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+" Tests for the Tcl interface.
+
+source check.vim
+CheckFeature tcl
+
+" Helper function as there is no builtin tcleval() function similar
+" to perleval, luaeval(), pyeval(), etc.
+func TclEval(tcl_expr)
+ let s = split(execute('tcl ' . a:tcl_expr), "\n")
+ return (len(s) == 0) ? '' : s[-1]
+endfunc
+
+func Test_tcldo()
+ " Check deleting lines does not trigger ml_get error.
+ new
+ call setline(1, ['one', 'two', 'three'])
+ tcldo ::vim::command %d_
+ bwipe!
+
+ " Check that switching to another buffer does not trigger ml_get error.
+ new
+ let wincount = winnr('$')
+ call setline(1, ['one', 'two', 'three'])
+ tcldo ::vim::command new
+ call assert_equal(wincount + 1, winnr('$'))
+
+ " Try to run a command in a 'nomodifiable' buffer
+ call setline(1, ['one', 'two', 'three'])
+ set nomodifiable
+ call assert_fails('tcldo set line "abc"',
+ \ ['E21:', 'cannot save undo information'])
+ set modifiable
+
+ %bwipe!
+endfunc
+
+" Test :tcldo with a range
+func Test_tcldo_range()
+ new
+ call setline(1, ['line1', 'line2', 'line3', 'line4'])
+ 2,3tcldo set line [string toupper $line]
+ call assert_equal(['line1', 'LINE2', 'LINE3', 'line4'], getline(1, '$'))
+ bwipe!
+endfunc
+
+" Test ::vim::beep
+func Test_vim_beep()
+ call assert_beeps('tcl ::vim::beep')
+ call assert_fails('tcl ::vim::beep x', 'wrong # args: should be "::vim::beep"')
+endfunc
+
+" Test ::vim::buffer
+func Test_vim_buffer()
+ " Test ::vim::buffer {nr}
+ e Xfoo1
+ call setline(1, ['foobar'])
+ let bn1 = bufnr('%')
+ let b1 = TclEval('::vim::buffer ' . bn1)
+ call assert_equal(b1, TclEval('set ::vim::current(buffer)'))
+
+ new Xfoo2
+ call setline(1, ['barfoo'])
+ let bn2 = bufnr('%')
+ let b2 = TclEval('::vim::buffer ' . bn2)
+ call assert_equal(b2, TclEval('set ::vim::current(buffer)'))
+
+ call assert_match('Xfoo1$', TclEval(b1 . ' name'))
+ call assert_match('Xfoo2$', TclEval(b2 . ' name'))
+
+ " Test ::vim::buffer exists {nr}
+ call assert_match('^[1-9]\d*$', TclEval('::vim::buffer exists ' . bn1))
+ call assert_match('^[1-9]\d*$', TclEval('::vim::buffer exists ' . bn2))
+ call assert_equal('0', TclEval('::vim::buffer exists 54321'))
+
+ " Test ::vim::buffer list
+ call assert_equal('2', TclEval('llength [::vim::buffer list]'))
+ call assert_equal(b1.' '.b2, TclEval('::vim::buffer list'))
+ tcl << trim EOF
+ proc eachbuf { cmd } {
+ foreach b [::vim::buffer list] { $b command $cmd }
+ }
+ EOF
+ tcl eachbuf %s/foo/FOO/g
+ b! Xfoo1
+ call assert_equal(['FOObar'], getline(1, '$'))
+ b! Xfoo2
+ call assert_equal(['barFOO'], getline(1, '$'))
+
+ call assert_fails('tcl ::vim::buffer',
+ \ 'wrong # args: should be "::vim::buffer option"')
+ call assert_fails('tcl ::vim::buffer ' . bn1 . ' x',
+ \ 'wrong # args: should be "::vim::buffer bufNumber"')
+ call assert_fails('tcl ::vim::buffer 4321', 'invalid buffer number')
+ call assert_fails('tcl ::vim::buffer x',
+ \ 'bad option "x": must be exists or list')
+ call assert_fails('tcl ::vim::buffer exists',
+ \ 'wrong # args: should be "::vim::buffer exists bufNumber"')
+ call assert_fails('tcl ::vim::buffer exists x',
+ \ 'expected integer but got "x"')
+ call assert_fails('tcl ::vim::buffer list x',
+ \ 'wrong # args: should be "::vim::buffer list "')
+ " Invalid buffer command
+ call assert_fails('tcl $::vim::current(buffer) abcd',
+ \ 'bad option "abcd":')
+
+ tcl rename eachbuf ""
+ %bwipe!
