Move map to array (#3339)

* Move map to array

The map was not needed move to an array, see #1941 for the original
idea. That of course didn't apply anymore; make a super minimal change
to implements the idea from #1941

Signed-off-by: Miek Gieben <miek@miek.nl>

* Add total count

Signed-off-by: Miek Gieben <miek@miek.nl>

1 files changed, 3 insertions, 7 deletions

diff --git a/plugin/forward/persistent_test.go b/plugin/forward/persistent_test.go
index 1fb239ca7..9ea0cdc10 100644
--- a/plugin/forward/persistent_test.go
+++ b/plugin/forward/persistent_test.go
@@ -96,18 +96,14 @@ func TestCleanupAll(t *testing.T) {
 	c2, _ := dns.DialTimeout("udp", tr.addr, maxDialTimeout)
 	c3, _ := dns.DialTimeout("udp", tr.addr, maxDialTimeout)
 
-	tr.conns["udp"] = []*persistConn{
-		{c1, time.Now()},
-		{c2, time.Now()},
-		{c3, time.Now()},
-	}
+	tr.conns[typeUdp] = []*persistConn{{c1, time.Now()}, {c2, time.Now()}, {c3, time.Now()}}
 
-	if len(tr.conns["udp"]) != 3 {
+	if len(tr.conns[typeUdp]) != 3 {
 		t.Error("Expected 3 connections")
 	}
 	tr.cleanup(true)
 
-	if len(tr.conns["udp"]) > 0 {
+	if len(tr.conns[typeUdp]) > 0 {
 		t.Error("Expected no cached connections")
 	}
 }