From 9dae276584ebde812c4bd72d7fd74eec93f0e142 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6ran=20Karl?=
 <3951388+JoeKar@users.noreply.github.com>
Date: Fri, 22 Sep 2023 19:28:10 +0200
Subject: [PATCH] test: Empty draw channel after every DoEvent() and before
 resizing the screen

This is necessary since DoEvent() isn't called in a loop like in the main
application, but as one-shot only.
---
 cmd/micro/micro_test.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/cmd/micro/micro_test.go b/cmd/micro/micro_test.go
index ba5c9a24b8..b0a9abad84 100644
--- a/cmd/micro/micro_test.go
+++ b/cmd/micro/micro_test.go
@@ -90,6 +90,10 @@ func startup(args []string) (tcell.SimulationScreen, error) {
 		return nil, err
 	}
 
+	for len(screen.DrawChan()) > 0 {
+		<-screen.DrawChan()
+	}
+
 	s.InjectResize()
 	handleEvent()
 
@@ -107,7 +111,12 @@ func handleEvent() {
 	if e != nil {
 		screen.Events <- e
 	}
+
 	DoEvent()
+
+	for len(screen.DrawChan()) > 0 {
+		<-screen.DrawChan()
+	}
 }
 
 func injectKey(key tcell.Key, r rune, mod tcell.ModMask) {