+endfunc
+
+" Test ::vim::option
+func Test_vim_option()
+ set cc=3,5
+
+ " Test getting option 'cc'
+ call assert_equal('3,5', TclEval('::vim::option cc'))
+ call assert_equal('3,5', &cc)
+
+ " Test setting option 'cc' (it returns the old option value)
+ call assert_equal('3,5', TclEval('::vim::option cc +4'))
+ call assert_equal('+4', &cc)
+ call assert_equal('+4', TclEval('::vim::option cc'))
+
+ " Test boolean option with 'toggle', 'on' and 'off' keywords.
+ call assert_equal('0', TclEval('::vim::option nu toggle'))
+ call assert_equal(1, &nu)
+ call assert_equal('1', TclEval('::vim::option nu toggle'))
+ call assert_equal(0, &nu)
+ call assert_equal('0', TclEval('::vim::option nu on'))
+ call assert_equal(1, &nu)
+ call assert_equal('1', TclEval('::vim::option nu off'))
+ call assert_equal(0, &nu)
+
+ call assert_fails('tcl ::vim::option nu x', 'expected integer but got "x"')
+ call assert_fails('tcl ::vim::option xxx', 'unknown vimOption')
+ call assert_fails('tcl ::vim::option',
+ \ 'wrong # args: should be "::vim::option vimOption ?value?"')
+
+ set cc&
+endfunc
+
+" Test ::vim::expr
+func Test_vim_expr()
+ call assert_equal(string(char2nr('X')),
+ \ TclEval('::vim::expr char2nr("X")'))
+
+ call assert_fails('tcl ::vim::expr x y',
+ \ 'wrong # args: should be "::vim::expr vimExpr"')
+ call assert_fails('tcl ::vim::expr 1-', 'E15: Invalid expression: "1-"')
+endfunc
+
+" Test ::vim::command
+func Test_vim_command()
+ call assert_equal('hello world',
+ \ TclEval('::vim::command {echo "hello world"}'))
+
+ " Check that if ::vim::command created a new Tcl interpreter, it is removed.
+ tcl set foo 123
+ call assert_equal('321', TclEval('::vim::command "tcl set foo 321"'))
+ call assert_equal('123', TclEval('set foo'))
+
+ " With the -quiet option, the error should silently be ignored.
+ call assert_equal('', TclEval('::vim::command -quiet xyz'))
+
+ call assert_fails('tcl ::vim::command',
+ \ 'wrong # args: should be "::vim::command ?-quiet? exCommand"')
+ call assert_fails('tcl ::vim::command -foo xyz', 'unknown flag: -foo')
+ call assert_fails('tcl ::vim::command xyz',
+ \ 'E492: Not an editor command: xyz')
+
+ " With the -quiet option, the error should silently be ignored.
+ call assert_equal('', TclEval('::vim::command -quiet xyz'))
+
+ tcl unset foo
+endfunc
+
+" Test ::vim::window list
+func Test_vim_window_list()
+ e Xfoo1
+ new Xfoo2
+ let w2 = TclEval('set ::vim::current(window)')
+ wincmd j
+ let w1 = TclEval('set ::vim::current(window)')
+
+ call assert_equal('2', TclEval('llength [::vim::window list]'))
+ call assert_equal(w2.' '.w1, TclEval('::vim::window list'))
+
+ call assert_fails('tcl ::vim::window x', 'unknown option')
+ call assert_fails('tcl ::vim::window list x',
+ \ 'wrong # args: should be "::vim::window option"')
+ call assert_fails('tcl $::vim::current(window) abcd',
+ \ 'bad option "abcd":')
+
+ %bwipe
+endfunc
+
+" Test output messages
+func Test_output()
+ call assert_fails('tcl puts vimerr "error #1"', 'error #1')
+ call assert_fails('tcl puts stderr "error #2"', 'error #2')
+ tcl puts vimout "message #1"
+ tcl puts stdout "message #2"
+ tcl puts "message #3"
+ let messages = split(execute('message'), "\n")
+ call assert_equal('message #3', messages[-1])
+ call assert_equal('message #2', messages[-2])
+ call assert_equal('message #1', messages[-3])
+
+ call assert_fails('tcl puts',
+ \ 'wrong # args: should be "puts ?-nonewline? ?channelId? string"')
+endfunc
+
+" Test $win height (get and set window height)
+func Test_window_height()
+ new
+
+ " Test setting window height
+ tcl $::vim::current(window) height 2
+ call assert_equal(2, winheight(0))
+
+ " Test getting window height
+ call assert_equal('2', TclEval('$::vim::current(window) height'))
+
+ call assert_fails('tcl $::vim::current(window) height 2 2', 'wrong # args:')
+ call assert_fails('tcl $::vim::current(window) height x',
+ \ 'expected integer but got "x"')
+ bwipe
+endfunc
+
+" Test $win cursor (get and set cursor)
+func Test_window_cursor()
+ new
+ call setline(1, ['line1', 'line2', 'line3', 'line5'])
+ tcl set win $::vim::current(window)
+
+ tcl $win cursor 2 4
+ call assert_equal([0, 2, 4, 0], getpos('.'))
