patch 7.4.2226
Problem:    The field names used by getbufinfo(), gettabinfo() and
            getwininfo() are not consistent.
Solution:   Use bufnr, winnr and tabnr. (Yegappan Lakshmanan)
diff --git a/src/testdir/test_bufwintabinfo.vim b/src/testdir/test_bufwintabinfo.vim
index ec1f538..1c88cf5 100644
--- a/src/testdir/test_bufwintabinfo.vim
+++ b/src/testdir/test_bufwintabinfo.vim
@@ -17,7 +17,7 @@
     set tabstop&vim
     let b:editor = 'vim'
     let l = getbufinfo('%')
-    call assert_equal(bufnr('%'), l[0].nr)
+    call assert_equal(bufnr('%'), l[0].bufnr)
     call assert_equal(8, l[0].options.tabstop)
     call assert_equal('vim', l[0].variables.editor)
     call assert_notequal(-1, index(l[0].windows, bufwinid('%')))
@@ -46,25 +46,25 @@
     tabfirst
     let winlist = getwininfo()
     call assert_equal(5, len(winlist))
-    call assert_equal(winbufnr(2), winlist[1].bufnum)
+    call assert_equal(winbufnr(2), winlist[1].bufnr)
     call assert_equal(winheight(2), winlist[1].height)
-    call assert_equal(1, winlist[2].nr)
+    call assert_equal(1, winlist[2].winnr)
     if has('signs')
       call assert_equal('auto', winlist[0].options.signcolumn)
     endif
-    call assert_equal(2, winlist[3].tpnr)
+    call assert_equal(2, winlist[3].tabnr)
     call assert_equal('green', winlist[2].variables.signal)
     call assert_equal(winwidth(1), winlist[0].width)
     call assert_equal(w4_id, winlist[3].winid)
     let winfo = getwininfo(w5_id)[0]
-    call assert_equal(2, winfo.tpnr)
+    call assert_equal(2, winfo.tabnr)
     call assert_equal([], getwininfo(3))
 
     call settabvar(1, 'space', 'build')
     let tablist = gettabinfo()
     call assert_equal(2, len(tablist))
     call assert_equal(3, len(tablist[1].windows))
-    call assert_equal(2, tablist[1].nr)
+    call assert_equal(2, tablist[1].tabnr)
     call assert_equal('build', tablist[0].variables.space)
     call assert_equal(w2_id, tablist[0].windows[0])
     call assert_equal([], gettabinfo(3))