1 files changed, 226 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_signs.vim b/src/nvim/testdir/test_signs.vim
new file mode 100644
index 0000000000..3960177acd
--- /dev/null
+++ b/src/nvim/testdir/test_signs.vim
@@ -0,0 +1,226 @@
+" Test for signs
+
+if !has('signs')
+  finish
+endif
+
+func Test_sign()
+  new
+  call setline(1, ['a', 'b', 'c', 'd'])
+
+  " Define some signs.
+  " We can specify icons even if not all versions of vim support icons as
+  " icon is ignored when not supported.  "(not supported)" is shown after
+  " the icon name when listing signs.
+  sign define Sign1 text=x
+  try
+    sign define Sign2 text=xy texthl=Title linehl=Error numhl=Number icon=../../pixmaps/stock_vim_find_help.png
+  catch /E255:/
+    " ignore error: E255: Couldn't read in sign data!
+    " This error can happen when running in gui.
+    " Some gui like Motif do not support the png icon format.
+  endtry
+
+  " Test listing signs.
+  let a=execute('sign list')
+  call assert_match("^\nsign Sign1 text=x \nsign Sign2 icon=../../pixmaps/stock_vim_find_help.png .*text=xy linehl=Error texthl=Title numhl=Number$", a)
+
+  let a=execute('sign list Sign1')
+  call assert_equal("\nsign Sign1 text=x ", a)
+
+  " Split the window to the bottom to verify sign jump will stay in the current window
+  " if the buffer is displayed there.
+  let bn = bufnr('%')
+  let wn = winnr()
+  exe 'sign place 41 line=3 name=Sign1 buffer=' . bn 
+  1
+  bot split
+  exe 'sign jump 41 buffer=' . bufnr('%')
+  call assert_equal('c', getline('.'))
+  call assert_equal(3, winnr())
+  call assert_equal(bn, bufnr('%'))
+  call assert_notequal(wn, winnr())
+
+  " Create a new buffer and check that ":sign jump" switches to the old buffer.
+  1
+  new foo
+  call assert_notequal(bn, bufnr('%'))
+  exe 'sign jump 41 buffer=' . bn
+  call assert_equal(bn, bufnr('%'))
+  call assert_equal('c', getline('.'))
+
+  " Redraw to make sure that screen redraw with sign gets exercised,
+  " with and without 'rightleft'.
+  if has('rightleft')
+    set rightleft
+    redraw
+    set norightleft
+  endif
+  redraw
+
+  " Check that we can't change sign.
+  call assert_fails("exe 'sign place 40 name=Sign1 buffer=' . bufnr('%')", 'E885:')
+
+  " Check placed signs
+  let a=execute('sign place')
+  call assert_equal("\n--- Signs ---\nSigns for [NULL]:\n    line=3  id=41  name=Sign1\n", a)
+
+  " Unplace the sign and try jumping to it again should fail.
+  sign unplace 41
+  1
+  call assert_fails("exe 'sign jump 41 buffer=' . bufnr('%')", 'E157:')
+  call assert_equal('a', getline('.'))
+
+  " Unplace sign on current line.
+  exe 'sign place 42 line=4 name=Sign2 buffer=' . bufnr('%')
+  4
+  sign unplace
+  let a=execute('sign place')
+  call assert_equal("\n--- Signs ---\n", a)
+  
+  " Try again to unplace sign on current line, it should fail this time.
+  call assert_fails('sign unplace', 'E159:')
+
+  " Unplace all signs.
+  exe 'sign place 41 line=3 name=Sign1 buffer=' . bufnr('%')
+  sign unplace *
+  let a=execute('sign place')
+  call assert_equal("\n--- Signs ---\n", a)
+
+  " Check :jump with file=...
+  edit foo
+  call setline(1, ['A', 'B', 'C', 'D'])
+
+  try
+    sign define Sign3 text=y texthl=DoesNotExist linehl=DoesNotExist icon=doesnotexist.xpm
+  catch /E255:/
+    " ignore error: E255: it can happens for guis.
+  endtry
+
+  let fn = expand('%:p')
+  exe 'sign place 43 line=2 name=Sign3 file=' . fn
+  edit bar
+  call assert_notequal(fn, expand('%:p'))
+  exe 'sign jump 43 file=' . fn
+  call assert_equal('B', getline('.'))
