Adding upstream version 2:8.1.0875.upstream/2%8.1.0875upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1340 insertions, 0 deletions

diff --git a/src/testdir/test_signs.vim b/src/testdir/test_signs.vim
new file mode 100644
index 0000000..49bd986
--- /dev/null
+++ b/src/testdir/test_signs.vim
@@ -0,0 +1,1340 @@
+" 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
+		\ 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 the 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$', 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("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  priority=10\n", a)
+
+  " Unplace the sign and try jumping to it again should fail.
+  sign unplace 41
+  1
+  call assert_fails("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)
+
+  " Place a sign without specifying the filename or buffer
+  sign place 77 line=9 name=Sign2
+  let a=execute('sign place')
+  call assert_equal("\n--- Signs ---\nSigns for [NULL]:\n" .
+		\ "    line=9  id=77  name=Sign2  priority=10\n", a)
+  sign unplace *
+
+  " 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('.'))
+
+  " Check for jumping to a sign in a hidden buffer
+  enew! | only!
+  edit foo
+  call setline(1, ['A', 'B', 'C', 'D'])
+  let fn = expand('%:p')
+  exe 'sign place 21 line=3 name=Sign3 file=' . fn
+  hide edit bar
+  exe 'sign jump 21 file=' . fn
+  call assert_equal('C', 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
+
+  " define a sign with a leading 0 in the name
+  sign unplace *
+  sign define 004 text=#> linehl=Comment
+  let a = execute('sign list 4')
+  call assert_equal("\nsign 4 text=#> linehl=Comment", a)
+  exe 'sign place 20 line=3 name=004 buffer=' . bufnr('')
+  let a = execute('sign place')
+  call assert_equal("\n--- Signs ---\nSigns for foo:\n" .
+		\ "    line=3  id=20  name=4  priority=10\n", a)
+  exe 'sign unplace 20 buffer=' . bufnr('')
+  sign undefine 004
+  call assert_fails('sign list 4', 'E155:')
+
+  " 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("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]  priority=10\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= 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= group= line= name= priority=',
+	      \ @:)
+
+  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= group=', @:)
+
+  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= group=', @:)
+
+  sign undefine Sign1
+  sign undefine Sign2
+endfunc
+
+func Test_sign_invalid_commands()
+  sign define Sign1 text=x
+
+  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 place 1 name=Sign1 buffer=999', 'E158:')
+  call assert_fails('sign place buffer=999', 'E158:')
+  call assert_fails('sign jump buffer=999', 'E158:')
+  call assert_fails('sign jump 1 file=', 'E158:')
+  call assert_fails('sign jump 1 group=', 'E474:')
+  call assert_fails('sign jump 1 name=', 'E474:')
+  call assert_fails('sign jump 1 name=Sign1', 'E474:')
+  call assert_fails('sign jump 1 line=100', '474:')
+  call assert_fails('sign define Sign2 text=', 'E239:')
+  " Non-numeric identifier for :sign place
+  call assert_fails("sign place abc line=3 name=Sign1 buffer=" . bufnr(''),
+								\ 'E474:')
+  " Non-numeric identifier for :sign unplace
+  call assert_fails("sign unplace abc name=Sign1 buffer=" . bufnr(''),
+								\ 'E474:')
+  " Number followed by an alphabet as sign identifier for :sign place
+  call assert_fails("sign place 1abc line=3 name=Sign1 buffer=" . bufnr(''),
+								\ 'E474:')
+  " Number followed by an alphabet as sign identifier for :sign unplace
+  call assert_fails("sign unplace 2abc name=Sign1 buffer=" . bufnr(''),
+								\ 'E474:')
+  " Sign identifier and '*' for :sign unplace
+  call assert_fails("sign unplace 2 *", 'E474:')
+  " Trailing characters after buffer number for :sign place
+  call assert_fails("sign place 1 line=3 name=Sign1 buffer=" .
+						\ bufnr('%') . 'xxx', 'E488:')
+  " Trailing characters after buffer number for :sign unplace
+  call assert_fails("sign unplace 1 buffer=" . bufnr('%') . 'xxx', 'E488:')
+  call assert_fails("sign unplace * buffer=" . bufnr('%') . 'xxx', 'E488:')
+  call assert_fails("sign unplace 1 xxx", 'E474:')
+  call assert_fails("sign unplace * xxx", 'E474:')
+  call assert_fails("sign unplace xxx", 'E474:')
+  " Placing a sign without line number
+  call assert_fails("sign place name=Sign1 buffer=" . bufnr('%'), 'E474:')
+  " Placing a sign without sign name
+  call assert_fails("sign place line=10 buffer=" . bufnr('%'), 'E474:')
+  " Unplacing a sign with line number
+  call assert_fails("sign unplace 2 line=10 buffer=" . bufnr('%'), 'E474:')
+  " Unplacing a sign with sign name
+  call assert_fails("sign unplace 2 name=Sign1 buffer=" . bufnr('%'), 'E474:')
+  " Placing a sign without sign name
+  call assert_fails("sign place 2 line=3 buffer=" . bufnr('%'), 'E474:')
+  " Placing a sign with only sign identifier
+  call assert_fails("sign place 2", 'E474:')
+  " Placing a sign with only a name
+  call assert_fails("sign place abc", 'E474:')
+  " Placing a sign with only line number
+  call assert_fails("sign place 5 line=3", 'E474:')
+  " Placing a sign with only sign group
+  call assert_fails("sign place 5 group=g1", 'E474:')
+  call assert_fails("sign place 5 group=*", 'E474:')
+  " Placing a sign with only sign priority
+  call assert_fails("sign place 5 priority=10", 'E474:')
+
+  sign undefine Sign1
+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
+
+" Test for Vim script functions for managing signs
+func Test_sign_funcs()
+  " Remove all the signs
+  call sign_unplace('*')
+  call sign_undefine()
+
+  " Tests for sign_define()
+  let attr = {'text' : '=>', 'linehl' : 'Search', 'texthl' : 'Error'}
+  call assert_equal(0, sign_define("sign1", attr))
+  call assert_equal([{'name' : 'sign1', 'texthl' : 'Error',
+	      \ 'linehl' : 'Search', 'text' : '=>'}], sign_getdefined())
+
+  " Define a new sign without attributes and then update it
+  call sign_define("sign2")
+  let attr = {'text' : '!!', 'linehl' : 'DiffAdd', 'texthl' : 'DiffChange',
+	      \ 'icon' : 'sign2.ico'}
+  try
+    call sign_define("sign2", attr)
+  catch /E255:/
+    " ignore error: E255: Couldn't read in sign data!
