Keep scrollback under a full-screen scroll region

2026-10-20 11:00:04 +02:00
parent 40dac967e2
commit 7b536a7efa
2 changed files with 8 additions and 1 deletions
--- a/tests/test_emulator.py
+++ b/tests/test_emulator.py
@@ -141,6 +141,11 @@ def run_case(char_by_char):
    assert len(screen.history) == 1, (tag, len(screen.history))
    assert screen.history[0][0].data == "a", tag

+    # an explicit full-screen scroll region still feeds scrollback
+    proc, screen, stream = make(10, 3)
+    feed(stream, "\x1b[1;3ra\r\nb\r\nc\r\nd", char_by_char)
+    assert len(screen.history) == 1, (tag, len(screen.history))
+
    # ED 3 clears history and fires callback
    cleared = []
    proc = FakeProcess()