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-rw-r--r--src/testdir/test_tabpage.vim855
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+" Tests for tabpage
+
+source screendump.vim
+source check.vim
+
+function Test_tabpage()
+ CheckFeature quickfix
+
+ bw!
+ " Simple test for opening and closing a tab page
+ tabnew
+ call assert_equal(2, tabpagenr())
+ quit
+
+ " Open three tab pages and use ":tabdo"
+ 0tabnew
+ 1tabnew
+ $tabnew
+ %del
+ tabdo call append(line('$'), tabpagenr())
+ tabclose! 2
+ tabrewind
+ let line1 = getline('$')
+ undo
+ q
+ tablast
+ let line2 = getline('$')
+ q!
+ call append(line('$'), line1)
+ call append(line('$'), line2)
+ unlet line1 line2
+ call assert_equal(['', '3', '1', '4'], getline(1, '$'))
+ "
+ " Test for settabvar() and gettabvar() functions. Open a new tab page and
+ " set 3 variables to a number, string and a list. Verify that the variables
+ " are correctly set.
+ tabnew
+ tabfirst
+ call settabvar(2, 'val_num', 100)
+ eval 'SetTabVar test'->settabvar(2, 'val_str')
+ call settabvar(2, 'val_list', ['red', 'blue', 'green'])
+ "
+ call assert_true(gettabvar(2, 'val_num') == 100 && gettabvar(2, 'val_str') == 'SetTabVar test' && gettabvar(2, 'val_list') == ['red', 'blue', 'green'])
+
+ tabnext 2
+ call assert_true(t:val_num == 100 && t:val_str == 'SetTabVar test' && t:val_list == ['red', 'blue', 'green'])
+ tabclose
+
+ " Test for ":tab drop exist-file" to keep current window.
+ sp test1
+ tab drop test1
+ call assert_true(tabpagenr('$') == 1 && winnr('$') == 2 && winnr() == 1)
+ close
+ "
+ "
+ " Test for ":tab drop new-file" to keep current window of tabpage 1.
+ split
+ tab drop newfile
+ call assert_true(tabpagenr('$') == 2 && tabpagewinnr(1, '$') == 2 && tabpagewinnr(1) == 1)
+ tabclose
+ q
+ "
+ "
+ " Test for ":tab drop multi-opened-file" to keep current tabpage and window.
+ new test1
+ tabnew
+ new test1
+ tab drop test1
+ call assert_true(tabpagenr() == 2 && tabpagewinnr(2, '$') == 2 && tabpagewinnr(2) == 1)
+ tabclose
+ q
+ "
+ "
+ " Test for ":tab drop vertical-split-window" to jump test1 buffer
+ tabedit test1
+ vnew
+ tabfirst
+ tab drop test1
+ call assert_equal([2, 2, 2, 2], [tabpagenr('$'), tabpagenr(), tabpagewinnr(2, '$'), tabpagewinnr(2)])
+ 1tabonly
+ "
+ "
+ for i in range(9) | tabnew | endfor
+ normal! 1gt
+ call assert_equal(1, tabpagenr())
+ tabmove 5
+ call assert_equal(5, tabpagenr())
+ .tabmove
+ call assert_equal(5, tabpagenr())
+ tabmove -
+ call assert_equal(4, tabpagenr())
+ tabmove +
+ call assert_equal(5, tabpagenr())
+ tabmove -2
+ call assert_equal(3, tabpagenr())
+ tabmove +4
+ call assert_equal(7, tabpagenr())
+ tabmove
+ call assert_equal(10, tabpagenr())
+ 0tabmove
+ call assert_equal(1, tabpagenr())
+ $tabmove
+ call assert_equal(10, tabpagenr())
+ tabmove 0
+ call assert_equal(1, tabpagenr())
+ tabmove $
+ call assert_equal(10, tabpagenr())
+ 3tabmove
+ call assert_equal(4, tabpagenr())
+ 7tabmove 5
+ call assert_equal(5, tabpagenr())
+ -tabmove
+ call assert_equal(4, tabpagenr())
+ +tabmove
+ call assert_equal(5, tabpagenr())
+ -2tabmove
+ call assert_equal(3, tabpagenr())
+ +3tabmove
+ call assert_equal(6, tabpagenr())
+
+ " The following are a no-op
+ norm! 2gt
+ call assert_equal(2, tabpagenr())
+ tabmove 2
+ call assert_equal(2, tabpagenr())
+ 2tabmove
+ call assert_equal(2, tabpagenr())
+ tabmove 1
+ call assert_equal(2, tabpagenr())
+ 1tabmove
+ call assert_equal(2, tabpagenr())
+
+ call assert_fails('let t = tabpagenr("@")', 'E15:')
+ call assert_equal(0, tabpagewinnr(-1))
+ call assert_fails("99tabmove", 'E16:')
+ call assert_fails("+99tabmove", 'E16:')
+ call assert_fails("-99tabmove", 'E16:')
+ call assert_fails("tabmove foo", 'E475:')
+ call assert_fails("tabmove 99", 'E475:')
+ call assert_fails("tabmove +99", 'E475:')
+ call assert_fails("tabmove -99", 'E475:')
+ call assert_fails("tabmove -3+", 'E475:')
+ call assert_fails("tabmove $3", 'E475:')
+ call assert_fails("%tabonly", 'E16:')
+ 1tabonly!
