From 57e691fae399b793cf022c210afd79fe007a71c3 Mon Sep 17 00:00:00 2001
From: Chris Laplante <chris.laplante@agilent.com>
Date: Wed, 4 May 2022 12:00:15 -0400
Subject: [PATCH] WIP demonstrate problem

---
 tests/scroll.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tests/scroll.rs b/tests/scroll.rs
index 21e0ae6..1c7bf03 100644
--- a/tests/scroll.rs
+++ b/tests/scroll.rs
@@ -110,3 +110,16 @@ fn edge_of_screen() {
         b"\x1b[24;75H\x1b[31mfoobar\x1b[24;80H"
     );
 }
+
+#[test]
+fn scrollback_larger_than_terminal() {
+    use std::io::Write;
+
+    let mut parser = vt100::Parser::new(3, 80, 10);
+    for i in 0..10 {
+        writeln!(parser, "line {}", i);
+    }
+
+    parser.set_scrollback(4);
+    let _ = parser.screen().contents();
+}