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neovim/test/old/testdir/test_vartabs.vim
dundargoc af23d17388
test: move oldtests to test directory (#22536) 
The new oldtest directory is in test/old/testdir. The reason for this is
that many tests have hardcoded the parent directory name to be
'testdir'.
2023-03-07 11:13:04 +08:00

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" Test for variable tabstops
source check.vim
CheckFeature vartabs
source view_util.vim
func s:compare_lines(expect, actual)
call assert_equal(join(a:expect, "\n"), join(a:actual, "\n"))
endfunc
func Test_vartabs()
new
%d
" Test normal operation of tabstops ...
set ts=4
call setline(1, join(split('aaaaa', '\zs'), "\t"))
retab 8
let expect = "a a\<tab>a a\<tab>a"
call assert_equal(expect, getline(1))
" ... and softtabstops
set ts=8 sts=6
exe "norm! Sb\<tab>b\<tab>b\<tab>b\<tab>b"
let expect = "b b\<tab> b\<tab> b\<tab>b"
call assert_equal(expect, getline(1))
" Test variable tabstops.
set sts=0 vts=4,8,4,8
exe "norm! Sc\<tab>c\<tab>c\<tab>c\<tab>c\<tab>c"
retab 8
let expect = "c c\<tab> c\<tab>c\<tab>c\<tab>c"
call assert_equal(expect, getline(1))
set et vts=4,8,4,8
exe "norm! Sd\<tab>d\<tab>d\<tab>d\<tab>d\<tab>d"
let expect = "d d d d d d"
call assert_equal(expect, getline(1))
" Changing ts should have no effect if vts is in use.
call cursor(1, 1)
set ts=6
exe "norm! Se\<tab>e\<tab>e\<tab>e\<tab>e\<tab>e"
let expect = "e e e e e e"
call assert_equal(expect, getline(1))
" Clearing vts should revert to using ts.
set vts=
exe "norm! Sf\<tab>f\<tab>f\<tab>f\<tab>f\<tab>f"
let expect = "f f f f f f"
call assert_equal(expect, getline(1))
" Test variable softtabstops.
set noet ts=8 vsts=12,2,6
exe "norm! Sg\<tab>g\<tab>g\<tab>g\<tab>g\<tab>g"
let expect = "g\<tab> g g\<tab> g\<tab> g\<tab>g"
call assert_equal(expect, getline(1))
" Variable tabstops and softtabstops combined.
set vsts=6,12,8 vts=4,6,8
exe "norm! Sh\<tab>h\<tab>h\<tab>h\<tab>h"
let expect = "h\<tab> h\<tab>\<tab>h\<tab>h\<tab>h"
call assert_equal(expect, getline(1))
" Retab with a single value, not using vts.
set ts=8 sts=0 vts= vsts=
exe "norm! Si\<tab>i\<tab>i\<tab>i\<tab>i"
retab 4
let expect = "i\<tab>\<tab>i\<tab>\<tab>i\<tab>\<tab>i\<tab>\<tab>i"
call assert_equal(expect, getline(1))
" Retab with a single value, using vts.
set ts=8 sts=0 vts=6 vsts=
exe "norm! Sj\<tab>j\<tab>j\<tab>j\<tab>j"
retab 4
let expect = "j\<tab> j\<tab>\<tab>j\<tab> j\<tab>\<tab>j"
call assert_equal(expect, getline(1))
" Retab with multiple values, not using vts.
set ts=6 sts=0 vts= vsts=
exe "norm! Sk\<tab>k\<tab>k\<tab>k\<tab>k\<tab>k"
retab 4,8
let expect = "k\<tab> k\<tab>k k\<tab> k\<tab> k"
call assert_equal(expect, getline(1))
" Retab with multiple values, using vts.
set ts=8 sts=0 vts=6 vsts=
exe "norm! Sl\<tab>l\<tab>l\<tab>l\<tab>l\<tab>l"
retab 4,8
let expect = "l\<tab> l\<tab>l l\<tab> l\<tab> l"
call assert_equal(expect, getline(1))
" Test for 'retab' with vts
set ts=8 sts=0 vts=5,3,6,2 vsts=
exe "norm! S l"
.retab!