+ tabmove 1
+ call assert_equal(1, tabpagenr())
+ tabnew
+ call assert_fails("-2tabmove", 'E16:')
+ tabonly!
+endfunc
+
+" Test autocommands
+function Test_tabpage_with_autocmd()
+ command -nargs=1 -bar C :call add(s:li, '=== ' . <q-args> . ' ===')|<args>
+ augroup TestTabpageGroup
+ au!
+ autocmd TabEnter * call add(s:li, 'TabEnter')
+ autocmd WinEnter * call add(s:li, 'WinEnter')
+ autocmd BufEnter * call add(s:li, 'BufEnter')
+ autocmd TabLeave * call add(s:li, 'TabLeave')
+ autocmd WinLeave * call add(s:li, 'WinLeave')
+ autocmd BufLeave * call add(s:li, 'BufLeave')
+ augroup END
+
+ let s:li = []
+ let t:a='a'
+ C tab split
+ call assert_equal(['=== tab split ===', 'WinLeave', 'TabLeave', 'WinEnter', 'TabEnter'], s:li)
+ let s:li = []
+ let t:a='b'
+ C tabnew
+ call assert_equal(['=== tabnew ===', 'WinLeave', 'TabLeave', 'WinEnter', 'TabEnter', 'BufLeave', 'BufEnter'], s:li)
+ let t:a='c'
+ let s:li = split(join(map(range(1, tabpagenr('$')), 'gettabvar(v:val, "a")')) , '\s\+')
+ call assert_equal(['a', 'b', 'c'], s:li)
+
+ let s:li = []
+ C call map(range(1, tabpagenr('$')), 'settabvar(v:val, ''a'', v:val*2)')
+ call assert_equal(["=== call map(range(1, tabpagenr('$')), 'settabvar(v:val, ''a'', v:val*2)') ==="], s:li)
+ let s:li = split(join(map(range(1, tabpagenr('$')), 'gettabvar(v:val, "a")')) , '\s\+')
+ call assert_equal(['2', '4', '6'], s:li)
+
+ let s:li = []
+ let w:a='a'
+ C vsplit
+ call assert_equal(['=== vsplit ===', 'WinLeave', 'WinEnter'], s:li)
+ let s:li = []
+ let w:a='a'
+ let tabn=tabpagenr()
+ let winr=range(1, winnr('$'))
+ C tabnext 1
+ call assert_equal(['=== tabnext 1 ===', 'BufLeave', 'WinLeave', 'TabLeave', 'WinEnter', 'TabEnter', 'BufEnter'], s:li)
+ let s:li = split(join(map(copy(winr), 'gettabwinvar('.tabn.', v:val, "a")')), '\s\+')
+ call assert_equal(['a', 'a'], s:li)
+ let s:li = []
+ C call map(copy(winr), '(v:val*2)->settabwinvar(' .. tabn .. ', v:val, ''a'')')
+ let s:li = split(join(map(copy(winr), 'gettabwinvar('.tabn.', v:val, "a")')), '\s\+')
+ call assert_equal(['2', '4'], s:li)
+
+ augroup TabDestructive
+ autocmd TabEnter * :C tabnext 2 | C tabclose 3
+ augroup END
+ let s:li = []
+ C tabnext 3
+ call assert_equal(['=== tabnext 3 ===', 'BufLeave', 'WinLeave', 'TabLeave', 'WinEnter', 'TabEnter', '=== tabnext 2 ===', '=== tabclose 3 ==='], s:li)
+ call assert_equal(['2/2'], [tabpagenr().'/'.tabpagenr('$')])
+
+ autocmd! TabDestructive TabEnter
+ let s:li = []
+ C tabnew