+ call assert_equal('row 2 column 4', TclEval('$win cursor'))
+
+ " When setting ::vim::lbase to 0, line/col are counted from 0
+ " instead of 1.
+ tcl set ::vim::lbase 0
+ call assert_equal([0, 2, 4, 0], getpos('.'))
+ call assert_equal('row 1 column 3', TclEval('$win cursor'))
+ tcl $win cursor 2 4
+ call assert_equal([0, 3, 5, 0], getpos('.'))
+ call assert_equal('row 2 column 4', TclEval('$win cursor'))
+ tcl set ::vim::lbase 1
+ call assert_equal('row 3 column 5', TclEval('$win cursor'))
+ call assert_equal([0, 3, 5, 0], getpos('.'))
+
+ " test $win cursor {$var}
+ call cursor(2, 3)
+ tcl array set here [$win cursor]
+ call assert_equal([0, 2, 3, 0], getpos('.'))
+ call cursor(3, 1)
+ call assert_equal([0, 3, 1, 0], getpos('.'))
+ tcl $win cursor here
+ call assert_equal([0, 2, 3, 0], getpos('.'))
+ call cursor(3, 1)
+ call assert_equal([0, 3, 1, 0], getpos('.'))
+ tcl $win cursor $here(row) $here(column)
+ call assert_equal([0, 2, 3, 0], getpos('.'))
+
+ " Invalid values for the row and column
+ tcl array set pos {1 2}
+ call assert_fails('tcl $win cursor pos', "can't read \"pos(row)\":")
+ tcl array set pos {row '' abc 2}
+ call assert_fails('tcl $win cursor pos', "expected integer but got \"''\"")
+ tcl array set pos {row 1 abc 2}
+ call assert_fails('tcl $win cursor pos', "can't read \"pos(column)\":")
+ tcl array set pos {row 1 column ''}
+ call assert_fails('tcl $win cursor pos', "expected integer but got \"''\"")
+
+ call assert_fails("tcl $win cursor '' 2", "expected integer but got \"''\"")
+ call assert_fails("tcl $win cursor 1 ''", "expected integer but got \"''\"")
+
+ call assert_fails('tcl $win cursor 1 1 1', 'wrong # args:')
+
+ tcl unset win here
+ bwipe!
+endfunc
+
+" Test $win buffer
+func Test_window_buffer()
+ new Xfoo1
+ new Xfoo2
+ tcl set b2 $::vim::current(buffer)
+ tcl set w2 $::vim::current(window)
+ wincmd j
+ tcl set b1 $::vim::current(buffer)
+ tcl set w1 $::vim::current(window)
+
+ call assert_equal(TclEval('set b1'), TclEval('$w1 buffer'))
+ call assert_equal(TclEval('set b2'), TclEval('$w2 buffer'))
+ call assert_equal(string(bufnr('Xfoo1')), TclEval('[$w1 buffer] number'))
+ call assert_equal(string(bufnr('Xfoo2')), TclEval('[$w2 buffer] number'))
+
+ call assert_fails('tcl $w1 buffer x', 'wrong # args:')
+
+ tcl unset b1 b2 w1 w2
+ %bwipe
+endfunc
+
+" Test $win command
+func Test_window_command()
+ new Xfoo1
+ call setline(1, ['FOObar'])
+ new Xfoo2
+ call setline(1, ['fooBAR'])
+ tcl set w2 $::vim::current(window)
+ wincmd j
+ tcl set w1 $::vim::current(window)
+
+ tcl $w1 command "norm VU"
+ tcl $w2 command "norm Vu"
+ b! Xfoo1
+ call assert_equal('FOOBAR', getline(1))
+ b! Xfoo2
+ call assert_equal('foobar', getline(1))
+
+ call assert_fails('tcl $w1 command xyz',
+ \ 'E492: Not an editor command: xyz')
+ tcl $w1 command -quiet xyz
+
+ tcl unset w1 w2
+ %bwipe!