call assert_equal("\t\t\t\tl", getline(1))
" Test for 'retab' with same values as vts
set ts=8 sts=0 vts=5,3,6,2 vsts=
exe "norm! S l"
.retab! 5,3,6,2
call assert_equal("\t\t\t\tl", getline(1))
" Check that global and local values are set.
set ts=4 vts=6 sts=8 vsts=10
call assert_equal(&ts, 4)
call assert_equal(&vts, '6')
call assert_equal(&sts, 8)
call assert_equal(&vsts, '10')
new
call assert_equal(&ts, 4)
call assert_equal(&vts, '6')
call assert_equal(&sts, 8)
call assert_equal(&vsts, '10')
bwipeout!
" Check that local values only are set.
setlocal ts=5 vts=7 sts=9 vsts=11
call assert_equal(&ts, 5)
call assert_equal(&vts, '7')
call assert_equal(&sts, 9)
call assert_equal(&vsts, '11')
new
call assert_equal(&ts, 4)
call assert_equal(&vts, '6')
call assert_equal(&sts, 8)
call assert_equal(&vsts, '10')
bwipeout!
" Check that global values only are set.
setglobal ts=6 vts=8 sts=10 vsts=12
call assert_equal(&ts, 5)
call assert_equal(&vts, '7')
call assert_equal(&sts, 9)
call assert_equal(&vsts, '11')
new
call assert_equal(&ts, 6)
call assert_equal(&vts, '8')
call assert_equal(&sts, 10)
call assert_equal(&vsts, '12')
bwipeout!
set ts& vts& sts& vsts& et&
bwipeout!
endfunc
func Test_retab_invalid_arg()
new
call setline(1, "\ttext")
retab 0
call assert_fails("retab -8", 'E487: Argument must be positive')
call assert_fails("retab 10000", 'E475:')
call assert_fails("retab 720575940379279360", 'E475:')
bwipe!
endfunc
func Test_vartabs_breakindent()
if !exists("+breakindent")
return
endif
new
%d
" Test normal operation of tabstops ...
set ts=4
call setline(1, join(split('aaaaa', '\zs'), "\t"))
retab 8
let expect = "a a\<tab>a a\<tab>a"
call assert_equal(expect, getline(1))
" ... and softtabstops
set ts=8 sts=6
exe "norm! Sb\<tab>b\<tab>b\<tab>b\<tab>b"
let expect = "b b\<tab> b\<tab> b\<tab>b"
call assert_equal(expect, getline(1))
" Test variable tabstops.
set sts=0 vts=4,8,4,8
exe "norm! Sc\<tab>c\<tab>c\<tab>c\<tab>c\<tab>c"
retab 8
let expect = "c c\<tab> c\<tab>c\<tab>c\<tab>c"
call assert_equal(expect, getline(1))
set et vts=4,8,4,8
exe "norm! Sd\<tab>d\<tab>d\<tab>d\<tab>d\<tab>d"
let expect = "d d d d d d"
call assert_equal(expect, getline(1))
" Changing ts should have no effect if vts is in use.
call cursor(1, 1)
set ts=6
exe "norm! Se\<tab>e\<tab>e\<tab>e\<tab>e\<tab>e"
let expect = "e e e e e e"
call assert_equal(expect, getline(1))
" Clearing vts should revert to using ts.
set vts=
exe "norm! Sf\<tab>f\<tab>f\<tab>f\<tab>f\<tab>f"
let expect = "f f f f f f"
call assert_equal(expect, getline(1))
" Test variable softtabstops.
set noet ts=8 vsts=12,2,6
exe "norm! Sg\<tab>g\<tab>g\<tab>g\<tab>g\<tab>g"
let expect = "g\<tab> g g\<tab> g\<tab> g\<tab>g"
call assert_equal(expect, getline(1))
" Variable tabstops and softtabstops combined.
set vsts=6,12,8 vts=4,6,8
exe "norm! Sh\<tab>h\<tab>h\<tab>h\<tab>h"
let expect = "h\<tab> h\<tab>\<tab>h\<tab>h\<tab>h"
call assert_equal(expect, getline(1))
" Retab with a single value, not using vts.