+    " This error can happen when running in gui.
+  endtry
+  call assert_equal([{'name' : 'sign2', 'texthl' : 'DiffChange',
+	      \ 'linehl' : 'DiffAdd', 'text' : '!!', 'icon' : 'sign2.ico'}],
+	      \ sign_getdefined("sign2"))
+
+  " Test for a sign name with digits
+  call assert_equal(0, sign_define(0002, {'linehl' : 'StatusLine'}))
+  call assert_equal([{'name' : '2', 'linehl' : 'StatusLine'}],
+	      \ sign_getdefined(0002))
+  call sign_undefine(0002)
+
+  " Tests for invalid arguments to sign_define()
+  call assert_fails('call sign_define("sign4", {"text" : "===>"})', 'E239:')
+  call assert_fails('call sign_define("sign5", {"text" : ""})', 'E239:')
+  call assert_fails('call sign_define([])', 'E730:')
+  call assert_fails('call sign_define("sign6", [])', 'E715:')
+
+  " Tests for sign_getdefined()
+  call assert_equal([], sign_getdefined("none"))
+  call assert_fails('call sign_getdefined({})', 'E731:')
+
+  " Tests for sign_place()
+  call writefile(repeat(["Sun is shining"], 30), "Xsign")
+  edit Xsign
+
+  call assert_equal(10, sign_place(10, '', 'sign1', 'Xsign',
+	      \ {'lnum' : 20}))
+  call assert_equal([{'bufnr' : bufnr(''), 'signs' :
+	      \ [{'id' : 10, 'group' : '', 'lnum' : 20, 'name' : 'sign1',
+	      \ 'priority' : 10}]}], sign_getplaced('Xsign'))
+  call assert_equal([{'bufnr' : bufnr(''), 'signs' :
+	      \ [{'id' : 10, 'group' : '', 'lnum' : 20, 'name' : 'sign1',
+	      \ 'priority' : 10}]}],
+	      \ sign_getplaced('%', {'lnum' : 20}))
+  call assert_equal([{'bufnr' : bufnr(''), 'signs' :
+	      \ [{'id' : 10, 'group' : '', 'lnum' : 20, 'name' : 'sign1',
+	      \ 'priority' : 10}]}],
+	      \ sign_getplaced('', {'id' : 10}))
+
+  " Tests for invalid arguments to sign_place()
+  call assert_fails('call sign_place([], "", "mySign", 1)', 'E745:')
+  call assert_fails('call sign_place(5, "", "mySign", -1)', 'E158:')
+  call assert_fails('call sign_place(-1, "", "sign1", "Xsign", [])',
+	      \ 'E474:')
+  call assert_fails('call sign_place(-1, "", "sign1", "Xsign",
+	      \ {"lnum" : 30})', 'E474:')
+  call assert_fails('call sign_place(10, "", "xsign1x", "Xsign",
+	      \ {"lnum" : 30})', 'E155:')
+  call assert_fails('call sign_place(10, "", "", "Xsign",
+	      \ {"lnum" : 30})', 'E155:')
+  call assert_fails('call sign_place(10, "", [], "Xsign",
+	      \ {"lnum" : 30})', 'E730:')
+  call assert_fails('call sign_place(5, "", "sign1", "abcxyz.xxx",
+	      \ {"lnum" : 10})', 'E158:')
+  call assert_fails('call sign_place(5, "", "sign1", "@", {"lnum" : 10})',
+	      \ 'E158:')
+  call assert_fails('call sign_place(5, "", "sign1", [], {"lnum" : 10})',
+	      \ 'E158:')
+  call assert_fails('call sign_place(21, "", "sign1", "Xsign",
+	      \ {"lnum" : -1})', 'E885:')
+  call assert_fails('call sign_place(22, "", "sign1", "Xsign",
+	      \ {"lnum" : 0})', 'E885:')
+  call assert_fails('call sign_place(22, "", "sign1", "Xsign",
+	      \ {"lnum" : []})', 'E745:')
+  call assert_equal(-1, sign_place(1, "*", "sign1", "Xsign", {"lnum" : 10}))
+
+  " Tests for sign_getplaced()
+  call assert_equal([{'bufnr' : bufnr(''), 'signs' :
+	      \ [{'id' : 10, 'group' : '', 'lnum' : 20, 'name' : 'sign1',
+	      \ 'priority' : 10}]}],
+	      \ sign_getplaced(bufnr('Xsign')))
+  call assert_equal([{'bufnr' : bufnr(''), 'signs' :
+	      \ [{'id' : 10, 'group' : '', 'lnum' : 20, 'name' : 'sign1',
+	      \ 'priority' : 10}]}],
+	      \ sign_getplaced())
+  call assert_fails("call sign_getplaced('dummy.sign')", 'E158:')
+  call assert_fails('call sign_getplaced("&")', 'E158:')
+  call assert_fails('call sign_getplaced(-1)', 'E158:')
+  call assert_fails('call sign_getplaced("Xsign", [])', 'E715:')
+  call assert_equal([{'bufnr' : bufnr(''), 'signs' : []}],
+	      \ sign_getplaced('Xsign', {'lnum' : 1000000}))
+  call assert_fails("call sign_getplaced('Xsign', {'lnum' : []})",
+	      \ 'E745:')
+  call assert_equal([{'bufnr' : bufnr(''), 'signs' : []}],
+	      \ sign_getplaced('Xsign', {'id' : 44}))
+  call assert_fails("call sign_getplaced('Xsign', {'id' : []})",
+	      \ 'E745:')
+
+  " Tests for sign_unplace()
+  call sign_place(20, '', 'sign2', 'Xsign', {"lnum" : 30})
+  call assert_equal(0, sign_unplace('',
+	      \ {'id' : 20, 'buffer' : 'Xsign'}))
+  call assert_equal(-1, sign_unplace('',
+	      \ {'id' : 30, 'buffer' : 'Xsign'}))
+  call sign_place(20, '', 'sign2', 'Xsign', {"lnum" : 30})
+  call assert_fails("call sign_unplace('',
+	      \ {'id' : 20, 'buffer' : 'buffer.c'})", 'E158:')
+  call assert_fails("call sign_unplace('',
+	      \ {'id' : 20, 'buffer' : '&'})", 'E158:')
+  call assert_fails("call sign_unplace('g1',
+	      \ {'id' : 20, 'buffer' : 200})", 'E158:')
+  call assert_fails("call sign_unplace('g1', 'mySign')", 'E715:')
+
+  " Tests for sign_undefine()
+  call assert_equal(0, sign_undefine("sign1"))
