From 27f6c394db45454e0127d8f852dd2b069d535004 Mon Sep 17 00:00:00 2001
From: vyzo <vyzo@hackzen.org>
Date: Wed, 31 Mar 2021 23:04:49 +0300
Subject: [PATCH] add TestSelfDial

---
 dial_test.go | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/dial_test.go b/dial_test.go
index 86390d6..26bf47c 100644
--- a/dial_test.go
+++ b/dial_test.go
@@ -651,3 +651,23 @@ func TestDialSimultaneousJoin(t *testing.T) {
 		t.Fatal("no connection from first dial")
 	}
 }
+
+func TestDialSelf(t *testing.T) {
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	swarms := makeSwarms(ctx, t, 2)
+	s1 := swarms[0]
+	defer s1.Close()
+
+	_, err := s1.DialPeer(ctx, s1.LocalPeer())
+	if err != ErrDialToSelf {
+		t.Fatal("expected error from self dial")
+	}
+
+	// do it twice to make sure we get a new active dial object that fails again
+	_, err = s1.DialPeer(ctx, s1.LocalPeer())
+	if err != ErrDialToSelf {
+		t.Fatal("expected error from self dial")
+	}
+}
-- 
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