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" Tests for the history functions
source check.vim
CheckFeature cmdline_hist
set history=7
function History_Tests(hist)
" First clear the history
call histadd(a:hist, 'dummy')
call assert_true(histdel(a:hist))
call assert_equal(-1, histnr(a:hist))
call assert_equal('', histget(a:hist))
call assert_true('ls'->histadd(a:hist))
call assert_true(histadd(a:hist, 'buffers'))
call assert_equal('buffers', histget(a:hist))
call assert_equal('ls', histget(a:hist, -2))
call assert_equal('ls', histget(a:hist, 1))
call assert_equal('', histget(a:hist, 5))
call assert_equal('', histget(a:hist, -5))
call assert_equal(2, histnr(a:hist))
call assert_true(histdel(a:hist, 2))
call assert_false(a:hist->histdel(7))
call assert_equal(1, histnr(a:hist))
call assert_equal('ls', histget(a:hist, -1))
call assert_true(histadd(a:hist, 'buffers'))
call assert_true(histadd(a:hist, 'ls'))
call assert_equal('ls', a:hist->histget(-1))
call assert_equal(4, a:hist->histnr())
let a=execute('history ' . a:hist)
call assert_match("^\n # \\S* history\n 3 buffers\n> 4 ls$", a)
let a=execute('history all')
call assert_match("^\n # .* history\n 3 buffers\n> 4 ls", a)
if len(a:hist) > 0
let a=execute('history ' . a:hist . ' 2')
call assert_match("^\n # \\S* history$", a)
let a=execute('history ' . a:hist . ' 3')
call assert_match("^\n # \\S* history\n 3 buffers$", a)
let a=execute('history ' . a:hist . ' 4')
call assert_match("^\n # \\S* history\n> 4 ls$", a)
let a=execute('history ' . a:hist . ' 3,4')
call assert_match("^\n # \\S* history\n 3 buffers\n> 4 ls$", a)
let a=execute('history ' . a:hist . ' -1')
call assert_match("^\n # \\S* history\n> 4 ls$", a)
let a=execute('history ' . a:hist . ' -2')
call assert_match("^\n # \\S* history\n 3 buffers$", a)
let a=execute('history ' . a:hist . ' -2,')
call assert_match("^\n # \\S* history\n 3 buffers\n> 4 ls$", a)
let a=execute('history ' . a:hist . ' -3')
call assert_match("^\n # \\S* history$", a)
endif
" Test for removing entries matching a pattern
for i in range(1, 3)
call histadd(a:hist, 'text_' . i)
endfor
call assert_true(histdel(a:hist, 'text_\d\+'))
call assert_equal('ls', histget(a:hist, -1))
" Test for freeing the entire history list
for i in range(1, 7)
call histadd(a:hist, 'text_' . i)
endfor
call histdel(a:hist)
for i in range(1, 7)
call assert_equal('', histget(a:hist, i))
call assert_equal('', histget(a:hist, i - 7 - 1))
endfor
" Test for freeing an entry at the beginning of the history list
for i in range(1, 4)
call histadd(a:hist, 'text_' . i)
endfor
call histdel(a:hist, 1)
call assert_equal('', histget(a:hist, 1))
call assert_equal('text_4', histget(a:hist, 4))
endfunction
function Test_History()
for h in ['cmd', ':', '', 'search', '/', '?', 'expr', '=', 'input', '@', 'debug', '>']
call History_Tests(h)
endfor
" Negative tests
call assert_false(histdel('abc'))
call assert_equal('', histget('abc'))
call assert_fails('call histdel([])', 'E730:')
call assert_equal('', histget(10))
call assert_fails('call histget([])', 'E730:')
call assert_equal(-1, histnr('abc'))
call assert_fails('call histnr([])', 'E730:')
call assert_fails('history xyz', 'E488:')
call assert_fails('history ,abc', 'E488:')
call assert_fails('call histdel(":", "\\%(")', 'E53:')
" Test for filtering the history list
let hist_filter = execute(':filter /_\d/ :history all')->split('\n')
call assert_equal(20, len(hist_filter))
let expected = [' # cmd history',
\ ' 2 text_2',
\ ' 3 text_3',
\ '> 4 text_4',
\ ' # search history',
\ ' 2 text_2',
\ ' 3 text_3',
\ '> 4 text_4',
\ ' # expr history',
\ ' 2 text_2',
\ ' 3 text_3',
\ '> 4 text_4',
\ ' # input history',
\ ' 2 text_2',
\ ' 3 text_3',
\ '> 4 text_4',
\ ' # debug history',
\ ' 2 text_2',
\ ' 3 text_3',
\ '> 4 text_4']
call assert_equal(expected, hist_filter)
let cmds = {'c': 'cmd', 's': 'search', 'e': 'expr', 'i': 'input', 'd': 'debug'}
for h in sort(keys(cmds))
" find some items
let hist_filter = execute(':filter /_\d/ :history ' .. h)->split('\n')
call assert_equal(4, len(hist_filter))
let expected = [' # ' .. cmds[h] .. ' history',
\ ' 2 text_2',
\ ' 3 text_3',
\ '> 4 text_4']
call assert_equal(expected, hist_filter)
" Search for an item that is not there
let hist_filter = execute(':filter /XXXX/ :history ' .. h)->split('\n')
call assert_equal(1, len(hist_filter))
let expected = [' # ' .. cmds[h] .. ' history']
call assert_equal(expected, hist_filter)
" Invert the filter condition, find non-matches
let hist_filter = execute(':filter! /_3$/ :history ' .. h)->split('\n')
call assert_equal(3, len(hist_filter))
let expected = [' # ' .. cmds[h] .. ' history',
\ ' 2 text_2',
\ '> 4 text_4']
call assert_equal(expected, hist_filter)
endfor
endfunction
function Test_history_truncates_long_entry()
" History entry short enough to fit on the screen should not be truncated.
call histadd(':', 'echo x' .. repeat('y', &columns - 17) .. 'z')
let a = execute('history : -1')
call assert_match("^\n # cmd history\n"
\ .. "> *\\d\\+ echo x" .. repeat('y', &columns - 17) .. 'z$', a)
" Long history entry should be truncated to fit on the screen, with, '...'
