Fix assert with window small enough so that no part of buffer is displayed

Fixes #2056

4 files changed, 13 insertions, 0 deletions

diff --git a/test/regression/2056-assert-on-small-window/cmd b/test/regression/2056-assert-on-small-window/cmd
new file mode 100644
index 00000000..7f1441cd
--- /dev/null
+++ b/test/regression/2056-assert-on-small-window/cmd
@@ -0,0 +1 @@
+<c-l>
diff --git a/test/regression/2056-assert-on-small-window/in b/test/regression/2056-assert-on-small-window/in
new file mode 100644
index 00000000..f00c965d
--- /dev/null
+++ b/test/regression/2056-assert-on-small-window/in
@@ -0,0 +1,10 @@
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
diff --git a/test/regression/2056-assert-on-small-window/rc b/test/regression/2056-assert-on-small-window/rc
new file mode 100644
index 00000000..d2d73e00
--- /dev/null
+++ b/test/regression/2056-assert-on-small-window/rc
@@ -0,0 +1 @@
+add-highlighter window number_lines
diff --git a/test/regression/2056-assert-on-small-window/ui-in b/test/regression/2056-assert-on-small-window/ui-in
new file mode 100644
index 00000000..35c9d9a6
--- /dev/null
+++ b/test/regression/2056-assert-on-small-window/ui-in
@@ -0,0 +1 @@
+{ "jsonrpc": "2.0", "method": "resize", "params": [ 5, 2 ] }