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Diffstat (limited to 'src/testdir/test_history.vim')
| -rw-r--r-- | src/testdir/test_history.vim | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/src/testdir/test_history.vim b/src/testdir/test_history.vim new file mode 100644 index 0000000..482328a --- /dev/null +++ b/src/testdir/test_history.vim @@ -0,0 +1,265 @@ +" 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$", a) + endif + + " Test for removing entries matching a pattern + for i in range(1, 3) + call histadd(a:hist, 'text_' . i) + endfor + call assert_true(histdel(a:hist, 'text_\d\+')) + call assert_equal('ls', histget(a:hist, -1)) + + " Test for freeing the entire history list + for i in range(1, 7) + call histadd(a:hist, 'text_' . i) + endfor + call histdel(a:hist) + for i in range(1, 7) + call assert_equal('', histget(a:hist, i)) + call assert_equal('', histget(a:hist, i - 7 - 1)) + endfor + + " Test for freeing an entry at the beginning of the history list + for i in range(1, 4) + call histadd(a:hist, 'text_' . i) + endfor + call histdel(a:hist, 1) + call assert_equal('', histget(a:hist, 1)) + call assert_equal('text_4', histget(a:hist, 4)) +endfunction + +function Test_History() + for h in ['cmd', ':', '', 'search', '/', '?', 'expr', '=', 'input', '@', 'debug', '>'] + call History_Tests(h) + endfor + + " Negative tests + call assert_false(histdel('abc')) + call assert_equal('', histget('abc')) + call assert_fails('call histdel([])', 'E730:') + call assert_equal('', histget(10)) + call assert_fails('call histget([])', 'E730:') + call assert_equal(-1, histnr('abc')) + call assert_fails('call histnr([])', 'E730:') + call assert_fails('history xyz', 'E488:') + call assert_fails('history ,abc', 'E488:') + call assert_fails('call histdel(":", "\\%(")', 'E53:') +endfunction + +function Test_history_truncates_long_entry() + " History entry short enough to fit on the screen should not be truncated. + call histadd(':', 'echo x' .. repeat('y', &columns - 17) .. 'z') + let a = execute('history : -1') + + call assert_match("^\n # cmd history\n" + \ .. "> *\\d\\+ echo x" .. repeat('y', &columns - 17) .. 'z$', 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 an 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 |