+ call assert_equal(['=== tabnew ===', 'WinLeave', 'TabLeave', 'WinEnter', 'TabEnter', 'BufLeave', 'BufEnter'], s:li)
+ let s:li = []
+ C tabnext 1
+ call assert_equal(['=== tabnext 1 ===', 'BufLeave', 'WinLeave', 'TabLeave', 'WinEnter', 'TabEnter', 'BufEnter'], s:li)
+
+ autocmd TabDestructive TabEnter * nested :C tabnext 2 | C tabclose 3
+ let s:li = []
+ call assert_equal(3, tabpagenr('$'))
+ C tabnext 2
+ call assert_equal(2, tabpagenr('$'))
+ call assert_equal(['=== tabnext 2 ===', 'WinLeave', 'TabLeave', 'WinEnter', 'TabEnter', '=== tabnext 2 ===', '=== tabclose 3 ==='], s:li)
+ call assert_equal(['2/2'], [tabpagenr().'/'.tabpagenr('$')])
+
+ delcommand C
+ autocmd! TabDestructive
+ augroup! TabDestructive
+ autocmd! TestTabpageGroup
+ augroup! TestTabpageGroup
+ 1tabonly!
+endfunction
+
+" Test autocommands on tab drop
+function Test_tabpage_with_autocmd_tab_drop()
+ augroup TestTabpageGroup
+ au!
+ autocmd TabEnter * call add(s:li, 'TabEnter')
+ autocmd WinEnter * call add(s:li, 'WinEnter')
+ autocmd BufEnter * call add(s:li, 'BufEnter')
+ autocmd TabLeave * call add(s:li, 'TabLeave')
+ autocmd WinLeave * call add(s:li, 'WinLeave')
+ autocmd BufLeave * call add(s:li, 'BufLeave')
+ augroup END
+
+ let s:li = []
+ tab drop test1
+ call assert_equal(['BufLeave', 'BufEnter'], s:li)
+
+ let s:li = []
+ tab drop test2 test3
+ call assert_equal([
+ \ 'TabLeave', 'TabEnter', 'TabLeave', 'TabEnter',
+ \ 'TabLeave', 'WinEnter', 'TabEnter', 'BufEnter',
+ \ 'TabLeave', 'WinEnter', 'TabEnter', 'BufEnter'], s:li)
+
+ autocmd! TestTabpageGroup
+ augroup! TestTabpageGroup
+ 1tabonly!
+endfunction
+
+function Test_tabpage_with_tab_modifier()
+ CheckFeature quickfix
+
+ for n in range(4)
+ tabedit
+ endfor
+
+ function s:check_tab(pre_nr, cmd, post_nr)
+ exec 'tabnext ' . a:pre_nr
+ exec a:cmd
+ call assert_equal(a:post_nr, tabpagenr())
+ call assert_equal('help', &buftype)
+ helpclose
+ endfunc
+
+ call s:check_tab(1, 'tab help', 2)
+ call s:check_tab(1, '3tab help', 4)
+ call s:check_tab(1, '.tab help', 2)
+ call s:check_tab(1, '.+1tab help', 3)
+ call s:check_tab(1, '0tab help', 1)
+ call s:check_tab(2, '+tab help', 4)
+ call s:check_tab(2, '+2tab help', 5)
+ call s:check_tab(4, '-tab help', 4)
+ call s:check_tab(4, '-2tab help', 3)
+ call s:check_tab(3, '$tab help', 6)
+ call assert_fails('99tab help', 'E16:')
+ call assert_fails('+99tab help', 'E16:')
+ call assert_fails('-99tab help', 'E16:')
+
+ delfunction s:check_tab
+ 1tabonly!
