From f60e21ec187fc1357f78b2e91999d28fbca6d2e1 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Fri, 10 Dec 2021 04:23:21 -0500
Subject: ensure that diffing a screen against itself always returns nothing

---
 tests/helpers/mod.rs | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'tests')

diff --git a/tests/helpers/mod.rs b/tests/helpers/mod.rs
index a7eaadc..53e4f42 100644
--- a/tests/helpers/mod.rs
+++ b/tests/helpers/mod.rs
@@ -84,6 +84,8 @@ pub fn compare_screens(
         Bytes(&expected.contents_diff(vt100::Parser::default().screen()))
     );
 
+    is!(Bytes(&got.contents_diff(got)), Bytes(b""));
+
     for row in 0..rows {
         for col in 0..cols {
             let expected_cell = expected.cell(row, col);
-- 
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