diff --git a/test/parallel/test-http-agent-keepalive.js b/test/parallel/test-http-agent-keepalive.js
index a1f902fab091e1..427f242999c060 100644
--- a/test/parallel/test-http-agent-keepalive.js
+++ b/test/parallel/test-http-agent-keepalive.js
@@ -59,6 +59,7 @@ function checkDataAndSockets(body) {
   assert.strictEqual(body.toString(), 'hello world');
   assert.strictEqual(agent.sockets[name].length, 1);
   assert.strictEqual(agent.freeSockets[name], undefined);
+  assert.strictEqual(agent.totalSocketCount, 1);
 }
 
 function second() {
@@ -73,6 +74,7 @@ function second() {
       process.nextTick(common.mustCall(() => {
         assert.strictEqual(agent.sockets[name], undefined);
         assert.strictEqual(agent.freeSockets[name].length, 1);
+        assert.strictEqual(agent.totalSocketCount, 0);
         remoteClose();
       }));
     }));
@@ -91,6 +93,7 @@ function remoteClose() {
       process.nextTick(common.mustCall(() => {
         assert.strictEqual(agent.sockets[name], undefined);
         assert.strictEqual(agent.freeSockets[name].length, 1);
+        assert.strictEqual(agent.totalSocketCount, 0);
         // Waiting remote server close the socket
         setTimeout(common.mustCall(() => {
           assert.strictEqual(agent.sockets[name], undefined);
@@ -110,10 +113,12 @@ function remoteError() {
     assert.strictEqual(err.message, 'socket hang up');
     assert.strictEqual(agent.sockets[name].length, 1);
     assert.strictEqual(agent.freeSockets[name], undefined);
+    assert.strictEqual(agent.totalSocketCount, 0);
     // Wait socket 'close' event emit
     setTimeout(common.mustCall(() => {
       assert.strictEqual(agent.sockets[name], undefined);
       assert.strictEqual(agent.freeSockets[name], undefined);
+      assert.strictEqual(agent.totalSocketCount, -1);
       server.close();
     }), common.platformTimeout(1));
   }));
@@ -132,6 +137,7 @@ server.listen(0, common.mustCall(() => {
       process.nextTick(common.mustCall(() => {
         assert.strictEqual(agent.sockets[name], undefined);
         assert.strictEqual(agent.freeSockets[name].length, 1);
+        assert.strictEqual(agent.totalSocketCount, 0);
         second();
       }));
     }));