+  call assert_equal([], sign_getdefined("sign1"))
+  call assert_fails('call sign_undefine("none")', 'E155:')
+  call assert_fails('call sign_undefine([])', 'E730:')
+
+  call delete("Xsign")
+  call sign_unplace('*')
+  call sign_undefine()
+  enew | only
+endfunc
+
+" Tests for sign groups
+func Test_sign_group()
+  enew | only
+  " Remove all the signs
+  call sign_unplace('*')
+  call sign_undefine()
+
+  call writefile(repeat(["Sun is shining"], 30), "Xsign")
+
+  let attr = {'text' : '=>', 'linehl' : 'Search', 'texthl' : 'Error'}
+  call assert_equal(0, sign_define("sign1", attr))
+
+  edit Xsign
+  let bnum = bufnr('%')
+
+  " Error case
+  call assert_fails("call sign_place(5, [], 'sign1', 'Xsign',
+	      \ {'lnum' : 30})", 'E730:')
+
+  " place three signs with the same identifier. One in the global group and
+  " others in the named groups
+  call assert_equal(5, sign_place(5, '', 'sign1', 'Xsign',
+	      \ {'lnum' : 10}))
+  call assert_equal(5, sign_place(5, 'g1', 'sign1', bnum, {'lnum' : 20}))
+  call assert_equal(5, sign_place(5, 'g2', 'sign1', bnum, {'lnum' : 30}))
+
+  " Test for sign_getplaced() with group
+  let s = sign_getplaced('Xsign')
+  call assert_equal(1, len(s[0].signs))
+  call assert_equal(s[0].signs[0].group, '')
+  let s = sign_getplaced(bnum, {'group' : ''})
+  call assert_equal([{'id' : 5, 'group' : '', 'name' : 'sign1', 'lnum' : 10,
+	      \ 'priority' : 10}], s[0].signs)
+  call assert_equal(1, len(s[0].signs))
+  let s = sign_getplaced(bnum, {'group' : 'g2'})
+  call assert_equal('g2', s[0].signs[0].group)
+  let s = sign_getplaced(bnum, {'group' : 'g3'})
+  call assert_equal([], s[0].signs)
+  let s = sign_getplaced(bnum, {'group' : '*'})
+  call assert_equal([{'id' : 5, 'group' : '', 'name' : 'sign1', 'lnum' : 10,
+	      \ 'priority' : 10},
+	      \ {'id' : 5, 'group' : 'g1', 'name' : 'sign1', 'lnum' : 20,
+	      \  'priority' : 10},
+	      \ {'id' : 5, 'group' : 'g2', 'name' : 'sign1', 'lnum' : 30,
+	      \  'priority' : 10}],
+	      \ s[0].signs)
+
+  " Test for sign_getplaced() with id
+  let s = sign_getplaced(bnum, {'id' : 5})
+  call assert_equal([{'id' : 5, 'group' : '', 'name' : 'sign1', 'lnum' : 10,
+	      \ 'priority' : 10}],
+	      \ s[0].signs)
+  let s = sign_getplaced(bnum, {'id' : 5, 'group' : 'g2'})
+  call assert_equal(
+	      \ [{'id' : 5, 'name' : 'sign1', 'lnum' : 30, 'group' : 'g2',
+	      \ 'priority' : 10}],
+	      \ s[0].signs)
+  let s = sign_getplaced(bnum, {'id' : 5, 'group' : '*'})
+  call assert_equal([{'id' : 5, 'group' : '', 'name' : 'sign1', 'lnum' : 10,
+	      \ 'priority' : 10},
+	      \ {'id' : 5, 'group' : 'g1', 'name' : 'sign1', 'lnum' : 20,
+	      \ 'priority' : 10},
+	      \ {'id' : 5, 'group' : 'g2', 'name' : 'sign1', 'lnum' : 30,
+	      \ 'priority' : 10}],
+	      \ s[0].signs)
+  let s = sign_getplaced(bnum, {'id' : 5, 'group' : 'g3'})
+  call assert_equal([], s[0].signs)
+
+  " Test for sign_getplaced() with lnum
+  let s = sign_getplaced(bnum, {'lnum' : 20})
+  call assert_equal([], s[0].signs)
+  let s = sign_getplaced(bnum, {'lnum' : 20, 'group' : 'g1'})
+  call assert_equal(
+	      \ [{'id' : 5, 'name' : 'sign1', 'lnum' : 20, 'group' : 'g1',
+	      \ 'priority' : 10}],
+	      \ s[0].signs)
+  let s = sign_getplaced(bnum, {'lnum' : 30, 'group' : '*'})
+  call assert_equal(
+	      \ [{'id' : 5, 'name' : 'sign1', 'lnum' : 30, 'group' : 'g2',
+	      \ 'priority' : 10}],
+	      \ s[0].signs)
+  let s = sign_getplaced(bnum, {'lnum' : 40, 'group' : '*'})
+  call assert_equal([], s[0].signs)
+
+  " Error case
+  call assert_fails("call sign_getplaced(bnum, {'group' : []})",
+	      \ 'E730:')
+
+  " Clear the sign in global group
+  call sign_unplace('', {'id' : 5, 'buffer' : bnum})
+  let s = sign_getplaced(bnum, {'group' : '*'})
+  call assert_equal([
+	      \ {'id' : 5, 'name' : 'sign1', 'lnum' : 20, 'group' : 'g1',
+	      \ 'priority' : 10},
+	      \ {'id' : 5, 'name' : 'sign1', 'lnum' : 30, 'group' : 'g2',
+	      \ 'priority' : 10}],
+	      \ s[0].signs)
+
+  " Clear the sign in one of the groups
+  call sign_unplace('g1', {'buffer' : 'Xsign'})
+  let s = sign_getplaced(bnum, {'group' : '*'})
+  call assert_equal([
+	      \ {'id' : 5, 'name' : 'sign1', 'lnum' : 30, 'group' : 'g2',
+	      \ 'priority' : 10}],
+	      \ s[0].signs)
+
+  " Clear all the signs from the buffer
+  call sign_unplace('*', {'buffer' : bnum})
+  call assert_equal([], sign_getplaced(bnum, {'group' : '*'})[0].signs)
+
+  " Clear sign across groups using an identifier
+  call sign_place(25, '', 'sign1', bnum, {'lnum' : 10})
+  call sign_place(25, 'g1', 'sign1', bnum, {'lnum' : 11})
+  call sign_place(25, 'g2', 'sign1', bnum, {'lnum' : 12})
+  call assert_equal(0, sign_unplace('*', {'id' : 25}))
+  call assert_equal([], sign_getplaced(bnum, {'group' : '*'})[0].signs)