+endfunc
+
+" Test $win expr
+func Test_window_expr()
+ new Xfoo1
+ new Xfoo2
+ tcl set w2 $::vim::current(window)
+ wincmd j
+ tcl set w1 $::vim::current(window)
+
+ call assert_equal('Xfoo1', TclEval('$w1 expr bufname("%")'))
+ call assert_equal('Xfoo2', TclEval('$w2 expr bufname("%")'))
+
+ call assert_fails('tcl $w1 expr', 'wrong # args:')
+ call assert_fails('tcl $w1 expr x x', 'wrong # args:')
+
+ tcl unset w1 w2
+ %bwipe
+endfunc
+
+" Test $win option
+func Test_window_option()
+ new Xfoo1
+ new Xfoo2
+ tcl set w2 $::vim::current(window)
+ wincmd j
+ tcl set w1 $::vim::current(window)
+
+ " Test setting window option
+ tcl $w1 option syntax java
+ tcl $w2 option syntax rust
+
+ call assert_equal('java', &syntax)
+ wincmd k
+ call assert_equal('rust', &syntax)
+
+ " Test getting window option
+ call assert_equal('java', TclEval('$w1 option syntax'))
+ call assert_equal('rust', TclEval('$w2 option syntax'))
+
+ tcl unset w1 w2
+ %bwipe
+endfunc
+
+" Test $win delcmd {cmd}
+func Test_window_delcmd()
+ new
+ tcl $::vim::current(window) delcmd [list set msg "window deleted"]
+ call assert_fails('tcl set msg', "can't read \"msg\": no such variable")
+ q
+ call assert_equal('window deleted', TclEval('set msg'))
+
+ call assert_fails('tcl $::vim::current(window) delcmd', 'wrong # args')
+ call assert_fails('tcl $::vim::current(window) delcmd x x', 'wrong # args')
+
+ tcl unset msg
+ bwipe
+endfunc
+
+" Test $buf name
+func Test_buffer_name()
+ " Test buffer name with a named buffer
+ new Xfoo
+ call assert_equal(expand('%:p'), TclEval('$::vim::current(buffer) name'))
+ bwipe
+
+ " Test buffer name with an unnamed buffer
+ new
+ call assert_equal('', TclEval('$::vim::current(buffer) name'))
+
+ call assert_fails('tcl $::vim::current(buffer) name x', 'wrong # args:')
+
+ bwipe
+endfunc
+
+" Test $buf number
+func Test_buffer_number()
+ new
+ call assert_equal(string(bufnr('%')), TclEval('$::vim::current(buffer) number'))
+ new
+ call assert_equal(string(bufnr('%')), TclEval('$::vim::current(buffer) number'))
+
+ call assert_fails('tcl $::vim::current(buffer) number x', 'wrong # args:')
+
+ %bwipe
+endfunc
+
+" Test $buf count and $buf last
+func Test_buffer_count()
+ new
+ call setline(1, ['one', 'two', 'three'])
+ call assert_equal('3', TclEval('$::vim::current(buffer) count'))
+ call assert_equal('3', TclEval('$::vim::current(buffer) last'))
+
+ " Check that $buf count and $buf last differ when ::vim::lbase is 0.
+ tcl set ::vim::lbase 0
+ call assert_equal('3', TclEval('$::vim::current(buffer) count'))
+ call assert_equal('2', TclEval('$::vim::current(buffer) last'))
+
+ call assert_fails('tcl $::vim::current(buffer) count x', 'wrong # args:')
+ call assert_fails('tcl $::vim::current(buffer) last x', 'wrong # args:')
+
+ tcl set ::vim::lbase 1
+ bwipe!
