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-rw-r--r--src/testdir/test_fileformat.vim327
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diff --git a/src/testdir/test_fileformat.vim b/src/testdir/test_fileformat.vim
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+" Test for 'fileformat'
+
+source shared.vim
+
+" Test behavior of fileformat after bwipeout of last buffer
+func Test_fileformat_after_bw()
+ bwipeout
+ set fileformat&
+ if &fileformat == 'dos'
+ let test_fileformats = 'unix'
+ elseif &fileformat == 'unix'
+ let test_fileformats = 'mac'
+ else " must be mac
+ let test_fileformats = 'dos'
+ endif
+ exec 'set fileformats='.test_fileformats
+ bwipeout!
+ call assert_equal(test_fileformats, &fileformat)
+ set fileformats&
+endfunc
+
+func Test_fileformat_autocommand()
+ let filecnt = ["", "foobar\<CR>", "eins\<CR>", "\<CR>", "zwei\<CR>", "drei", "vier", "fünf", ""]
+ let ffs = &ffs
+ call writefile(filecnt, 'Xffafile', 'bD')
+ au BufReadPre Xffafile set ffs=dos ff=dos
+ new Xffafile
+ call assert_equal('dos', &l:ff)
+ call assert_equal('dos', &ffs)
+
+ " cleanup
+ let &ffs = ffs
+ au! BufReadPre Xffafile
+ bw!
+endfunc
+
+func Test_fileformat_nomodifiable()
+ new
+ setlocal nomodifiable
+
+ call assert_fails('set fileformat=latin1', 'E21:')
+
+ bw
+endfunc
+
+" Convert the contents of a file into a literal string
+func s:file2str(fname)
+ let b = readfile(a:fname, 'B')
+ let s = ''
+ for c in b
+ let s .= nr2char(c)
+ endfor
+ return s
+endfunc
+
+" Concatenate the contents of files 'f1' and 'f2' and create 'destfile'
+func s:concat_files(f1, f2, destfile)
+ let b1 = readfile(a:f1, 'B')
+ let b2 = readfile(a:f2, 'B')
+ let b3 = b1 + b2
+ call writefile(b3, a:destfile, 'B')
+endfun
+
+" Test for a lot of variations of the 'fileformats' option
+func Test_fileformats()
+ " create three test files, one in each format
+ call writefile(['unix', 'unix'], 'XXUnix', 'D')
+ call writefile(["dos\r", "dos\r"], 'XXDos', 'D')
+ call writefile(["mac\rmac\r"], 'XXMac', 'bD')
+ " create a file with no End Of Line
+ call writefile(["noeol"], 'XXEol', 'bD')
+ " create mixed format files
+ call s:concat_files('XXUnix', 'XXDos', 'XXUxDs')
+ call s:concat_files('XXUnix', 'XXMac', 'XXUxMac')
+ call s:concat_files('XXDos', 'XXMac', 'XXDosMac')
+ call s:concat_files('XXMac', 'XXEol', 'XXMacEol')
+ call s:concat_files('XXUxDs', 'XXMac', 'XXUxDsMc')
+
+ " The :bwipe commands below cause us to get back to the current buffer.
+ " Avoid stray errors for various 'fileformat' values which may cause a
+ " modeline to be misinterpreted by wiping the buffer and editing a new one.
+ only!
+ bwipe!