+
+  " Error case
+  call assert_fails("call sign_unplace([])", 'E474:')
+
+  " Place a sign in the global group and try to delete it using a group
+  call assert_equal(5, sign_place(5, '', 'sign1', bnum, {'lnum' : 10}))
+  call assert_equal(-1, sign_unplace('g1', {'id' : 5}))
+
+  " Place signs in multiple groups and delete all the signs in one of the
+  " group
+  call assert_equal(5, sign_place(5, '', 'sign1', bnum, {'lnum' : 10}))
+  call assert_equal(6, sign_place(6, '', 'sign1', bnum, {'lnum' : 11}))
+  call assert_equal(5, sign_place(5, 'g1', 'sign1', bnum, {'lnum' : 10}))
+  call assert_equal(5, sign_place(5, 'g2', 'sign1', bnum, {'lnum' : 10}))
+  call assert_equal(6, sign_place(6, 'g1', 'sign1', bnum, {'lnum' : 11}))
+  call assert_equal(6, sign_place(6, 'g2', 'sign1', bnum, {'lnum' : 11}))
+  call assert_equal(0, sign_unplace('g1'))
+  let s = sign_getplaced(bnum, {'group' : 'g1'})
+  call assert_equal([], s[0].signs)
+  let s = sign_getplaced(bnum)
+  call assert_equal(2, len(s[0].signs))
+  let s = sign_getplaced(bnum, {'group' : 'g2'})
+  call assert_equal('g2', s[0].signs[0].group)
+  call assert_equal(0, sign_unplace('', {'id' : 5}))
+  call assert_equal(0, sign_unplace('', {'id' : 6}))
+  let s = sign_getplaced(bnum, {'group' : 'g2'})
+  call assert_equal('g2', s[0].signs[0].group)
+  call assert_equal(0, sign_unplace('', {'buffer' : bnum}))
+
+  call sign_unplace('*')
+
+  " Test for :sign command and groups
+  sign place 5 line=10 name=sign1 file=Xsign
+  sign place 5 group=g1 line=10 name=sign1 file=Xsign
+  sign place 5 group=g2 line=10 name=sign1 file=Xsign
+
+  " Tests for the ':sign place' command
+
+  " :sign place file={fname}
+  let a = execute('sign place file=Xsign')
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n" .
+	      \ "    line=10  id=5  name=sign1  priority=10\n", a)
+
+  " :sign place group={group} file={fname}
+  let a = execute('sign place group=g2 file=Xsign')
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n" .
+	      \ "    line=10  id=5  group=g2  name=sign1  priority=10\n", a)
+
+  " :sign place group=* file={fname}
+  let a = execute('sign place group=* file=Xsign')
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n" .
+	      \ "    line=10  id=5  group=g2  name=sign1  priority=10\n" .
+	      \ "    line=10  id=5  group=g1  name=sign1  priority=10\n" .
+	      \ "    line=10  id=5  name=sign1  priority=10\n", a)
+
+  " Error case: non-existing group
+  let a = execute('sign place group=xyz file=Xsign')
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n", a)
+
+  call sign_unplace('*')
+  let bnum = bufnr('Xsign')
+  exe 'sign place 5 line=10 name=sign1 buffer=' . bnum
+  exe 'sign place 5 group=g1 line=11 name=sign1 buffer=' . bnum
+  exe 'sign place 5 group=g2 line=12 name=sign1 buffer=' . bnum
+
+  " :sign place buffer={fname}
+  let a = execute('sign place buffer=' . bnum)
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n" .
+	      \ "    line=10  id=5  name=sign1  priority=10\n", a)
+
+  " :sign place group={group} buffer={fname}
+  let a = execute('sign place group=g2 buffer=' . bnum)
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n" .
+	      \ "    line=12  id=5  group=g2  name=sign1  priority=10\n", a)
+
+  " :sign place group=* buffer={fname}
+  let a = execute('sign place group=* buffer=' . bnum)
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n" .
+	      \ "    line=10  id=5  name=sign1  priority=10\n" .
+	      \ "    line=11  id=5  group=g1  name=sign1  priority=10\n" .
+	      \ "    line=12  id=5  group=g2  name=sign1  priority=10\n", a)
+
+  " Error case: non-existing group
+  let a = execute('sign place group=xyz buffer=' . bnum)
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n", a)
+
+  " :sign place
+  let a = execute('sign place')
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n" .
+	      \ "    line=10  id=5  name=sign1  priority=10\n", a)
+
+  " Place signs in more than one buffer and list the signs
+  split foo
+  set buftype=nofile
+  sign place 25 line=76 name=sign1 priority=99 file=foo
+  let a = execute('sign place')
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n" .
+	      \ "    line=10  id=5  name=sign1  priority=10\n" .
+	      \ "Signs for foo:\n" .
+	      \ "    line=76  id=25  name=sign1  priority=99\n", a)
+  close
+  bwipe foo
+
+  " :sign place group={group}
+  let a = execute('sign place group=g1')
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n" .
+	      \ "    line=11  id=5  group=g1  name=sign1  priority=10\n", a)
+
+  " :sign place group=*
+  let a = execute('sign place group=*')
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n" .
+	      \ "    line=10  id=5  name=sign1  priority=10\n" .
+	      \ "    line=11  id=5  group=g1  name=sign1  priority=10\n" .