+endfunction
+
+function Check_tab_count(pre_nr, cmd, post_nr)
+ exec 'tabnext' a:pre_nr
+ normal! G
+ exec a:cmd
+ call assert_equal(a:post_nr, tabpagenr(), a:cmd)
+endfunc
+
+" Test for [count] of tabnext
+function Test_tabpage_with_tabnext()
+ for n in range(4)
+ tabedit
+ call setline(1, ['', '', '3'])
+ endfor
+
+ call Check_tab_count(1, 'tabnext', 2)
+ call Check_tab_count(1, '3tabnext', 3)
+ call Check_tab_count(1, '.tabnext', 1)
+ call Check_tab_count(1, '.+1tabnext', 2)
+ call Check_tab_count(2, '+tabnext', 3)
+ call Check_tab_count(2, '+2tabnext', 4)
+ call Check_tab_count(4, '-tabnext', 3)
+ call Check_tab_count(4, '-2tabnext', 2)
+ call Check_tab_count(3, '$tabnext', 5)
+ call assert_fails('0tabnext', 'E16:')
+ call assert_fails('99tabnext', 'E16:')
+ call assert_fails('+99tabnext', 'E16:')
+ call assert_fails('-99tabnext', 'E16:')
+ call Check_tab_count(1, 'tabnext 3', 3)
+ call Check_tab_count(2, 'tabnext +', 3)
+ call Check_tab_count(2, 'tabnext +2', 4)
+ call Check_tab_count(4, 'tabnext -', 3)
+ call Check_tab_count(4, 'tabnext -2', 2)
+ call Check_tab_count(3, 'tabnext $', 5)
+ call assert_fails('tabnext 0', 'E475:')
+ call assert_fails('tabnext .', 'E475:')
+ call assert_fails('tabnext -+', 'E475:')
+ call assert_fails('tabnext +2-', 'E475:')
+ call assert_fails('tabnext $3', 'E475:')
+ call assert_fails('tabnext 99', 'E475:')
+ call assert_fails('tabnext +99', 'E475:')
+ call assert_fails('tabnext -99', 'E475:')
+
+ 1tabonly!
+endfunction
+
+" Test for [count] of tabprevious
+function Test_tabpage_with_tabprevious()
+ for n in range(5)
+ tabedit
+ call setline(1, ['', '', '3'])
+ endfor
+
+ for cmd in ['tabNext', 'tabprevious']
+ call Check_tab_count(6, cmd, 5)
+ call Check_tab_count(6, '3' . cmd, 3)
+ call Check_tab_count(6, '8' . cmd, 4)
+ call Check_tab_count(6, cmd . ' 3', 3)
+ call Check_tab_count(6, cmd . ' 8', 4)
+ for n in range(2)
+ for c in ['0', '.+3', '+', '+2', '-', '-2', '$', '+99', '-99']
+ if n == 0 " pre count
+ let entire_cmd = c . cmd
+ let err_code = 'E16:'
+ else
+ let entire_cmd = cmd . ' ' . c
+ let err_code = 'E475:'
+ endif
+ call assert_fails(entire_cmd, err_code)
+ endfor
+ endfor
+ endfor
+
+ 1tabonly!
+endfunction
+
+function s:reconstruct_tabpage_for_test(nr)
+ let n = (a:nr > 2) ? a:nr - 2 : 1
+ 1tabonly!
+ 0tabedit n0
+ for n in range(1, n)
+ exec '$tabedit n' . n
+ if n == 1
+ call setline(1, ['', '', '3'])
+ endif
+ endfor
+endfunc
+
+func Test_tabpage_ctrl_pgup_pgdown()
+ enew!
+ tabnew tab1
+ tabnew tab2
+
+ call assert_equal(3, tabpagenr())
+ exe "norm! \<C-PageUp>"
+ call assert_equal(2, tabpagenr())
+ exe "norm! \<C-PageDown>"
+ call assert_equal(3, tabpagenr())
+
+ " Check wrapping at last or first page.
