patch 7.4.1558
Problem: It is not easy to find out what windows display a buffer.
Solution: Add win_findbuf().
diff --git a/src/testdir/test_window_id.vim b/src/testdir/test_window_id.vim
index b9e9f45..fa3ebd7 100644
--- a/src/testdir/test_window_id.vim
+++ b/src/testdir/test_window_id.vim
@@ -5,6 +5,7 @@
let id1 = win_getid()
split two
let id2 = win_getid()
+ let bufnr2 = bufnr('%')
split three
let id3 = win_getid()
tabnew
@@ -12,6 +13,7 @@
let id4 = win_getid()
split five
let id5 = win_getid()
+ let bufnr5 = bufnr('%')
tabnext
wincmd w
@@ -67,5 +69,11 @@
call assert_equal([1, nr2], win_id2tabwin(id2))
call assert_equal([2, nr4], win_id2tabwin(id4))
+ call assert_equal([], win_findbuf(9999))
+ call assert_equal([id2], win_findbuf(bufnr2))
+ call win_gotoid(id5)
+ split
+ call assert_equal(sort([id5, win_getid()]), sort(win_findbuf(bufnr5)))
+
only!
endfunc