+	      \ "    line=12  id=5  group=g2  name=sign1  priority=10\n", a)
+
+  " Test for ':sign jump' command with groups
+  sign jump 5 group=g1 file=Xsign
+  call assert_equal(11, line('.'))
+  call assert_equal('Xsign', bufname(''))
+  sign jump 5 group=g2 file=Xsign
+  call assert_equal(12, line('.'))
+
+  " Test for :sign jump command without the filename or buffer
+  sign jump 5
+  call assert_equal(10, line('.'))
+  sign jump 5 group=g1
+  call assert_equal(11, line('.'))
+
+  " Error cases
+  call assert_fails("sign place 3 group= name=sign1 buffer=" . bnum, 'E474:')
+
+  call delete("Xsign")
+  call sign_unplace('*')
+  call sign_undefine()
+  enew | only
+endfunc
+
+" Place signs used for ":sign unplace" command test
+func Place_signs_for_test()
+  call sign_unplace('*')
+
+  sign place 3 line=10 name=sign1 file=Xsign1
+  sign place 3 group=g1 line=11 name=sign1 file=Xsign1
+  sign place 3 group=g2 line=12 name=sign1 file=Xsign1
+  sign place 4 line=15 name=sign1 file=Xsign1
+  sign place 4 group=g1 line=16 name=sign1 file=Xsign1
+  sign place 4 group=g2 line=17 name=sign1 file=Xsign1
+  sign place 5 line=20 name=sign1 file=Xsign2
+  sign place 5 group=g1 line=21 name=sign1 file=Xsign2
+  sign place 5 group=g2 line=22 name=sign1 file=Xsign2
+  sign place 6 line=25 name=sign1 file=Xsign2
+  sign place 6 group=g1 line=26 name=sign1 file=Xsign2
+  sign place 6 group=g2 line=27 name=sign1 file=Xsign2
+endfunc
+
+" Place multiple signs in a single line for test
+func Place_signs_at_line_for_test()
+  call sign_unplace('*')
+  sign place 3 line=13 name=sign1 file=Xsign1
+  sign place 3 group=g1 line=13 name=sign1 file=Xsign1
+  sign place 3 group=g2 line=13 name=sign1 file=Xsign1
+  sign place 4 line=13 name=sign1 file=Xsign1
+  sign place 4 group=g1 line=13 name=sign1 file=Xsign1
+  sign place 4 group=g2 line=13 name=sign1 file=Xsign1
+endfunc
+
+" Tests for the ':sign unplace' command
+func Test_sign_unplace()
+  enew | only
+  " Remove all the signs
+  call sign_unplace('*')
+  call sign_undefine()
+
+  " Create two files and define signs
+  call writefile(repeat(["Sun is shining"], 30), "Xsign1")
+  call writefile(repeat(["It is beautiful"], 30), "Xsign2")
+
+  let attr = {'text' : '=>', 'linehl' : 'Search', 'texthl' : 'Error'}
+  call sign_define("sign1", attr)
+
+  edit Xsign1
+  let bnum1 = bufnr('%')
+  split Xsign2
+  let bnum2 = bufnr('%')
+
+  let signs1 = [{'id' : 3, 'name' : 'sign1', 'lnum' : 10, 'group' : '',
+	      \ 'priority' : 10},
+	      \ {'id' : 3, 'name' : 'sign1', 'lnum' : 11, 'group' : 'g1',
+	      \ 'priority' : 10},
+	      \ {'id' : 3, 'name' : 'sign1', 'lnum' : 12, 'group' : 'g2',
+	      \ 'priority' : 10},
+	      \ {'id' : 4, 'name' : 'sign1', 'lnum' : 15, 'group' : '',
+	      \ 'priority' : 10},
+	      \ {'id' : 4, 'name' : 'sign1', 'lnum' : 16, 'group' : 'g1',
+	      \ 'priority' : 10},
+	      \ {'id' : 4, 'name' : 'sign1', 'lnum' : 17, 'group' : 'g2',
+	      \ 'priority' : 10},]
+  let signs2 = [{'id' : 5, 'name' : 'sign1', 'lnum' : 20, 'group' : '',
+	      \ 'priority' : 10},
+	      \ {'id' : 5, 'name' : 'sign1', 'lnum' : 21, 'group' : 'g1',
+	      \ 'priority' : 10},
+	      \ {'id' : 5, 'name' : 'sign1', 'lnum' : 22, 'group' : 'g2',
+	      \ 'priority' : 10},
+	      \ {'id' : 6, 'name' : 'sign1', 'lnum' : 25, 'group' : '',
+	      \ 'priority' : 10},
+	      \ {'id' : 6, 'name' : 'sign1', 'lnum' : 26, 'group' : 'g1',
+	      \ 'priority' : 10},
+	      \ {'id' : 6, 'name' : 'sign1', 'lnum' : 27, 'group' : 'g2',
+	      \ 'priority' : 10},]
+
+  " Test for :sign unplace {id} file={fname}
+  call Place_signs_for_test()
+  sign unplace 3 file=Xsign1
+  sign unplace 6 file=Xsign2
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 3 || val.group != ''}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.id != 6 || val.group != ''}),
+	      \ sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace {id} group={group} file={fname}
+  call Place_signs_for_test()
+  sign unplace 4 group=g1 file=Xsign1
+  sign unplace 5 group=g2 file=Xsign2
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 4 || val.group != 'g1'}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.id != 5 || val.group != 'g2'}),
+	      \ sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace {id} group=* file={fname}
+  call Place_signs_for_test()
+  sign unplace 3 group=* file=Xsign1
+  sign unplace 6 group=* file=Xsign2
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 3}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.id != 6}),
+	      \ sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace * file={fname}
+  call Place_signs_for_test()
+  sign unplace * file=Xsign1
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.group != ''}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal(signs2, sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace * group={group} file={fname}
+  call Place_signs_for_test()
+  sign unplace * group=g1 file=Xsign1
+  sign unplace * group=g2 file=Xsign2
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.group != 'g1'}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.group != 'g2'}),
+	      \ sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace * group=* file={fname}
+  call Place_signs_for_test()
+  sign unplace * group=* file=Xsign2
+  call assert_equal(signs1, sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal([], sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace {id} buffer={nr}
+  call Place_signs_for_test()
+  exe 'sign unplace 3 buffer=' . bnum1
+  exe 'sign unplace 6 buffer=' . bnum2
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 3 || val.group != ''}),
+	      \ sign_getplaced(bnum1, {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.id != 6 || val.group != ''}),