+endfunc
+
+" Test $buf delete (delete line(s) in buffer)
+func Test_buffer_delete()
+ new
+ call setline(1, ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight'])
+ tcl $::vim::current(buffer) delete 4 6
+ tcl $::vim::current(buffer) delete 2
+ call assert_equal(['one', 'three', 'seven', 'eight'], getline(1, '$'))
+
+ call assert_fails('tcl $::vim::current(buffer) delete -1', 'line number out of range')
+ call assert_fails('tcl $::vim::current(buffer) delete 0', 'line number out of range')
+ call assert_fails('tcl $::vim::current(buffer) delete 5', 'line number out of range')
+
+ call assert_fails('tcl $::vim::current(buffer) delete', 'wrong # args:')
+ call assert_fails('tcl $::vim::current(buffer) delete 1 2 3', 'wrong # args:')
+ call assert_fails('tcl $::vim::current(buffer) delete 1 abc',
+ \ 'expected integer but got "abc"')
+
+ " Try to delete lines from an 'nomodifiable' buffer
+ set nomodifiable
+ call assert_fails('tcl $::vim::current(buffer) delete 2 1',
+ \ ['E21:', 'cannot save undo information'])
+ set modifiable
+
+ bwipe!
+endfunc
+
+" Test $buf insert (insert line(s) in buffer)
+func Test_buffer_insert()
+ new
+ tcl set buf $::vim::current(buffer)
+ tcl $buf insert 1 "first"
+ tcl $buf insert 2 "second"
+ tcl $buf insert 2 "third"
+ tcl $buf insert 4 "fourth"
+ tcl $buf insert 1 "fifth"
+ call assert_equal(['fifth', 'first', 'third', 'second', 'fourth', ''], getline(1, '$'))
+
+ call assert_fails('tcl $buf insert -1 "x"', 'line number out of range')
+ call assert_fails('tcl $buf insert 0 "x"', 'line number out of range')
+ call assert_fails('tcl $buf insert 7 "x"', 'line number out of range')
+
+ tcl unset buf
+ bwipe!
+endfunc
+
+" Test $buf append (append line in buffer)
+func Test_buffer_append()
+ new
+ tcl set buf $::vim::current(buffer)
+ tcl $buf append 1 "first"
+ tcl $buf append 2 "second"
+ tcl $buf append 2 "third"
+ tcl $buf append 4 "fourth"
+ tcl $buf append 1 "fifth"
+ call assert_equal(['', 'fifth', 'first', 'third', 'second', 'fourth'], getline(1, '$'))
+
+ call assert_fails('tcl $buf append -1 "x"', 'line number out of range')
+ call assert_fails('tcl $buf append 0 "x"', 'line number out of range')
+ call assert_fails('tcl $buf append 7 "x"', 'line number out of range')
+
+ call assert_fails('tcl $buf append', 'wrong # args:')
+ call assert_fails('tcl $buf append 1 x x', 'wrong # args:')
+
+ " Try to append lines to a 'nomodifiable' buffer
+ set nomodifiable
+ call assert_fails('tcl $buf append 1 "first"',
+ \ ['E21:', 'cannot save undo information'])
+ set modifiable
+
+ tcl unset buf
+ bwipe!
+endfunc
+
+" Test $buf set (replacing line(s) in a buffer)
+func Test_buffer_set()
+ new
+ call setline(1, ['line1', 'line2', 'line3', 'line4', 'line5'])
+ tcl $::vim::current(buffer) set 2 a
+ call assert_equal(['line1', 'a', 'line3', 'line4', 'line5'], getline(1, '$'))
+
+ " Test with fewer replacing lines than replaced lines: lines get deleted.
+ tcl $::vim::current(buffer) set 3 4 b
+ call assert_equal(['line1', 'a', 'b', 'line5'], getline(1, '$'))
+ tcl $::vim::current(buffer) set 4 3 c
+ call assert_equal(['line1', 'a', 'c'], getline(1, '$'))
+
+ " Test with more replacing lines than replaced lines: lines get added.