+
+  " can't define a sign with a non-printable character as text
+  call assert_fails("sign define Sign4 text=\e linehl=Comment", 'E239:')
+  call assert_fails("sign define Sign4 text=a\e linehl=Comment", 'E239:')
+  call assert_fails("sign define Sign4 text=\ea linehl=Comment", 'E239:')
+
+  " Only 1 or 2 character text is allowed
+  call assert_fails("sign define Sign4 text=abc linehl=Comment", 'E239:')
+  call assert_fails("sign define Sign4 text= linehl=Comment", 'E239:')
+  call assert_fails("sign define Sign4 text=\ ab  linehl=Comment", 'E239:')
+
+  " define sign with whitespace
+  sign define Sign4 text=\ X linehl=Comment
+  sign undefine Sign4
+  sign define Sign4 linehl=Comment text=\ X
+  sign undefine Sign4
+
+  sign define Sign5 text=X\  linehl=Comment
+  sign undefine Sign5
+  sign define Sign5 linehl=Comment text=X\ 
+  sign undefine Sign5
+
+  " define sign with backslash
+  sign define Sign4 text=\\\\ linehl=Comment
+  sign undefine Sign4
+  sign define Sign4 text=\\ linehl=Comment
+  sign undefine Sign4
+
+  " After undefining the sign, we should no longer be able to place it.
+  sign undefine Sign1
+  sign undefine Sign2
+  sign undefine Sign3
+  call assert_fails("exe 'sign place 41 line=3 name=Sign1 buffer=' . bufnr('%')", 'E155:')
+endfunc
+
+" Undefining placed sign is not recommended.
+" Quoting :help sign
+"
+" :sign undefine {name}
+"                Deletes a previously defined sign.  If signs with this {name}
+"                are still placed this will cause trouble.
+func Test_sign_undefine_still_placed()
+  new foobar
+  sign define Sign text=x
+  exe 'sign place 41 line=1 name=Sign buffer=' . bufnr('%')
+  sign undefine Sign
+
+  " Listing placed sign should show that sign is deleted.
+  let a=execute('sign place')
+  call assert_equal("\n--- Signs ---\nSigns for foobar:\n    line=1  id=41  name=[Deleted]\n", a)
+
+  sign unplace 41
+  let a=execute('sign place')
+  call assert_equal("\n--- Signs ---\n", a)
+endfunc
+
+func Test_sign_completion()
+  sign define Sign1 text=x
+  sign define Sign2 text=y
+
+  call feedkeys(":sign \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign define jump list place undefine unplace', @:)
+
+  call feedkeys(":sign define Sign \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign define Sign icon= linehl= numhl= text= texthl=', @:)
+
+  call feedkeys(":sign define Sign linehl=Spell\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign define Sign linehl=SpellBad SpellCap SpellLocal SpellRare', @:)
+
+  call writefile(['foo'], 'XsignOne')
+  call writefile(['bar'], 'XsignTwo')
+  call feedkeys(":sign define Sign icon=Xsig\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign define Sign icon=XsignOne XsignTwo', @:)
+  call delete('XsignOne')
+  call delete('XsignTwo')
+
+  call feedkeys(":sign undefine \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign undefine Sign1 Sign2', @:)
+
+  call feedkeys(":sign place 1 \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign place 1 buffer= file= line= name=', @:)
+
+  call feedkeys(":sign place 1 name=\<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign place 1 name=Sign1 Sign2', @:)
+
+  call feedkeys(":sign unplace 1 \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign unplace 1 buffer= file=', @:)
+
+  call feedkeys(":sign list \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign list Sign1 Sign2', @:)
+
+  call feedkeys(":sign jump 1 \<C-A>\<C-B>\"\<CR>", 'tx')
+  call assert_equal('"sign jump 1 buffer= file=', @:)
+
+  sign undefine Sign1
+  sign undefine Sign2
+endfunc
+
+func Test_sign_invalid_commands()
+  call assert_fails('sign', 'E471:')
+  call assert_fails('sign jump', 'E471:')
+  call assert_fails('sign xxx', 'E160:')
+  call assert_fails('sign define', 'E156:')
+  call assert_fails('sign define Sign1 xxx', 'E475:')
+  call assert_fails('sign undefine', 'E156:')
+  call assert_fails('sign list xxx', 'E155:')
+  call assert_fails('sign place 1 buffer=999', 'E158:')
+  call assert_fails('sign define Sign2 text=', 'E239:')
+endfunc
+
+func Test_sign_delete_buffer()
+  new
+  sign define Sign text=x
+  let bufnr = bufnr('%')
+  new
+  exe 'bd ' . bufnr
+  exe 'sign place 61 line=3 name=Sign buffer=' . bufnr
+  call assert_fails('sign jump 61 buffer=' . bufnr, 'E934:')
+  sign unplace 61
+  sign undefine Sign
+endfunc