+	      \ sign_getplaced(bnum2, {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace {id} group={group} buffer={nr}
+  call Place_signs_for_test()
+  exe 'sign unplace 4 group=g1 buffer=' . bnum1
+  exe 'sign unplace 5 group=g2 buffer=' . bnum2
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 4 || val.group != 'g1'}),
+	      \ sign_getplaced(bnum1, {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.id != 5 || val.group != 'g2'}),
+	      \ sign_getplaced(bnum2, {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace {id} group=* buffer={nr}
+  call Place_signs_for_test()
+  exe 'sign unplace 3 group=* buffer=' . bnum1
+  exe 'sign unplace 6 group=* buffer=' . bnum2
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 3}),
+	      \ sign_getplaced(bnum1, {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.id != 6}),
+	      \ sign_getplaced(bnum2, {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace * buffer={nr}
+  call Place_signs_for_test()
+  exe 'sign unplace * buffer=' . bnum1
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.group != ''}),
+	      \ sign_getplaced(bnum1, {'group' : '*'})[0].signs)
+  call assert_equal(signs2, sign_getplaced(bnum2, {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace * group={group} buffer={nr}
+  call Place_signs_for_test()
+  exe 'sign unplace * group=g1 buffer=' . bnum1
+  exe 'sign unplace * group=g2 buffer=' . bnum2
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.group != 'g1'}),
+	      \ sign_getplaced(bnum1, {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.group != 'g2'}),
+	      \ sign_getplaced(bnum2, {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace * group=* buffer={nr}
+  call Place_signs_for_test()
+  exe 'sign unplace * group=* buffer=' . bnum2
+  call assert_equal(signs1, sign_getplaced(bnum1, {'group' : '*'})[0].signs)
+  call assert_equal([], sign_getplaced(bnum2, {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace {id}
+  call Place_signs_for_test()
+  sign unplace 4
+  sign unplace 6
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 4 || val.group != ''}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.id != 6 || val.group != ''}),
+	      \ sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace {id} group={group}
+  call Place_signs_for_test()
+  sign unplace 4 group=g1
+  sign unplace 6 group=g2
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 4 || val.group != 'g1'}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.id != 6 || val.group != 'g2'}),
+	      \ sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace {id} group=*
+  call Place_signs_for_test()
+  sign unplace 3 group=*
+  sign unplace 5 group=*
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 3}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.id != 5}),
+	      \ sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace *
+  call Place_signs_for_test()
+  sign unplace *
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.group != ''}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.group != ''}),
+	      \ sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace * group={group}
+  call Place_signs_for_test()
+  sign unplace * group=g1
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.group != 'g1'}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal(
+	      \ filter(copy(signs2),
+	      \     {idx, val -> val.group != 'g1'}),
+	      \ sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Test for :sign unplace * group=*
+  call Place_signs_for_test()
+  sign unplace * group=*
+  call assert_equal([], sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal([], sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Negative test cases
+  call Place_signs_for_test()
+  sign unplace 3 group=xy file=Xsign1
+  sign unplace * group=xy file=Xsign1
+  silent! sign unplace * group=* file=FileNotPresent
+  call assert_equal(signs1, sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  call assert_equal(signs2, sign_getplaced('Xsign2', {'group' : '*'})[0].signs)
+
+  " Tests for removing sign at the current cursor position
+
+  " Test for ':sign unplace'
+  let signs1 = [{'id' : 4, 'name' : 'sign1', 'lnum' : 13, 'group' : 'g2',
+	      \ 'priority' : 10},
+	      \ {'id' : 4, 'name' : 'sign1', 'lnum' : 13, 'group' : 'g1',
+	      \ 'priority' : 10},
+	      \ {'id' : 4, 'name' : 'sign1', 'lnum' : 13, 'group' : '',
+	      \ 'priority' : 10},
+	      \ {'id' : 3, 'name' : 'sign1', 'lnum' : 13, 'group' : 'g2',
+	      \ 'priority' : 10},
+	      \ {'id' : 3, 'name' : 'sign1', 'lnum' : 13, 'group' : 'g1',
+	      \ 'priority' : 10},
+	      \ {'id' : 3, 'name' : 'sign1', 'lnum' : 13, 'group' : '',
+	      \ 'priority' : 10},]
+  exe bufwinnr('Xsign1') . 'wincmd w'
+  call cursor(13, 1)
+
+  " Should remove only one sign in the global group
+  call Place_signs_at_line_for_test()
+  sign unplace
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 4 || val.group != ''}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  " Should remove the second sign in the global group
+  sign unplace
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.group != ''}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+
+  " Test for ':sign unplace group={group}'
+  call Place_signs_at_line_for_test()
+  " Should remove only one sign in group g1
+  sign unplace group=g1
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 4 || val.group != 'g1'}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  sign unplace group=g2
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 4 || val.group == ''}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+
+  " Test for ':sign unplace group=*'
+  call Place_signs_at_line_for_test()
+  sign unplace group=*
