1 files changed, 29 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_increment_dbcs.vim b/src/nvim/testdir/test_increment_dbcs.vim
new file mode 100644
index 0000000000..ee286a0a24
--- /dev/null
+++ b/src/nvim/testdir/test_increment_dbcs.vim
@@ -0,0 +1,29 @@
+" Tests for using Ctrl-A/Ctrl-X using DBCS.
+if !has('multi_byte')
+  finish
+endif
+scriptencoding cp932
+
+func SetUp()
+  new
+  set nrformats&
+endfunc
+
+func TearDown()
+  bwipe!
+endfunc
+
+func Test_increment_dbcs_1()
+  set nrformats+=alpha
+  call setline(1, ["ŽR1"])
+  exec "norm! 0\<C-A>"
+  call assert_equal(["ŽR2"], getline(1, '$'))
+  call assert_equal([0, 1, 4, 0], getpos('.'))
+
+  call setline(1, ["‚`‚a‚b0xDE‚e"])
+  exec "norm! 0\<C-X>"
+  call assert_equal(["‚`‚a‚b0xDD‚e"], getline(1, '$'))
+  call assert_equal([0, 1, 13, 0], getpos('.'))
+endfunc
+
+" vim: shiftwidth=2 expandtab