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" Tests for the history functions
if !has('cmdline_hist')
finish
endif
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
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:')
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
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
call histdel(':')
set history=5
for i in range(1, 5)
call histadd(':', 'cmd' .. i)
endfor
call assert_equal(5, histnr(':'))
call assert_equal('cmd5', histget(':', -1))
set history=10
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))
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
endfunc
" vim: shiftwidth=2 sts=2 expandtab
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