patch 8.0.0255: setpos() does not use the buffer argument for all marks
Problem: When calling setpos() with a buffer argument it often is ignored.
(Matthew Malcomson)
Solution: Make the buffer argument work for all marks local to a buffer.
(neovim #5713) Add more tests.
diff --git a/src/testdir/test_marks.vim b/src/testdir/test_marks.vim
index d00b1dd..18a0c71 100644
--- a/src/testdir/test_marks.vim
+++ b/src/testdir/test_marks.vim
@@ -24,3 +24,47 @@
call assert_equal("XXX 123 123", getline(3))
enew!
endfunction
+
+func Test_setpos()
+ new one
+ let onebuf = bufnr('%')
+ let onewin = win_getid()
+ call setline(1, ['aaa', 'bbb', 'ccc'])
+ new two
+ let twobuf = bufnr('%')
+ let twowin = win_getid()
+ call setline(1, ['aaa', 'bbb', 'ccc'])
+
+ " for the cursor the buffer number is ignored
+ call setpos(".", [0, 2, 1, 0])
+ call assert_equal([0, 2, 1, 0], getpos("."))
+ call setpos(".", [onebuf, 3, 3, 0])
+ call assert_equal([0, 3, 3, 0], getpos("."))
+
+ call setpos("''", [0, 1, 3, 0])
+ call assert_equal([0, 1, 3, 0], getpos("''"))
+ call setpos("''", [onebuf, 2, 2, 0])
+ call assert_equal([0, 2, 2, 0], getpos("''"))
+
+ " buffer-local marks
+ for mark in ["'a", "'\"", "'[", "']", "'<", "'>"]
+ call win_gotoid(twowin)
+ call setpos(mark, [0, 2, 1, 0])
+ call assert_equal([0, 2, 1, 0], getpos(mark), "for mark " . mark)
+ call setpos(mark, [onebuf, 1, 3, 0])
+ call win_gotoid(onewin)
+ call assert_equal([0, 1, 3, 0], getpos(mark), "for mark " . mark)
+ endfor
+
+ " global marks
+ call win_gotoid(twowin)
+ call setpos("'N", [0, 2, 1, 0])
+ call assert_equal([twobuf, 2, 1, 0], getpos("'N"))
+ call setpos("'N", [onebuf, 1, 3, 0])
+ call assert_equal([onebuf, 1, 3, 0], getpos("'N"))
+
+ call win_gotoid(onewin)
+ bwipe!
+ call win_gotoid(twowin)
+ bwipe!
+endfunc