+  sign unplace group=*
+  sign unplace group=*
+  call assert_equal(
+	      \ filter(copy(signs1),
+	      \     {idx, val -> val.id != 4}),
+	      \ sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+  sign unplace group=*
+  sign unplace group=*
+  sign unplace group=*
+  call assert_equal([], sign_getplaced('Xsign1', {'group' : '*'})[0].signs)
+
+  call sign_unplace('*')
+  call sign_undefine()
+  enew | only
+  call delete("Xsign1")
+  call delete("Xsign2")
+endfunc
+
+" Tests for auto-generating the sign identifier
+func Test_sign_id_autogen()
+  enew | only
+  call sign_unplace('*')
+  call sign_undefine()
+
+  let attr = {'text' : '=>', 'linehl' : 'Search', 'texthl' : 'Error'}
+  call assert_equal(0, sign_define("sign1", attr))
+
+  call writefile(repeat(["Sun is shining"], 30), "Xsign")
+  edit Xsign
+
+  call assert_equal(1, sign_place(0, '', 'sign1', 'Xsign',
+	      \ {'lnum' : 10}))
+  call assert_equal(2, sign_place(2, '', 'sign1', 'Xsign',
+	      \ {'lnum' : 12}))
+  call assert_equal(3, sign_place(0, '', 'sign1', 'Xsign',
+	      \ {'lnum' : 14}))
+  call sign_unplace('', {'buffer' : 'Xsign', 'id' : 2})
+  call assert_equal(4, sign_place(0, '', 'sign1', 'Xsign',
+	      \ {'lnum' : 12}))
+
+  call assert_equal(1, sign_place(0, 'g1', 'sign1', 'Xsign',
+	      \ {'lnum' : 11}))
+  " Check for the next generated sign id in this group
+  call assert_equal(2, sign_place(0, 'g1', 'sign1', 'Xsign',
+	      \ {'lnum' : 12}))
+  call assert_equal(0, sign_unplace('g1', {'id' : 1}))
+  call assert_equal(10,
+	      \ sign_getplaced('Xsign', {'id' : 1})[0].signs[0].lnum)
+
+  call delete("Xsign")
+  call sign_unplace('*')
+  call sign_undefine()
+  enew | only
+endfunc
+
+" Test for sign priority
+func Test_sign_priority()
+  enew | only
+  call sign_unplace('*')
+  call sign_undefine()
+
+  let attr = {'text' : '=>', 'linehl' : 'Search', 'texthl' : 'Search'}
+  call sign_define("sign1", attr)
+  call sign_define("sign2", attr)
+  call sign_define("sign3", attr)
+
+  " Place three signs with different priority in the same line
+  call writefile(repeat(["Sun is shining"], 30), "Xsign")
+  edit Xsign
+
+  call sign_place(1, 'g1', 'sign1', 'Xsign',
+	      \ {'lnum' : 11, 'priority' : 50})
+  call sign_place(2, 'g2', 'sign2', 'Xsign',
+	      \ {'lnum' : 11, 'priority' : 100})
+  call sign_place(3, '', 'sign3', 'Xsign', {'lnum' : 11})
+  let s = sign_getplaced('Xsign', {'group' : '*'})
+  call assert_equal([
+	      \ {'id' : 2, 'name' : 'sign2', 'lnum' : 11, 'group' : 'g2',
+	      \ 'priority' : 100},
+	      \ {'id' : 1, 'name' : 'sign1', 'lnum' : 11, 'group' : 'g1',
+	      \ 'priority' : 50},
+	      \ {'id' : 3, 'name' : 'sign3', 'lnum' : 11, 'group' : '',
+	      \ 'priority' : 10}],
+	      \ s[0].signs)
+
+  " Error case
+  call assert_fails("call sign_place(1, 'g1', 'sign1', 'Xsign',
+	      \ [])", 'E715:')
+  call assert_fails("call sign_place(1, 'g1', 'sign1', 'Xsign',
+	      \ {'priority' : []})", 'E745:')
+  call sign_unplace('*')
+
+  " Tests for the :sign place command with priority
+  sign place 5 line=10 name=sign1 priority=30 file=Xsign
+  sign place 5 group=g1 line=10 name=sign1 priority=20 file=Xsign
+  sign place 5 group=g2 line=10 name=sign1 priority=25 file=Xsign
+  let a = execute('sign place group=*')
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n" .
+	      \ "    line=10  id=5  name=sign1  priority=30\n" .
+	      \ "    line=10  id=5  group=g2  name=sign1  priority=25\n" .
+	      \ "    line=10  id=5  group=g1  name=sign1  priority=20\n", a)
+
+  " Test for :sign place group={group}
+  let a = execute('sign place group=g1')
+  call assert_equal("\n--- Signs ---\nSigns for Xsign:\n" .
+	      \ "    line=10  id=5  group=g1  name=sign1  priority=20\n", a)
+
+  call sign_unplace('*')
+  call sign_undefine()
+  enew | only
+  call delete("Xsign")
+endfunc
+
+" Tests for memory allocation failures in sign functions
+func Test_sign_memfailures()
+  call writefile(repeat(["Sun is shining"], 30), "Xsign")
+  edit Xsign
+
+  call test_alloc_fail(GetAllocId('sign_getdefined'), 0, 0)
+  call assert_fails('call sign_getdefined("sign1")', 'E342:')
+  call test_alloc_fail(GetAllocId('sign_getplaced'), 0, 0)
+  call assert_fails('call sign_getplaced("Xsign")', 'E342:')
+  call test_alloc_fail(GetAllocId('sign_define_by_name'), 0, 0)
+  let attr = {'text' : '=>', 'linehl' : 'Search', 'texthl' : 'Error'}
+  call assert_fails('call sign_define("sign1", attr)', 'E342:')
+
+  let attr = {'text' : '=>', 'linehl' : 'Search', 'texthl' : 'Error'}
+  call sign_define("sign1", attr)
+  call test_alloc_fail(GetAllocId('sign_getlist'), 0, 0)
+  call assert_fails('call sign_getdefined("sign1")', 'E342:')
+
+  call sign_place(3, 'g1', 'sign1', 'Xsign', {'lnum' : 10})
+  call test_alloc_fail(GetAllocId('sign_getplaced_dict'), 0, 0)
+  call assert_fails('call sign_getplaced("Xsign")', 'E342:')
+  call test_alloc_fail(GetAllocId('sign_getplaced_list'), 0, 0)
+  call assert_fails('call sign_getplaced("Xsign")', 'E342:')
+
+  call test_alloc_fail(GetAllocId('insert_sign'), 0, 0)
+  call assert_fails('call sign_place(4, "g1", "sign1", "Xsign", {"lnum" : 11})',
+								\ 'E342:')
+
+  call test_alloc_fail(GetAllocId('sign_getinfo'), 0, 0)
+  call assert_fails('call getbufinfo()', 'E342:')
+  call sign_place(4, 'g1', 'sign1', 'Xsign', {'lnum' : 11})
+  call test_alloc_fail(GetAllocId('sign_getinfo'), 0, 0)
+  call assert_fails('let binfo=getbufinfo("Xsign")', 'E342:')
+  call assert_equal([{'lnum': 11, 'id': 4, 'name': 'sign1',
+	      \ 'priority': 10, 'group': 'g1'}], binfo[0].signs)
+
+  call sign_unplace('*')
+  call sign_undefine()
+  enew | only
+  call delete("Xsign")
+endfunc
+
+" Test for auto-adjusting the line number of a placed sign.
+func Test_sign_lnum_adjust()
+  enew! | only!
+
+  sign define sign1 text=#> linehl=Comment
+  call setline(1, ['A', 'B', 'C', 'D', 'E'])
+  exe 'sign place 5 line=3 name=sign1 buffer=' . bufnr('')
+  let l = sign_getplaced(bufnr(''))
+  call assert_equal(3, l[0].signs[0].lnum)
+
+  " Add some lines before the sign and check the sign line number
+  call append(2, ['BA', 'BB', 'BC'])
+  let l = sign_getplaced(bufnr(''))
+  call assert_equal(6, l[0].signs[0].lnum)
+
+  " Delete some lines before the sign and check the sign line number
+  call deletebufline('%', 1, 2)
+  let l = sign_getplaced(bufnr(''))
+  call assert_equal(4, l[0].signs[0].lnum)
+
+  " Insert some lines after the sign and check the sign line number
+  call append(5, ['DA', 'DB'])
+  let l = sign_getplaced(bufnr(''))
+  call assert_equal(4, l[0].signs[0].lnum)
+
+  " Delete some lines after the sign and check the sign line number
+  call deletebufline('', 6, 7)
+  let l = sign_getplaced(bufnr(''))
+  call assert_equal(4, l[0].signs[0].lnum)
+
+  " Break the undo. Otherwise the undo operation below will undo all the
+  " changes made by this function.
+  let &undolevels=&undolevels
+
+  " Delete the line with the sign
+  call deletebufline('', 4)
+  let l = sign_getplaced(bufnr(''))
+  call assert_equal(4, l[0].signs[0].lnum)
+
+  " Undo the delete operation
+  undo
+  let l = sign_getplaced(bufnr(''))
+  call assert_equal(5, l[0].signs[0].lnum)
+
+  " Break the undo
+  let &undolevels=&undolevels
+
+  " Delete few lines at the end of the buffer including the line with the sign
+  " Sign line number should not change (as it is placed outside of the buffer)
+  call deletebufline('', 3, 6)
+  let l = sign_getplaced(bufnr(''))
+  call assert_equal(5, l[0].signs[0].lnum)
+
+  " Undo the delete operation. Sign should be restored to the previous line
+  undo
+  let l = sign_getplaced(bufnr(''))
+  call assert_equal(5, l[0].signs[0].lnum)
+
+  sign unplace * group=*
+  sign undefine sign1
+  enew!
+endfunc
+
+" Test for changing the type of a placed sign
+func Test_sign_change_type()
+  enew! | only!
+
+  sign define sign1 text=#> linehl=Comment
+  sign define sign2 text=@@ linehl=Comment
+
+  call setline(1, ['A', 'B', 'C', 'D'])
+  exe 'sign place 4 line=3 name=sign1 buffer=' . bufnr('')
+  let l = sign_getplaced(bufnr(''))
+  call assert_equal('sign1', l[0].signs[0].name)
+  exe 'sign place 4 name=sign2 buffer=' . bufnr('')
+  let l = sign_getplaced(bufnr(''))
+  call assert_equal('sign2', l[0].signs[0].name)
+  call sign_place(4, '', 'sign1', '')
+  let l = sign_getplaced(bufnr(''))
+  call assert_equal('sign1', l[0].signs[0].name)
+
+  exe 'sign place 4 group=g1 line=4 name=sign1 buffer=' . bufnr('')
+  let l = sign_getplaced(bufnr(''), {'group' : 'g1'})
+  call assert_equal('sign1', l[0].signs[0].name)
+  exe 'sign place 4 group=g1 name=sign2 buffer=' . bufnr('')
+  let l = sign_getplaced(bufnr(''), {'group' : 'g1'})
+  call assert_equal('sign2', l[0].signs[0].name)
+  call sign_place(4, 'g1', 'sign1', '')
+  let l = sign_getplaced(bufnr(''), {'group' : 'g1'})
+  call assert_equal('sign1', l[0].signs[0].name)
+
+  sign unplace * group=*
+  sign undefine sign1
+  sign undefine sign2
+  enew!
+endfunc
+
+" Test for the sign_jump() function
+func Test_sign_jump_func()
+  enew! | only!
+
+  sign define sign1 text=#> linehl=Comment
+
+  edit foo
+  set buftype=nofile
+  call setline(1, ['A', 'B', 'C', 'D', 'E'])
+  call sign_place(5, '', 'sign1', '', {'lnum' : 2})
+  call sign_place(5, 'g1', 'sign1', '', {'lnum' : 3})
+  call sign_place(6, '', 'sign1', '', {'lnum' : 4})
+  call sign_place(6, 'g1', 'sign1', '', {'lnum' : 5})
+  split bar
+  set buftype=nofile
+  call setline(1, ['P', 'Q', 'R', 'S', 'T'])
+  call sign_place(5, '', 'sign1', '', {'lnum' : 2})
+  call sign_place(5, 'g1', 'sign1', '', {'lnum' : 3})
+  call sign_place(6, '', 'sign1', '', {'lnum' : 4})
+  call sign_place(6, 'g1', 'sign1', '', {'lnum' : 5})
+
+  let r = sign_jump(5, '', 'foo')
+  call assert_equal(2, r)
+  call assert_equal(2, line('.'))
+  let r = sign_jump(6, 'g1', 'foo')
+  call assert_equal(5, r)
+  call assert_equal(5, line('.'))
+  let r = sign_jump(5, '', 'bar')
+  call assert_equal(2, r)
+  call assert_equal(2, line('.'))
+
+  " Error cases
+  call assert_fails("call sign_jump(99, '', 'bar')", 'E157:')
+  call assert_fails("call sign_jump(0, '', 'foo')", 'E474:')
+  call assert_fails("call sign_jump(5, 'g5', 'foo')", 'E157:')
+  call assert_fails('call sign_jump([], "", "foo")', 'E745:')
+  call assert_fails('call sign_jump(2, [], "foo")', 'E730:')
+  call assert_fails('call sign_jump(2, "", {})', 'E158:')
+  call assert_fails('call sign_jump(2, "", "baz")', 'E158:')
+
+  sign unplace * group=*
+  sign undefine sign1
+  enew! | only!
+endfunc