+ exe "norm! \<C-PageDown>"
+ call assert_equal(1, tabpagenr())
+ exe "norm! \<C-PageUp>"
+ call assert_equal(3, tabpagenr())
+
+ " With a count, <C-PageUp> and <C-PageDown> are not symmetrical somehow:
+ " - {count}<C-PageUp> goes {count} pages downward (relative count)
+ " - {count}<C-PageDown> goes to page number {count} (absolute count)
+ exe "norm! 2\<C-PageUp>"
+ call assert_equal(1, tabpagenr())
+ exe "norm! 2\<C-PageDown>"
+ call assert_equal(2, tabpagenr())
+
+ 1tabonly!
+endfunc
+
+" Test for [count] of tabclose
+function Test_tabpage_with_tabclose()
+
+ " pre count
+ call s:reconstruct_tabpage_for_test(6)
+ call Check_tab_count(3, 'tabclose!', 3)
+ call Check_tab_count(1, '3tabclose', 1)
+ call Check_tab_count(4, '4tabclose', 3)
+ call Check_tab_count(3, '1tabclose', 2)
+ call Check_tab_count(2, 'tabclose', 1)
+ call assert_equal(1, tabpagenr('$'))
+ call assert_equal('', bufname(''))
+
+ call s:reconstruct_tabpage_for_test(6)
+ call Check_tab_count(2, '$tabclose', 2)
+ call Check_tab_count(4, '.tabclose', 4)
+ call Check_tab_count(3, '.+tabclose', 3)
+ call Check_tab_count(3, '.-2tabclose', 2)
+ call Check_tab_count(1, '.+1tabclose!', 1)
+ call assert_equal(1, tabpagenr('$'))
+ call assert_equal('', bufname(''))
+
+ " post count
+ call s:reconstruct_tabpage_for_test(6)
+ call Check_tab_count(3, 'tabclose!', 3)
+ call Check_tab_count(1, 'tabclose 3', 1)
+ call Check_tab_count(4, 'tabclose 4', 3)
+ call Check_tab_count(3, 'tabclose 1', 2)
+ call Check_tab_count(2, 'tabclose', 1)
+ call assert_equal(1, tabpagenr('$'))
+ call assert_equal('', bufname(''))
+
+ call s:reconstruct_tabpage_for_test(6)
+ call Check_tab_count(2, 'tabclose $', 2)
+ call Check_tab_count(4, 'tabclose', 4)
+ call Check_tab_count(3, 'tabclose +', 3)
+ call Check_tab_count(3, 'tabclose -2', 2)
+ call Check_tab_count(1, 'tabclose! +1', 1)
+ call assert_equal(1, tabpagenr('$'))
+ call assert_equal('', bufname(''))
+
+ call s:reconstruct_tabpage_for_test(6)
+ for n in range(2)
+ for c in ['0', '$3', '99', '+99', '-99']
+ if n == 0 " pre count
+ let entire_cmd = c . 'tabclose'
+ let err_code = 'E16:'
+ else
+ let entire_cmd = 'tabclose ' . c
+ let err_code = 'E475:'
+ endif
+ call assert_fails(entire_cmd, err_code)
+ call assert_equal(6, tabpagenr('$'))
+ endfor
+ endfor
+
+ call assert_fails('3tabclose', 'E37:')
+ call assert_fails('tabclose 3', 'E37:')
+ call assert_fails('tabclose -+', 'E475:')
+ call assert_fails('tabclose +2-', 'E475:')
+ call assert_equal(6, tabpagenr('$'))
+
+ 1tabonly!
+endfunction
+
+" Test for [count] of tabonly
+function Test_tabpage_with_tabonly()
+
+ " Test for the normal behavior (pre count only)
+ let tc = [ [4, '.', '!'], [2, '.+', ''], [3, '.-2', '!'], [1, '.+1', '!'] ]
+ for c in tc
+ call s:reconstruct_tabpage_for_test(6)
+ let entire_cmd = c[1] . 'tabonly' . c[2]
+ call Check_tab_count(c[0], entire_cmd, 1)
+ call assert_equal(1, tabpagenr('$'))
+ endfor
+
+ " Test for the normal behavior
+ let tc2 = [ [3, '', ''], [1, '3', ''], [4, '4', '!'], [3, '1', '!'],
+ \ [2, '', '!'],
+ \ [2, '$', '!'], [3, '+', '!'], [3, '-2', '!'], [3, '+1', '!']
+ \ ]
+ for n in range(2)
+ for c in tc2
+ call s:reconstruct_tabpage_for_test(6)
+ if n == 0 " pre count
+ let entire_cmd = c[1] . 'tabonly' . c[2]
+ else
+ let entire_cmd = 'tabonly' . c[2] . ' ' . c[1]
+ endif
+ call Check_tab_count(c[0], entire_cmd, 1)
+ call assert_equal(1, tabpagenr('$'))
+ endfor
+ endfor
+
+ " Test for the error behavior
+ for n in range(2)
+ for c in ['0', '$3', '99', '+99', '-99']
+ call s:reconstruct_tabpage_for_test(6)
+ if n == 0 " pre count
+ let entire_cmd = c . 'tabonly'
+ let err_code = 'E16:'
+ else
+ let entire_cmd = 'tabonly ' . c
+ let err_code = 'E475:'
+ endif
+ call assert_fails(entire_cmd, err_code)
+ call assert_equal(6, tabpagenr('$'))
+ endfor
+ endfor
+
+ " Test for the error behavior (post count only)
+ for c in tc
+ call s:reconstruct_tabpage_for_test(6)
+ let entire_cmd = 'tabonly' . c[2] . ' ' . c[1]
+ let err_code = 'E475:'
+ call assert_fails(entire_cmd, err_code)
+ call assert_equal(6, tabpagenr('$'))
+ endfor
+
+ call assert_fails('tabonly -+', 'E475:')
+ call assert_fails('tabonly +2-', 'E475:')
+ call assert_equal(6, tabpagenr('$'))
+
+ 1tabonly!
+ new
+ only!
+endfunction
+
+func Test_tabnext_on_buf_unload1()
+ " This once caused a crash
+ new
+ tabedit
+ tabfirst
+ au BufUnload <buffer> tabnext
+ q
+
+ while tabpagenr('$') > 1
+ bwipe!
+ endwhile
+endfunc
+
+func Test_tabnext_on_buf_unload2()
+ " This once caused a crash
+ tabedit
+ autocmd BufUnload <buffer> tabnext
+ file x
+ edit y
+
+ while tabpagenr('$') > 1
+ bwipe!
+ endwhile
+endfunc
+
+func Test_close_on_quitpre()
+ " This once caused a crash
+ edit Xtest
+ new
+ only
+ set bufhidden=delete
+ au QuitPre <buffer> close
+ tabnew tab1
+ tabnew tab2
+ 1tabn
+ q!
+ call assert_equal(1, tabpagenr())
+ call assert_equal(2, tabpagenr('$'))
+ " clean up
+ while tabpagenr('$') > 1
+ bwipe!
+ endwhile
+ buf Xtest
+endfunc
+
+func Test_tabs()
+ enew!
+ tabnew tab1
+ norm ixxx
+ let a=split(execute(':tabs'), "\n")
+ call assert_equal(['Tab page 1',
+ \ ' [No Name]',
+ \ 'Tab page 2',
+ \ '> + tab1'], a)
+
+ 1tabonly!
+ bw!
+endfunc
+
+func Test_tabpage_cmdheight()
+ CheckRunVimInTerminal
+ call writefile([
+ \ 'set laststatus=2',
+ \ 'set cmdheight=2',
+ \ 'tabnew',
+ \ 'set cmdheight=3',
+ \ 'tabnext',
+ \ 'redraw!',
+ \ 'echo "hello\nthere"',
+ \ 'tabnext',
+ \ 'redraw',
+ \ ], 'XTest_tabpage_cmdheight')
+ " Check that cursor line is concealed
+ let buf = RunVimInTerminal('-S XTest_tabpage_cmdheight', {'statusoff': 3})
+ call VerifyScreenDump(buf, 'Test_tabpage_cmdheight', {})
+
+ call StopVimInTerminal(buf)
+ call delete('XTest_tabpage_cmdheight')
+endfunc
+
+" Test for closing the tab page from a command window
+func Test_tabpage_close_cmdwin()
+ CheckFeature cmdwin
+
+ tabnew
+ call feedkeys("q/:tabclose\<CR>\<Esc>", 'xt')
+ call assert_equal(2, tabpagenr('$'))
+ call feedkeys("q/:tabonly\<CR>\<Esc>", 'xt')
+ call assert_equal(2, tabpagenr('$'))
+ tabonly
+endfunc
+
+" Pressing <C-PageUp> in insert mode should go to the previous tab page
+" and <C-PageDown> should go to the next tab page
+func Test_tabpage_Ctrl_Pageup()
+ tabnew
+ call feedkeys("i\<C-PageUp>", 'xt')
+ call assert_equal(1, tabpagenr())
+ call feedkeys("i\<C-PageDown>", 'xt')
+ call assert_equal(2, tabpagenr())
+ %bw!
+endfunc
+
+" Return the terminal key code for selecting a tab page from the tabline. This
+" sequence contains the following codes: a CSI (0x9b), KS_TABLINE (0xf0),
+" KS_FILLER (0x58) and then the tab page number.
+func TabLineSelectPageCode(tabnr)
+ return "\x9b\xf0\x58" .. nr2char(a:tabnr)
+endfunc
+
+" Return the terminal key code for opening a new tabpage from the tabpage
+" menu. This sequence consists of the following codes: a CSI (0x9b),
+" KS_TABMENU (0xef), KS_FILLER (0x58), the tab page number and
+" TABLINE_MENU_NEW (2).
+func TabMenuNewItemCode(tabnr)
+ return "\x9b\xef\x58" .. nr2char(a:tabnr) .. nr2char(2)
+endfunc
+
+" Return the terminal key code for closing a tabpage from the tabpage menu.
+" This sequence consists of the following codes: a CSI (0x9b), KS_TABMENU
+" (0xef), KS_FILLER (0x58), the tab page number and TABLINE_MENU_CLOSE (1).
+func TabMenuCloseItemCode(tabnr)
+ return "\x9b\xef\x58" .. nr2char(a:tabnr) .. nr2char(1)
+endfunc
+
+" Test for using the tabpage menu from the insert and normal modes
+func Test_tabline_tabmenu()
+ " only works in GUI
+ CheckGui
+
+ %bw!
+ tabnew
+ tabnew
+ call assert_equal(3, tabpagenr())
+
+ " go to tab page 2 in normal mode
+ call feedkeys(TabLineSelectPageCode(2), "Lx!")
+ call assert_equal(2, tabpagenr())
+
+ " close tab page 3 in normal mode
+ call feedkeys(TabMenuCloseItemCode(3), "Lx!")
+ call assert_equal(2, tabpagenr('$'))
+ call assert_equal(2, tabpagenr())
+
+ " open new tab page before tab page 1 in normal mode
+ call feedkeys(TabMenuNewItemCode(1), "Lx!")
+ call assert_equal(1, tabpagenr())
+ call assert_equal(3, tabpagenr('$'))
+
+ " go to tab page 2 in operator-pending mode (should beep)
+ call assert_beeps('call feedkeys("c" .. TabLineSelectPageCode(2), "Lx!")')
+ call assert_equal(2, tabpagenr())
+ call assert_equal(3, tabpagenr('$'))
+
+ " open new tab page before tab page 1 in operator-pending mode (should beep)
+ call assert_beeps('call feedkeys("c" .. TabMenuNewItemCode(1), "Lx!")')
+ call assert_equal(1, tabpagenr())
+ call assert_equal(4, tabpagenr('$'))
+
+ " open new tab page after tab page 3 in normal mode
+ call feedkeys(TabMenuNewItemCode(4), "Lx!")
+ call assert_equal(4, tabpagenr())
+ call assert_equal(5, tabpagenr('$'))
+
+ " go to tab page 2 in insert mode
+ call feedkeys("i" .. TabLineSelectPageCode(2) .. "\<C-C>", "Lx!")
+ call assert_equal(2, tabpagenr())
+
+ " close tab page 2 in insert mode
+ call feedkeys("i" .. TabMenuCloseItemCode(2) .. "\<C-C>", "Lx!")
+ call assert_equal(4, tabpagenr('$'))
+
+ " open new tab page before tab page 3 in insert mode
+ call feedkeys("i" .. TabMenuNewItemCode(3) .. "\<C-C>", "Lx!")