+ tcl $::vim::current(buffer) set 2 3 {x y z}
+ call assert_equal(['line1', 'x', 'y', 'z'], getline(1, '$'))
+ tcl $::vim::current(buffer) set 3 2 {X Y Z}
+ call assert_equal(['line1', 'X', 'Y', 'Z', 'z'], getline(1, '$'))
+
+ call assert_fails('tcl $::vim::current(buffer) set 0 "x"', 'line number out of range')
+ call assert_fails('tcl $::vim::current(buffer) set 6 "x"', 'line number out of range')
+
+ call assert_fails('tcl $::vim::current(buffer) set', 'wrong # args:')
+ call assert_fails('tcl $::vim::current(buffer) set 1 2 {[list "a" "b"]}',
+ \ 'list element in quotes followed by "]" instead of space')
+
+ " Try to modify a 'nomodifiable' buffer
+ set nomodifiable
+ call assert_fails('tcl $::vim::current(buffer) set 1 "x"',
+ \ ['E21:', 'cannot save undo information'])
+ call assert_fails('tcl $::vim::current(buffer) set 1 {a b}',
+ \ ['E21:', 'cannot save undo information'])
+ call assert_fails('tcl $::vim::current(buffer) set 1 2 {a b}',
+ \ ['E21:', 'cannot save undo information'])
+ set modifiable
+ bwipe!
+endfunc
+
+" Test $buf get (get line(s) from buffer)
+func Test_buffer_get()
+ new
+ call setline(1, ['first line', 'two', 'three', 'last line'])
+ tcl set buf $::vim::current(buffer)
+
+ call assert_equal('first line', TclEval('$buf get top'))
+ call assert_equal('first line', TclEval('$buf get begin'))
+ call assert_equal('last line', TclEval('$buf get bottom'))
+ call assert_equal('last line', TclEval('$buf get last'))
+
+ call assert_equal('first line', TclEval('$buf get 1'))
+ call assert_equal('two', TclEval('$buf get 2'))
+ call assert_equal('three', TclEval('$buf get 3'))
+ call assert_equal('last line', TclEval('$buf get 4'))
+
+ call assert_equal('two three', TclEval('$buf get 2 3'))
+ call assert_equal('two three', TclEval('$buf get 3 2'))
+ call assert_equal('three {last line}', TclEval('$buf get 3 last'))
+
+ call assert_fails('tcl $buf get -1', 'line number out of range')
+ call assert_fails('tcl $buf get 0', 'line number out of range')
+ call assert_fails('tcl $buf get 5', 'line number out of range')
+ call assert_fails('tcl $buf get 0 1', 'line number out of range')
+
+ call assert_fails('tcl $::vim::current(buffer) get x', 'expected integer but got "x"')
+ call assert_fails('tcl $::vim::current(buffer) get 1 x', 'expected integer but got "x"')
+ call assert_fails('tcl $::vim::current(buffer) get 1 1 1', 'wrong # args:')
+
+ tcl unset buf
+ bwipe!
+endfunc
+
+" Test $buf mark (get position of a mark)
+func Test_buffer_mark()
+ new
+ call setline(1, ['one', 'two', 'three', 'four'])
+ /three
+ norm! ma
+ norm! jllmB
+
+ call assert_equal('row 3 column 1', TclEval('$::vim::current(buffer) mark a'))
+ call assert_equal('row 4 column 3', TclEval('$::vim::current(buffer) mark B'))
+
+ call assert_fails('tcl $::vim::current(buffer) mark /', 'invalid mark name')
+ call assert_fails('tcl $::vim::current(buffer) mark z', 'mark not set')
+ call assert_fails('tcl $::vim::current(buffer) mark', 'wrong # args:')
+
+ delmarks aB
+ bwipe!
+endfunc
+
+" Test $buf option (test and set option in context of a buffer)
+func Test_buffer_option()
+ new Xfoo1
+ tcl set b1 $::vim::current(buffer)
+ new Xfoo2
+ tcl set b2 $::vim::current(buffer)
+
+ tcl $b1 option foldcolumn 2
+ tcl $b2 option foldcolumn 3
+
+ call assert_equal(3, &foldcolumn)
+ wincmd j
+ call assert_equal(2, &foldcolumn)
+
+ call assert_equal('2', TclEval('$b1 option foldcolumn'))
+ call assert_equal('3', TclEval('$b2 option foldcolumn'))
+
+ call assert_fails('tcl $::vim::current(buffer) option', 'wrong # args:')
+
+ set foldcolumn&
+ tcl unset b1 b2
+ %bwipe
+endfunc
+
+" Test $buf expr (evaluate vim expression)
+func Test_buffer_expr()
+ new Xfoo1
+ norm ifoo1
+ tcl set b1 $::vim::current(buffer)
+
+ new Xfoo2
+ norm ifoo2
+ tcl set b2 $::vim::current(buffer)
+
+ call assert_equal('foo1', TclEval('$b1 expr getline(1)'))
+ call assert_equal('foo2', TclEval('$b2 expr getline(1)'))
+
+ call assert_fails('tcl expr', 'wrong # args:')
+
+ tcl unset b1 b2
+ %bwipe!
+endfunc
+
+" Test $buf delcmd {cmd} (command executed when buffer is deleted)
+func Test_buffer_delcmd()
+ new Xfoo
+ split
+ tcl $::vim::current(buffer) delcmd [list set msg "buffer deleted"]
+ q
+ call assert_fails('tcl set msg', "can't read \"msg\": no such variable")
+ q
+ call assert_equal('buffer deleted', TclEval('set msg'))
+
+ call assert_fails('tcl $::vim::current(buffer) delcmd', 'wrong # args')
+ call assert_fails('tcl $::vim::current(buffer) delcmd x x', 'wrong # args')
+
+ tcl unset msg
+ %bwipe
+endfunc
+
+func Test_vim_current()
+ " Only test errors as ::vim::current(...) is already indirectly
+ " tested by many other tests.
+ call assert_fails('tcl $::vim::current(buffer)', 'wrong # args:')
+ call assert_fails('tcl $::vim::current(window)', 'wrong # args:')
+endfunc
+
+" Test $buf windows (windows list of a buffer)
+func Test_buffer_windows()
+ new Xfoo
+ split
+ new Xbar
+ split
+ vsplit
+
+ tcl set bar_wl [$::vim::current(buffer) windows]
+ 2wincmd j
+ tcl set foo_wl [$::vim::current(buffer) windows]
+
+ call assert_equal('2', TclEval('llength $foo_wl'))
+ call assert_equal('3', TclEval('llength $bar_wl'))
+
+ call assert_fails('tcl $::vim::current(buffer) windows x', 'wrong # args:')
+
+ tcl unset bar_wl foo_wl
+ %bwipe
+endfunc
+
+" Test :tclfile
+func Test_tclfile()
+ call delete('Xtcl_file')
+ call writefile(['set pi [format "%.2f" [expr acos(-1.0)]]'], 'Xtcl_file', 'D')
+ call setfperm('Xtcl_file', 'r-xr-xr-x')
+
+ tclfile Xtcl_file
+ call assert_equal('3.14', TclEval('set pi'))
+
+ tcl unset pi
+endfunc
+
+" Test :tclfile with syntax error in tcl script
+func Test_tclfile_error()
+ call delete('Xtcl_file')
+ call writefile(['xyz'], 'Xtcl_file', 'D')
+ call setfperm('Xtcl_file', 'r-xr-xr-x')
+
+ call assert_fails('tclfile Xtcl_file', 'invalid command name "xyz"')
+endfunc
+
+" Test exiting current Tcl interpreter and re-creating one.
+func Test_tcl_exit()
+ call assert_fails('tcl exit 1 1', 'wrong # args: should be "exit ?returnCode?"')
+ call assert_fails('tcl exit x', 'expected integer but got "x"')
+
+ tcl set foo "foo"
+ call assert_fails('tcl exit 3', 'E572: Exit code 3')
+
+ " The Tcl interpreter should have been deleted and a new one
+ " is re-created with the next :tcl command.
+ call assert_fails('tcl set foo', "can't read \"foo\": no such variable")
+ tcl set bar "bar"
+ call assert_equal('bar', TclEval('set bar'))
+
+ tcl unset bar
+endfunc
+
+func Test_set_cursor()
+ " Check that setting the cursor position works.
+ new
+ call setline(1, ['first line', 'second line'])
+ normal gg
+ tcldo $::vim::current(window) cursor 1 5
+ call assert_equal([1, 5], [line('.'), col('.')])
+
+ " Check that movement after setting cursor position keeps current column.
+ normal j
+ call assert_equal([2, 5], [line('.'), col('.')])
+endfunc
+
+" Test for different syntax for ruby heredoc
+func Test_tcl_heredoc()
+ tcl << END
+::vim::command {let s = "A"}
+END
+ tcl <<
+::vim::command {let s ..= "B"}
+.
+ tcl << trim END
+ ::vim::command {let s ..= "C"}
+ END
+ tcl << trim
+ ::vim::command {let s ..= "D"}
+ .
+ call assert_equal('ABCD', s)
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab