mirror of
https://github.com/neovim/neovim.git
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de673966c3
Problem: Illegal memory access with large 'tabstop' in Ex mode.
Solution: Allocate enough memory.
85b6747abc
112 lines
3.2 KiB
VimL
112 lines
3.2 KiB
VimL
" Test editing line in Ex mode (see :help Q and :help gQ).
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source check.vim
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source shared.vim
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" Helper function to test editing line in Q Ex mode
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func Ex_Q(cmd)
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" Is there a simpler way to test editing Ex line?
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call feedkeys("Q"
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\ .. "let s:test_ex =<< END\<CR>"
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\ .. a:cmd .. "\<CR>"
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\ .. "END\<CR>"
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\ .. "visual\<CR>", 'tx')
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return s:test_ex[0]
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endfunc
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" Helper function to test editing line in gQ Ex mode
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func Ex_gQ(cmd)
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call feedkeys("gQ" .. a:cmd .. "\<C-b>\"\<CR>", 'tx')
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let ret = @:[1:] " Remove leading quote.
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call feedkeys("visual\<CR>", 'tx')
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return ret
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endfunc
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" Helper function to test editing line with both Q and gQ Ex mode.
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func Ex(cmd)
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return [Ex_Q(a:cmd), Ex_gQ(a:cmd)]
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endfunc
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" Test editing line in Ex mode (both Q and gQ)
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func Test_ex_mode()
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throw 'skipped: TODO: '
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let encoding_save = &encoding
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set sw=2
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" for e in ['utf8', 'latin1']
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for e in ['utf8']
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exe 'set encoding=' . e
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call assert_equal(['bar', 'bar'], Ex("foo bar\<C-u>bar"), e)
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call assert_equal(["1\<C-u>2", "1\<C-u>2"], Ex("1\<C-v>\<C-u>2"), e)
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call assert_equal(["1\<C-b>2\<C-e>3", '213'], Ex("1\<C-b>2\<C-e>3"), e)
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call assert_equal(['0123', '2013'], Ex("01\<Home>2\<End>3"), e)
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call assert_equal(['0123', '0213'], Ex("01\<Left>2\<Right>3"), e)
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call assert_equal(['01234', '0342'], Ex("012\<Left>\<Left>\<Insert>3\<Insert>4"), e)
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call assert_equal(["foo bar\<C-w>", 'foo '], Ex("foo bar\<C-w>"), e)
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call assert_equal(['foo', 'foo'], Ex("fooba\<Del>\<Del>"), e)
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call assert_equal(["foo\tbar", 'foobar'], Ex("foo\<Tab>bar"), e)
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call assert_equal(["abbrev\t", 'abbreviate'], Ex("abbrev\<Tab>"), e)
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call assert_equal([' 1', "1\<C-t>\<C-t>"], Ex("1\<C-t>\<C-t>"), e)
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call assert_equal([' 1', "1\<C-t>\<C-t>"], Ex("1\<C-t>\<C-t>\<C-d>"), e)
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call assert_equal([' foo', ' foo'], Ex(" foo\<C-d>"), e)
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call assert_equal(['foo', ' foo0'], Ex(" foo0\<C-d>"), e)
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call assert_equal(['foo', ' foo^'], Ex(" foo^\<C-d>"), e)
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endfor
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set sw&
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let &encoding = encoding_save
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endfunc
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func Test_ex_mode_errors()
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" Not allowed to enter ex mode when text is locked
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au InsertCharPre <buffer> normal! gQ<CR>
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let caught_e523 = 0
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try
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call feedkeys("ix\<esc>", 'xt')
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catch /^Vim\%((\a\+)\)\=:E523/ " catch E523
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let caught_e523 = 1
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endtry
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call assert_equal(1, caught_e523)
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au! InsertCharPre
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new
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au CmdLineEnter * call ExEnterFunc()
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func ExEnterFunc()
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endfunc
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call feedkeys("gQvi\r", 'xt')
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au! CmdLineEnter
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delfunc ExEnterFunc
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quit
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endfunc
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func Test_ex_mode_count_overflow()
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" this used to cause a crash
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let lines =<< trim END
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call feedkeys("\<Esc>gQ\<CR>")
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v9|9silent! vi|333333233333y32333333%O
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call writefile(['done'], 'Xdidexmode')
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qall!
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END
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call writefile(lines, 'Xexmodescript')
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call assert_equal(1, RunVim([], [], '-e -s -S Xexmodescript -c qa'))
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call assert_equal(['done'], readfile('Xdidexmode'))
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call delete('Xdidexmode')
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call delete('Xexmodescript')
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endfunc
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func Test_ex_mode_large_indent()
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new
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set ts=500 ai
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call setline(1, "\t")
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exe "normal gQi\<CR>."
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set ts=8 noai
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bwipe!
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endfunc
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" vim: shiftwidth=2 sts=2 expandtab
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