+ enew
+
+ " Test 1: try reading and writing with 'fileformats' empty
+ set fileformats=
+
+ " try with 'fileformat' set to 'unix'
+ set fileformat=unix
+ e! XXUnix
+ w! Xtest
+ call assert_equal("unix\nunix\n", s:file2str('Xtest'))
+ e! XXDos
+ w! Xtest
+ call assert_equal("dos\r\ndos\r\n", s:file2str('Xtest'))
+ e! XXMac
+ w! Xtest
+ call assert_equal("mac\rmac\r\n", s:file2str('Xtest'))
+ bwipe XXUnix XXDos XXMac
+
+ " try with 'fileformat' set to 'dos'
+ set fileformat=dos
+ e! XXUnix
+ w! Xtest
+ call assert_equal("unix\r\nunix\r\n", s:file2str('Xtest'))
+ e! XXDos
+ w! Xtest
+ call assert_equal("dos\r\ndos\r\n", s:file2str('Xtest'))
+ e! XXMac
+ w! Xtest
+ call assert_equal("mac\rmac\r\r\n", s:file2str('Xtest'))
+ bwipe XXUnix XXDos XXMac
+
+ " try with 'fileformat' set to 'mac'
+ set fileformat=mac
+ e! XXUnix
+ w! Xtest
+ call assert_equal("unix\nunix\n\r", s:file2str('Xtest'))
+ e! XXDos
+ w! Xtest
+ call assert_equal("dos\r\ndos\r\n\r", s:file2str('Xtest'))
+ e! XXMac
+ w! Xtest
+ call assert_equal("mac\rmac\r", s:file2str('Xtest'))
+ bwipe XXUnix XXDos XXMac
+
+ " Test 2: try reading and writing with 'fileformats' set to one format
+
+ " try with 'fileformats' set to 'unix'
+ set fileformats=unix
+ e! XXUxDsMc
+ w! Xtest
+ call assert_equal("unix\nunix\ndos\r\ndos\r\nmac\rmac\r\n",
+ \ s:file2str('Xtest'))
+ bwipe XXUxDsMc
+
+ " try with 'fileformats' set to 'dos'
+ set fileformats=dos
+ e! XXUxDsMc
+ w! Xtest
+ call assert_equal("unix\r\nunix\r\ndos\r\ndos\r\nmac\rmac\r\r\n",
+ \ s:file2str('Xtest'))
+ bwipe XXUxDsMc
+
+ " try with 'fileformats' set to 'mac'
+ set fileformats=mac
+ e! XXUxDsMc
+ w! Xtest
+ call assert_equal("unix\nunix\ndos\r\ndos\r\nmac\rmac\r",
+ \ s:file2str('Xtest'))
+ bwipe XXUxDsMc
+
+ " Test 3: try reading and writing with 'fileformats' set to two formats
+
+ " try with 'fileformats' set to 'unix,dos'
+ set fileformats=unix,dos
+ e! XXUxDsMc
+ w! Xtest
+ call assert_equal("unix\nunix\ndos\r\ndos\r\nmac\rmac\r\n",
+ \ s:file2str('Xtest'))
+ bwipe XXUxDsMc
+
+ e! XXUxMac
+ w! Xtest
+ call assert_equal("unix\nunix\nmac\rmac\r\n", s:file2str('Xtest'))
+ bwipe XXUxMac
+
+ e! XXDosMac
+ w! Xtest
+ call assert_equal("dos\r\ndos\r\nmac\rmac\r\r\n", s:file2str('Xtest'))
+ bwipe XXDosMac
+
+ " try with 'fileformats' set to 'unix,mac'
+ set fileformats=unix,mac
+ e! XXUxDs
+ w! Xtest
+ call assert_equal("unix\nunix\ndos\r\ndos\r\n", s:file2str('Xtest'))
+ bwipe XXUxDs
+
+ e! XXUxDsMc
+ w! Xtest
+ call assert_equal("unix\nunix\ndos\r\ndos\r\nmac\rmac\r\n",
+ \ s:file2str('Xtest'))
+ bwipe XXUxDsMc
+
+ e! XXDosMac
+ w! Xtest
+ call assert_equal("dos\r\ndos\r\nmac\rmac\r", s:file2str('Xtest'))
+ bwipe XXDosMac
+
+ e! XXEol
+ exe "normal ggO\<C-R>=&ffs\<CR>:\<C-R>=&ff\<CR>"
+ w! Xtest
+ call assert_equal("unix,mac:unix\nnoeol\n", s:file2str('Xtest'))
+ bwipe! XXEol
+
+ " try with 'fileformats' set to 'dos,mac'
+ set fileformats=dos,mac
+ e! XXUxDs
+ w! Xtest
+ call assert_equal("unix\r\nunix\r\ndos\r\ndos\r\n", s:file2str('Xtest'))
+ bwipe XXUxDs
+
+ e! XXUxMac
+ exe "normal ggO\<C-R>=&ffs\<CR>:\<C-R>=&ff\<CR>"
+ w! Xtest
+ call assert_equal("dos,mac:dos\r\nunix\r\nunix\r\nmac\rmac\r\r\n",
+ \ s:file2str('Xtest'))
+ bwipe! XXUxMac
+
+ e! XXUxDsMc
+ w! Xtest
+ call assert_equal("unix\r\nunix\r\ndos\r\ndos\r\nmac\rmac\r\r\n",
+ \ s:file2str('Xtest'))
+ bwipe XXUxDsMc
+
+ e! XXMacEol
+ exe "normal ggO\<C-R>=&ffs\<CR>:\<C-R>=&ff\<CR>"
+ w! Xtest
+ call assert_equal("dos,mac:mac\rmac\rmac\rnoeol\r", s:file2str('Xtest'))
+ bwipe! XXMacEol
+
+ " Test 4: try reading and writing with 'fileformats' set to three formats
+ set fileformats=unix,dos,mac
+ e! XXUxDsMc
+ w! Xtest
+ call assert_equal("unix\nunix\ndos\r\ndos\r\nmac\rmac\r\n",
+ \ s:file2str('Xtest'))
+ bwipe XXUxDsMc
+
+ e! XXEol
+ exe "normal ggO\<C-R>=&ffs\<CR>:\<C-R>=&ff\<CR>"
+ w! Xtest
+ call assert_equal("unix,dos,mac:unix\nnoeol\n", s:file2str('Xtest'))
+ bwipe! XXEol
+
+ set fileformats=mac,dos,unix
+ e! XXUxDsMc
+ w! Xtest
+ call assert_equal("unix\nunix\ndos\r\ndos\r\nmac\rmac\r\n",
+ \ s:file2str('Xtest'))
+ bwipe XXUxDsMc
+
+ e! XXEol
+ exe "normal ggO\<C-R>=&ffs\<CR>:\<C-R>=&ff\<CR>"
+ w! Xtest
+ call assert_equal("mac,dos,unix:mac\rnoeol\r", s:file2str('Xtest'))
+ bwipe! XXEol
+
+ " Test 5: try with 'binary' set
+ set fileformats=mac,unix,dos
+ set binary
+ e! XXUxDsMc
+ w! Xtest
+ call assert_equal("unix\nunix\ndos\r\ndos\r\nmac\rmac\r",
+ \ s:file2str('Xtest'))
+ bwipe XXUxDsMc
+
+ set fileformats=mac
+ e! XXUxDsMc
+ w! Xtest
+ call assert_equal("unix\nunix\ndos\r\ndos\r\nmac\rmac\r",
+ \ s:file2str('Xtest'))
+ bwipe XXUxDsMc
+
+ set fileformats=dos
+ e! XXUxDsMc
+ w! Xtest
+ call assert_equal("unix\nunix\ndos\r\ndos\r\nmac\rmac\r",
+ \ s:file2str('Xtest'))
+ bwipe XXUxDsMc
+
+ e! XXUnix
+ w! Xtest
+ call assert_equal("unix\nunix\n", s:file2str('Xtest'))
+ bwipe! XXUnix
+
+ set nobinary ff& ffs&
+
+ " cleanup
+ only
+ %bwipe!
+ call delete('XXUxDs')
+ call delete('XXUxMac')
+ call delete('XXDosMac')
+ call delete('XXMacEol')
+ call delete('XXUxDsMc')
+ call delete('Xtest')
+endfunc
+
+" Test for changing the fileformat using ++read
+func Test_fileformat_plusplus_read()
+ new
+ call setline(1, ['one', 'two', 'three'])
+ w ++ff=dos Xfile1
+ enew!
+ set ff=unix
+ " A :read doesn't change the fileformat, but does apply to the read lines.
+ r ++fileformat=unix Xfile1
+ call assert_equal('unix', &fileformat)
+ call assert_equal("three\r", getline('$'))
+ 3r ++edit Xfile1
+ call assert_equal('dos', &fileformat)
+ close!
+ call delete('Xfile1')
+ set fileformat&
+ call assert_fails('e ++fileformat Xfile1', 'E474:')
+ call assert_fails('e ++ff=abc Xfile1', 'E474:')
+ call assert_fails('e ++abc1 Xfile1', 'E474:')
+endfunc
+
+" When Vim starts up with an empty buffer the first item in 'fileformats' is
+" used as the 'fileformat'.
+func Test_fileformat_on_startup()
+ let after =<< trim END
+ call writefile([&fileformat], 'Xonsfile', 'a')
+ quit
+ END
+ call RunVim(["set ffs=dos,unix,mac"], after, '')
+ call RunVim(["set ffs=mac,dos,unix"], after, '')
+ call RunVim(["set ffs=unix,mac,dos"], after, '')
+ call assert_equal(['dos', 'mac', 'unix'], readfile('Xonsfile'))
+ call delete('Xonsfile')
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab