diff --git a/src/testdir/test_xxd.vim b/src/testdir/test_xxd.vim
index 99e4998..5706871 100644
--- a/src/testdir/test_xxd.vim
+++ b/src/testdir/test_xxd.vim
@@ -269,6 +269,23 @@
   endfor
 
 
+  " Test 19: Print C include in binary format
+  let s:test += 1
+  call writefile(['TESTabcd09'], 'XXDfile')
+  %d
+  exe '0r! ' . s:xxd_cmd . ' -i -b XXDfile'
+  $d
+  let expected =<< trim [CODE]
+    unsigned char XXDfile[] = {
+      0b01010100, 0b01000101, 0b01010011, 0b01010100, 0b01100001, 0b01100010,
+      0b01100011, 0b01100100, 0b00110000, 0b00111001, 0b00001010
+    };
+    unsigned int XXDfile_len = 11;
+  [CODE]
+
+  call assert_equal(expected, getline(1,'$'), s:Mess(s:test))
+
+
   %d
   bwipe!
   call delete('XXDfile')