From 450c48571aa47b58a69795169f04b809f94435ad Mon Sep 17 00:00:00 2001
From: Shawnh2 <shawnhxh@outlook.com>
Date: Mon, 17 Apr 2023 22:28:43 +0800
Subject: [PATCH] fix unit test

Signed-off-by: Shawnh2 <shawnhxh@outlook.com>
---
 internal/gatewayapi/address.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/internal/gatewayapi/address.go b/internal/gatewayapi/address.go
index 424e1da29d27..9386e86f1228 100644
--- a/internal/gatewayapi/address.go
+++ b/internal/gatewayapi/address.go
@@ -35,6 +35,8 @@ func (t *Translator) ProcessAddresses(gateways []*GatewayContext, xdsIR XdsIRMap
 			}
 		}
 
-		gwInfraIR.Proxy.Addresses = sets.List(ipAddr)
+		if ip := sets.List(ipAddr); len(ip) > 0 {
+			gwInfraIR.Proxy.Addresses = ip
+		}
 	}
 }