" inserted in the string to indicate the that there is truncation.
call histadd(':', 'echo x' .. repeat('y', &columns - 16) .. 'z')
let a = execute('history : -1')
call assert_match("^\n # cmd history\n"
\ .. "> *\\d\\+ echo xy\\+\.\.\.y\\+z$", a)
endfunction
function Test_Search_history_window()
new
call setline(1, ['a', 'b', 'a', 'b'])
1
call feedkeys("/a\<CR>", 'xt')
call assert_equal('a', getline('.'))
1
call feedkeys("/b\<CR>", 'xt')
call assert_equal('b', getline('.'))
1
" select the previous /a command
call feedkeys("q/kk\<CR>", 'x!')
call assert_equal('a', getline('.'))
call assert_equal('a', @/)
bwipe!
endfunc
" Test for :history command option completion
function Test_history_completion()
call feedkeys(":history \<C-A>\<C-B>\"\<CR>", 'tx')
call assert_equal('"history / : = > ? @ all cmd debug expr input search', @:)
endfunc
" Test for increasing the 'history' option value
func Test_history_size()
let save_histsz = &history
set history=10
call histadd(':', 'ls')
call histdel(':')
for i in range(1, 5)
call histadd(':', 'cmd' .. i)
endfor
call assert_equal(5, histnr(':'))
call assert_equal('cmd5', histget(':', -1))
set history=15
for i in range(6, 10)
call histadd(':', 'cmd' .. i)
endfor
call assert_equal(10, histnr(':'))
call assert_equal('cmd1', histget(':', 1))
call assert_equal('cmd10', histget(':', -1))
set history=5
call histadd(':', 'abc')
call assert_equal('', histget(':', 6))
call assert_equal('', histget(':', 12))
call assert_equal('cmd7', histget(':', 7))
call assert_equal('abc', histget(':', -1))
" This test works only when the language is English
if v:lang == "C" || v:lang =~ '^[Ee]n'
set history=0
redir => v
call feedkeys(":history\<CR>", 'xt')
redir END
call assert_equal(["'history' option is zero"], split(v, "\n"))
endif
let &history=save_histsz
endfunc
" Test for recalling old search patterns in /
func Test_history_search()
call histdel('/')
let g:pat = []
func SavePat()
call add(g:pat, getcmdline())
return ''
endfunc
cnoremap <F2> <C-\>eSavePat()<CR>
call histadd('/', 'pat1')
call histadd('/', 'pat2')
let @/ = ''
call feedkeys("/\<Up>\<F2>\<Up>\<F2>\<Down>\<Down>\<F2>\<Esc>", 'xt')
call assert_equal(['pat2', 'pat1', ''], g:pat)
cunmap <F2>
delfunc SavePat
" Search for a pattern that is not present in the history
call assert_beeps('call feedkeys("/a1b2\<Up>\<CR>", "xt")')
" Recall patterns with 'history' set to 0
set history=0
let @/ = 'abc'
let cmd = 'call feedkeys("/\<Up>\<Down>\<S-Up>\<S-Down>\<CR>", "xt")'
call assert_fails(cmd, 'E486:')
set history&
" Recall patterns till the end of history
set history=4
call histadd('/', 'pat')
call histdel('/')
call histadd('/', 'pat1')
call histadd('/', 'pat2')
call assert_beeps('call feedkeys("/\<Up>\<Up>\<Up>\<C-U>\<cr>", "xt")')
call assert_beeps('call feedkeys("/\<Down><cr>", "xt")')
" Test for wrapping around the history list
for i in range(3, 7)
call histadd('/', 'pat' .. i)
endfor
let upcmd = "\<up>\<up>\<up>\<up>\<up>"
let downcmd = "\<down>\<down>\<down>\<down>\<down>"
try
call feedkeys("/" .. upcmd .. "\<cr>", 'xt')
catch /E486:/
endtry
call assert_equal('pat4', @/)
try
call feedkeys("/" .. upcmd .. downcmd .. "\<cr>", 'xt')
catch /E486:/
endtry
call assert_equal('pat4', @/)
" Test for changing the search command separator in the history
call assert_fails('call feedkeys("/def/\<cr>", "xt")', 'E486:')
call assert_fails('call feedkeys("?\<up>\<cr>", "xt")', 'E486:')
call assert_equal('def?', histget('/', -1))
call assert_fails('call feedkeys("/ghi?\<cr>", "xt")', 'E486:')
call assert_fails('call feedkeys("?\<up>\<cr>", "xt")', 'E486:')
call assert_equal('ghi\?', histget('/', -1))
set history&
endfunc
" Test for making sure the key value is not stored in history
func Test_history_crypt_key()
CheckFeature cryptv
call feedkeys(":set bs=2 key=abc ts=8\<CR>", 'xt')
call assert_equal('set bs=2 key= ts=8', histget(':'))
call assert_fails("call feedkeys(':set bs=2 key-=abc ts=8\<CR>', 'xt')")
call assert_equal('set bs=2 key-= ts=8', histget(':'))
set key& bs& ts&
endfunc
" The following used to overflow and causing a use-after-free
func Test_history_max_val()
set history=10
call assert_fails(':history 2147483648', 'E1510:')
set history&
endfunc
" vim: shiftwidth=2 sts=2 expandtab
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