set ts=8 sts=0 vts= vsts=
exe "norm! Si\<tab>i\<tab>i\<tab>i\<tab>i"
retab 4
let expect = "i\<tab>\<tab>i\<tab>\<tab>i\<tab>\<tab>i\<tab>\<tab>i"
call assert_equal(expect, getline(1))
" Retab with a single value, using vts.
set ts=8 sts=0 vts=6 vsts=
exe "norm! Sj\<tab>j\<tab>j\<tab>j\<tab>j"
retab 4
let expect = "j\<tab> j\<tab>\<tab>j\<tab> j\<tab>\<tab>j"
call assert_equal(expect, getline(1))
" Retab with multiple values, not using vts.
set ts=6 sts=0 vts= vsts=
exe "norm! Sk\<tab>k\<tab>k\<tab>k\<tab>k\<tab>k"
retab 4,8
let expect = "k\<tab> k\<tab>k k\<tab> k\<tab> k"
call assert_equal(expect, getline(1))
" Retab with multiple values, using vts.
set ts=8 sts=0 vts=6 vsts=
exe "norm! Sl\<tab>l\<tab>l\<tab>l\<tab>l\<tab>l"
retab 4,8
let expect = "l\<tab> l\<tab>l l\<tab> l\<tab> l"
call assert_equal(expect, getline(1))
" Check that global and local values are set.
set ts=4 vts=6 sts=8 vsts=10
call assert_equal(&ts, 4)
call assert_equal(&vts, '6')
call assert_equal(&sts, 8)
call assert_equal(&vsts, '10')
new
call assert_equal(&ts, 4)
call assert_equal(&vts, '6')
call assert_equal(&sts, 8)
call assert_equal(&vsts, '10')
bwipeout!
" Check that local values only are set.
setlocal ts=5 vts=7 sts=9 vsts=11
call assert_equal(&ts, 5)
call assert_equal(&vts, '7')
call assert_equal(&sts, 9)
call assert_equal(&vsts, '11')
new
call assert_equal(&ts, 4)
call assert_equal(&vts, '6')
call assert_equal(&sts, 8)
call assert_equal(&vsts, '10')
bwipeout!
" Check that global values only are set.
setglobal ts=6 vts=8 sts=10 vsts=12
call assert_equal(&ts, 5)
call assert_equal(&vts, '7')
call assert_equal(&sts, 9)
call assert_equal(&vsts, '11')
new
call assert_equal(&ts, 6)
call assert_equal(&vts, '8')
call assert_equal(&sts, 10)
call assert_equal(&vsts, '12')
bwipeout!
bwipeout!
endfunc
func Test_vartabs_linebreak()
if winwidth(0) < 40
return
endif
new
40vnew
%d
setl linebreak vartabstop=10,20,30,40
call setline(1, "\tx\tx\tx\tx")
let expect = [' x ',
\ 'x x ',
\ 'x ']
let lines = ScreenLines([1, 3], winwidth(0))
call s:compare_lines(expect, lines)
setl list listchars=tab:>-
let expect = ['>---------x>------------------ ',
\ 'x>------------------x>------------------',
\ 'x ']
let lines = ScreenLines([1, 3], winwidth(0))
call s:compare_lines(expect, lines)
setl linebreak vartabstop=40
let expect = ['>---------------------------------------',
\ 'x>--------------------------------------',
\ 'x>--------------------------------------',
\ 'x>--------------------------------------',
\ 'x ']
let lines = ScreenLines([1, 5], winwidth(0))
call s:compare_lines(expect, lines)
" cleanup
bw!
bw!
set nolist listchars&vim
endfunc
func Test_vartabs_shiftwidth()
"return
if winwidth(0) < 40
return
endif
new
40vnew
%d
" setl varsofttabstop=10,20,30,40
setl shiftwidth=0 vartabstop=10,20,30,40
call setline(1, "x")
" Check without any change.
let expect = ['x ']
let lines = ScreenLines(1, winwidth(0))
call s:compare_lines(expect, lines)
" Test 1:
" shiftwidth depends on the indent, first check with cursor at the end of the
" line (which is the same as the start of the line, since there is only one
" character).
norm! $>>
let expect1 = [' x ']
let lines = ScreenLines(1, winwidth(0))
call s:compare_lines(expect1, lines)
call assert_equal(10, shiftwidth())
call assert_equal(10, shiftwidth(1))
call assert_equal(20, shiftwidth(virtcol('.')))
norm! $>>
let expect2 = [' x ', '~ ']
let lines = ScreenLines([1, 2], winwidth(0))
call s:compare_lines(expect2, lines)
call assert_equal(20, shiftwidth(virtcol('.')-2))
call assert_equal(30, virtcol('.')->shiftwidth())
norm! $>>
let expect3 = [' ', ' x ', '~ ']
let lines = ScreenLines([1, 3], winwidth(0))
call s:compare_lines(expect3, lines)
call assert_equal(30, shiftwidth(virtcol('.')-2))
call assert_equal(40, shiftwidth(virtcol('.')))
norm! $>>
let expect4 = [' ', ' ', ' x ']
let lines = ScreenLines([1, 3], winwidth(0))
call assert_equal(40, shiftwidth(virtcol('.')))
call s:compare_lines(expect4, lines)
" Test 2: Put the cursor at the first column, result should be the same
call setline(1, "x")
norm! 0>>
let lines = ScreenLines(1, winwidth(0))
call s:compare_lines(expect1, lines)
norm! 0>>
let lines = ScreenLines([1, 2], winwidth(0))
call s:compare_lines(expect2, lines)
norm! 0>>
let lines = ScreenLines([1, 3], winwidth(0))
call s:compare_lines(expect3, lines)
norm! 0>>
let lines = ScreenLines([1, 3], winwidth(0))
call s:compare_lines(expect4, lines)
call assert_fails('call shiftwidth([])', 'E745:')
" cleanup
bw!
bw!
endfunc
func Test_vartabs_failures()
call assert_fails('set vts=8,')
call assert_fails('set vsts=8,')
call assert_fails('set vts=8,,8')
call assert_fails('set vsts=8,,8')
call assert_fails('set vts=8,,8,')
call assert_fails('set vsts=8,,8,')
call assert_fails('set vts=,8')
call assert_fails('set vsts=,8')
endfunc
func Test_vartabs_reset()
set vts=8
set all&
call assert_equal('', &vts)
endfunc
func s:SaveCol(l)
call add(a:l, [col('.'), virtcol('.')])
return ''
endfunc
" Test for 'varsofttabstop'
func Test_varsofttabstop()
new
inoremap <expr> <F2> s:SaveCol(g:cols)
set backspace=indent,eol,start
set varsofttabstop=6,2,5,3
let g:cols = []
call feedkeys("a\t\<F2>\t\<F2>\t\<F2>\t\<F2> ", 'xt')
call assert_equal("\t\t ", getline(1))
call assert_equal([[7, 7], [2, 9], [7, 14], [3, 17]], g:cols)
let g:cols = []
call feedkeys("a\<bs>\<F2>\<bs>\<F2>\<bs>\<F2>\<bs>\<F2>\<bs>\<F2>", 'xt')
call assert_equal('', getline(1))
call assert_equal([[3, 17], [7, 14], [2, 9], [7, 7], [1, 1]], g:cols)
set varsofttabstop&
set backspace&
iunmap <F2>
close!
endfunc
" Setting 'shiftwidth' to a negative value, should set it to either the value
" of 'tabstop' (if 'vartabstop' is not set) or to the first value in
" 'vartabstop'
func Test_shiftwidth_vartabstop()
throw 'Skipped: Nvim removed this behavior in #6377'
setlocal tabstop=7 vartabstop=
call assert_fails('set shiftwidth=-1', 'E487:')
call assert_equal(7, &shiftwidth)
setlocal tabstop=7 vartabstop=5,7,10
call assert_fails('set shiftwidth=-1', 'E487:')
call assert_equal(5, &shiftwidth)
setlocal shiftwidth& vartabstop& tabstop&
endfunc
" vim: shiftwidth=2 sts=2 expandtab
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