+ call assert_equal(3, tabpagenr())
+ call assert_equal(5, tabpagenr('$'))
+
+ " open new tab page after tab page 4 in insert mode
+ call feedkeys("i" .. TabMenuNewItemCode(5) .. "\<C-C>", "Lx!")
+ call assert_equal(5, tabpagenr())
+ call assert_equal(6, tabpagenr('$'))
+
+ %bw!
+endfunc
+
+" Test for changing the current tab page from an autocmd when closing a tab
+" page.
+func Test_tabpage_switchtab_on_close()
+ only
+ tabnew
+ tabnew
+ " Test for BufLeave
+ augroup T1
+ au!
+ au BufLeave * tabfirst
+ augroup END
+ tabclose
+ call assert_equal(1, tabpagenr())
+ augroup T1
+ au!
+ augroup END
+
+ " Test for WinLeave
+ $tabnew
+ augroup T1
+ au!
+ au WinLeave * tabfirst
+ augroup END
+ tabclose
+ call assert_equal(1, tabpagenr())
+ augroup T1
+ au!
+ augroup END
+
+ " Test for TabLeave
+ $tabnew
+ augroup T1
+ au!
+ au TabLeave * tabfirst
+ augroup END
+ tabclose
+ call assert_equal(1, tabpagenr())
+ augroup T1
+ au!
+ augroup END
+ augroup! T1
+ tabonly
+endfunc
+
+" Test for closing the destination tabpage when jumping from one to another.
+func Test_tabpage_close_on_switch()
+ tabnew
+ tabnew
+ edit Xfile
+ augroup T2
+ au!
+ au BufLeave Xfile 1tabclose
+ augroup END
+ tabfirst
+ call assert_equal(2, tabpagenr())
+ call assert_equal('Xfile', @%)
+ augroup T2
+ au!
+ augroup END
+ augroup! T2
+ %bw!
+endfunc
+
+" Test for jumping to last accessed tabpage
+func Test_lastused_tabpage()
+ tabonly!
+ call assert_equal(0, tabpagenr('#'))
+ call assert_beeps('call feedkeys("g\<Tab>", "xt")')
+ call assert_beeps('call feedkeys("\<C-Tab>", "xt")')
+ call assert_beeps('call feedkeys("\<C-W>g\<Tab>", "xt")')
+ call assert_fails('tabnext #', 'E475:')
+
+ " open four tab pages
+ tabnew
+ tabnew
+ tabnew
+
+ 2tabnext
+
+ " Test for g<Tab>
+ call assert_equal(4, tabpagenr('#'))
+ call feedkeys("g\<Tab>", "xt")
+ call assert_equal(4, tabpagenr())
+ call assert_equal(2, tabpagenr('#'))
+
+ " Test for <C-Tab>
+ call feedkeys("\<C-Tab>", "xt")
+ call assert_equal(2, tabpagenr())
+ call assert_equal(4, tabpagenr('#'))
+
+ " Test for <C-W>g<Tab>
+ call feedkeys("\<C-W>g\<Tab>", "xt")
+ call assert_equal(4, tabpagenr())
+ call assert_equal(2, tabpagenr('#'))
+
+ " Test for :tabnext #
+ tabnext #
+ call assert_equal(2, tabpagenr())
+ call assert_equal(4, tabpagenr('#'))
+
+ " Try to jump to a closed tab page
+ tabclose #
+ call assert_equal(0, tabpagenr('#'))
+ call feedkeys("g\<Tab>", "xt")
+ call assert_equal(2, tabpagenr())
+ call feedkeys("\<C-Tab>", "xt")
+ call assert_equal(2, tabpagenr())
+ call feedkeys("\<C-W>g\<Tab>", "xt")
+ call assert_equal(2, tabpagenr())
+ call assert_fails('tabnext #', 'E475:')
+ call assert_equal(2, tabpagenr())
+
+ " Test for :tabonly #
+ let wnum = win_getid()
+ $tabnew
+ tabonly #
+ call assert_equal(wnum, win_getid())
+ call assert_equal(1, tabpagenr('$'))
+
+ " Test for :tabmove #
+ tabnew
+ let wnum = win_getid()
+ tabnew
+ tabnew
+ tabnext 2
+ tabmove #
+ call assert_equal(4, tabpagenr())
+ call assert_equal(wnum, win_getid())
+
+ tabonly!
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab