call assert_equal(2, argc())
+endfunc
+
+" Test for arglistid()
+func Test_arglistid()
+  call Reset_arglist()
+  arga a b
+  call assert_equal(0, arglistid())
+  split
+  arglocal
+  call assert_equal(1, arglistid())
+  tabnew | tabfirst
+  call assert_equal(0, arglistid(2))
+  call assert_equal(1, arglistid(1, 1))
+  call assert_equal(0, arglistid(2, 1))
+  call assert_equal(1, arglistid(1, 2))
+  tabonly | only | enew!
+  argglobal
+  call assert_equal(0, arglistid())
+endfunc
+
+" Tests for argv() and argc()
+func Test_argv()
+  call Reset_arglist()
+  call assert_equal([], argv())
+  call assert_equal("", argv(2))
+  call assert_equal(0, argc())
+  argadd a b c d
+  call assert_equal(4, argc())
+  call assert_equal('c', argv(2))
+
+  let w1_id = win_getid()
+  split
+  let w2_id = win_getid()
+  arglocal
+  args e f g
+  tabnew
+  let w3_id = win_getid()
+  split
+  let w4_id = win_getid()
+  argglobal
+  tabfirst
+  call assert_equal(4, argc(w1_id))
+  call assert_equal('b', argv(1, w1_id))
+  call assert_equal(['a', 'b', 'c', 'd'], argv(-1, w1_id))
+
+  call assert_equal(3, argc(w2_id))
+  call assert_equal('f', argv(1, w2_id))
+  call assert_equal(['e', 'f', 'g'], argv(-1, w2_id))
+
+  call assert_equal(3, argc(w3_id))
+  call assert_equal('e', argv(0, w3_id))
+  call assert_equal(['e', 'f', 'g'], argv(-1, w3_id))
+
+  call assert_equal(4, argc(w4_id))
+  call assert_equal('c', argv(2, w4_id))
+  call assert_equal(['a', 'b', 'c', 'd'], argv(-1, w4_id))
+
+  call assert_equal(4, argc(-1))
+  call assert_equal(3, argc())
+  call assert_equal('d', argv(3, -1))
+  call assert_equal(['a', 'b', 'c', 'd'], argv(-1, -1))
+  tabonly | only | enew!
+  " Negative test cases
+  call assert_equal(-1, argc(100))
+  call assert_equal('', argv(1, 100))
+  call assert_equal([], argv(-1, 100))
+  call assert_equal('', argv(10, -1))
+endfunc
+
+" Test for the :argedit command
+func Test_argedit()
+  call Reset_arglist()
+  argedit a
+  call assert_equal(['a'], argv())
+  call assert_equal('a', expand('%:t'))
+  argedit b
+  call assert_equal(['a', 'b'], argv())
+  call assert_equal('b', expand('%:t'))
+  argedit a
+  call assert_equal(['a', 'b', 'a'], argv())
+  call assert_equal('a', expand('%:t'))
+  " When file name case is ignored, an existing buffer with only case
+  " difference is re-used.
+  argedit C D
+  call assert_equal('C', expand('%:t'))
+  call assert_equal(['a', 'b', 'a', 'C', 'D'], argv())
+  argedit c
+  if has('fname_case')
+    call assert_equal(['a', 'b', 'a', 'C', 'c', 'D'], argv())
+  else
+    call assert_equal(['a', 'b', 'a', 'C', 'C', 'D'], argv())
+  endif
+  0argedit x
+  if has('fname_case')
+    call assert_equal(['x', 'a', 'b', 'a', 'C', 'c', 'D'], argv())
+  else
+    call assert_equal(['x', 'a', 'b', 'a', 'C', 'C', 'D'], argv())
+  endif
+  enew! | set modified
+  call assert_fails('argedit y', 'E37:')
+  argedit! y
+  if has('fname_case')
+    call assert_equal(['x', 'y', 'y', 'a', 'b', 'a', 'C', 'c', 'D'], argv())
+  else
+    call assert_equal(['x', 'y', 'y', 'a', 'b', 'a', 'C', 'C', 'D'], argv())
+  endif
+  %argd
+  bwipe! C
+  bwipe! D
+
+  " :argedit reuses the current buffer if it is empty
+  %argd
+  " make sure to use a new buffer number for x when it is loaded
+  bw! x
+  new
+  let a = bufnr('')
+  argedit x
+  call assert_equal(a, bufnr(''))
+  call assert_equal('x', bufname(''))
+  %argd
+  bw! x
+endfunc
+
+" Test for the :argdelete command
+func Test_argdelete()
+  call Reset_arglist()
+  args aa a aaa b bb
+  argdelete a*
+  call assert_equal(['b', 'bb'], argv())
+  call assert_equal('aa', expand('%:t'))
+  last
+  argdelete %
+  call assert_equal(['b'], argv())
+  call assert_fails('argdelete', 'E471:')
+  call assert_fails('1,100argdelete', 'E16:')
+  %argd
+endfunc
+
+func Test_argdelete_completion()
+  args foo bar
+
+  call feedkeys(":argdelete \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"argdelete bar foo', @:)
+
+  call feedkeys(":argdelete x \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"argdelete x bar foo', @:)
+
+  %argd
+endfunc
+
+" Tests for the :next, :prev, :first, :last, :rewind commands
+func Test_argpos()
+  call Reset_arglist()
+  args a b c d
+  last
+  call assert_equal(3, argidx())
+  call assert_fails('next', 'E165:')
+  prev
+  call assert_equal(2, argidx())
+  Next
+  call assert_equal(1, argidx())
+  first
+  call assert_equal(0, argidx())
+  call assert_fails('prev', 'E164:')
+  3next
+  call assert_equal(3, argidx())
+  rewind
+  call assert_equal(0, argidx())
+  %argd
+endfunc
+
+" Test for autocommand that redefines the argument list, when doing ":all".
+func Test_arglist_autocmd()
+  autocmd BufReadPost Xxx2 next Xxx2 Xxx1
+  call writefile(['test file Xxx1'], 'Xxx1')
+  call writefile(['test file Xxx2'], 'Xxx2')
+  call writefile(['test file Xxx3'], 'Xxx3')
+
+  new
+  " redefine arglist; go to Xxx1
+  next! Xxx1 Xxx2 Xxx3
+  " open window for all args
+  all
+  call assert_equal('test file Xxx1', getline(1))
+  wincmd w
+  wincmd w
+  call assert_equal('test file Xxx1', getline(1))
+  " should now be in Xxx2
+  rewind
+  call assert_equal('test file Xxx2', getline(1))
+
+  autocmd! BufReadPost Xxx2
+  enew! | only
+  call delete('Xxx1')
+  call delete('Xxx2')
+  call delete('Xxx3')
+  argdelete Xxx*
+  bwipe! Xxx1 Xxx2 Xxx3
+endfunc
+
+func Test_arg_all_expand()
+  call writefile(['test file Xxx1'], 'Xx x')
+  next notexist Xx\ x runtest.vim
+  call assert_equal('notexist Xx\ x runtest.vim', expand('##'))
+  call delete('Xx x')
+endfunc
+
+func Test_large_arg()
+  " Argument longer or equal to the number of columns used to cause
+  " access to invalid memory.
+  exe 'argadd ' .repeat('x', &columns)
+  args
+endfunc