From 527a1596f3afa8a43659a518147bf10107e7ee47 Mon Sep 17 00:00:00 2001
From: Stefan Haller <stefan@haller-berlin.de>
Date: Wed, 16 Aug 2023 17:49:08 +0200
Subject: [PATCH] Add tests for scroll-off margin of zero

---
 pkg/gui/controllers/scroll_off_margin_test.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/pkg/gui/controllers/scroll_off_margin_test.go b/pkg/gui/controllers/scroll_off_margin_test.go
index 099da299f..4059aaa48 100644
--- a/pkg/gui/controllers/scroll_off_margin_test.go
+++ b/pkg/gui/controllers/scroll_off_margin_test.go
@@ -52,6 +52,15 @@ func Test_calculateLinesToScrollUp(t *testing.T) {
 			lineIdxAfter:          12,
 			expectedLinesToScroll: 1,
 		},
+		{
+			name:                  "scroll-off margin is zero - scroll by 1 at end of view",
+			viewPortStart:         10,
+			viewPortHeight:        10,
+			scrollOffMargin:       0,
+			lineIdxBefore:         10,
+			lineIdxAfter:          9,
+			expectedLinesToScroll: 1,
+		},
 		{
 			name:                  "before inside scroll-off margin - scroll by more than 1",
 			viewPortStart:         10,
@@ -134,6 +143,15 @@ func Test_calculateLinesToScrollDown(t *testing.T) {
 			lineIdxAfter:          17,
 			expectedLinesToScroll: 1,
 		},
+		{
+			name:                  "scroll-off margin is zero - scroll by 1 at end of view",
+			viewPortStart:         10,
+			viewPortHeight:        10,
+			scrollOffMargin:       0,
+			lineIdxBefore:         19,
+			lineIdxAfter:          20,
+			expectedLinesToScroll: 1,
+		},
 		{
 			name:                  "before inside scroll-off margin - scroll by more than 1",
 			viewPortStart:         10,