From 067297e16a516838dbc46aaa9d8b1a507afec28d Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Mon, 13 Apr 2020 19:55:50 +0200
Subject: [PATCH] patch 8.2.0576: some errors are not covered by tests

Problem:    Some errors are not covered by tests.
Solution:   Add a few more tests. (Dominique Pelle, closes #5920)
---
 src/testdir/test_buffer.vim   | 11 +++++++++++
 src/testdir/test_digraph.vim  |  2 ++
 src/testdir/test_expr.vim     |  2 ++
 src/testdir/test_messages.vim |  2 ++
 src/version.c                 |  2 ++
 5 files changed, 19 insertions(+)

diff --git a/src/testdir/test_buffer.vim b/src/testdir/test_buffer.vim
index 76fb04bb6..de163538e 100644
--- a/src/testdir/test_buffer.vim
+++ b/src/testdir/test_buffer.vim
@@ -155,4 +155,15 @@ func Test_bdelete_cmd()
   %bwipe!
 endfunc
 
+func Test_buffer_error()
+  new foo1
+  new foo2
+
+  call assert_fails('buffer foo', 'E93:')
+  call assert_fails('buffer bar', 'E94:')
+  call assert_fails('buffer 0', 'E939:')
+
+  %bwipe
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/testdir/test_digraph.vim b/src/testdir/test_digraph.vim
index 9e7d6f4bb..2a59994f0 100644
--- a/src/testdir/test_digraph.vim
+++ b/src/testdir/test_digraph.vim
@@ -212,6 +212,8 @@ func Test_digraphs()
   call assert_equal(['␀', 'ü', '∞', 'l'], getline(line('.')-3,line('.')))
   call assert_fails('exe "digraph a\<Esc> 100"', 'E104:')
   call assert_fails('exe "digraph \<Esc>a 100"', 'E104:')
+  call assert_fails('digraph xy z', 'E39:')
+  call assert_fails('digraph x', 'E474:')
   bw!
 endfunc
 
diff --git a/src/testdir/test_expr.vim b/src/testdir/test_expr.vim
index ed8fa2bc0..39e719a9b 100644
--- a/src/testdir/test_expr.vim
+++ b/src/testdir/test_expr.vim
@@ -373,8 +373,10 @@ function Test_printf_errors()
   call assert_fails('echo printf("%d", [])', 'E745:')
   call assert_fails('echo printf("%d", 1, 2)', 'E767:')
   call assert_fails('echo printf("%*d", 1)', 'E766:')
+  call assert_fails('echo printf("%s")', 'E766:')
   if has('float')
     call assert_fails('echo printf("%d", 1.2)', 'E805:')
+    call assert_fails('echo printf("%f")')
   endif
 endfunc
 
diff --git a/src/testdir/test_messages.vim b/src/testdir/test_messages.vim
index 90d0d201f..32ffb48a8 100644
--- a/src/testdir/test_messages.vim
+++ b/src/testdir/test_messages.vim
@@ -40,6 +40,8 @@ function Test_messages()
   finally
     let &more = oldmore
   endtry
+
+  call assert_fails('message 1', 'E474:')
 endfunction
 
 " Patch 7.4.1696 defined the "clearmode()" function for clearing the mode
diff --git a/src/version.c b/src/version.c
index 0705e75d6..d5b6a05d1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    576,
 /**/
     575,
 /**/
-- 
2.50.1