test: add tests for quic idleTimeout

It would be better to add a test to ensure that the timeout is
greater than the triple PTO if we can get the PTO.

PR-URL: #160
Reviewed-By: James M Snell <[email protected]>

test/parallel/test-quic-idle-timeout.js

@@ -0,0 +1,101 @@
+'use strict';
+
+const common = require('../common');
+if (!common.hasQuic)
+  common.skip('missing quic');
+
+const assert = require('assert');
+const { createSocket } = require('quic');
+const fixtures = require('../common/fixtures');
+const key = fixtures.readKey('agent1-key.pem', 'binary');
+const cert = fixtures.readKey('agent1-cert.pem', 'binary');
+const ca = fixtures.readKey('ca1-cert.pem', 'binary');
+
+const kServerName = 'agent2';
+const kALPN = 'zzz';
+// Allow error for 500 milliseconds more.
+const error = common.platformTimeout(500);
+const idleTimeout = common.platformTimeout(1000);
+
+// Test client idle timeout.
+{
+  let client;
+  const server = createSocket({ port: 0 });
+  server.listen({
+    key,
+    cert,
+    ca,
+    alpn: kALPN,
+  });
+
+  server.on('session', common.mustCall());
+
+  server.on('ready', common.mustCall(() => {
+    client = createSocket({
+      port: 0,
+      client: {
+        key,
+        cert,
+        ca,
+        alpn: kALPN,
+      }
+    });
+
+    const start = Date.now();
+
+    const clientSession = client.connect({
+      address: 'localhost',
+      port: server.address.port,
+      servername: kServerName,
+      idleTimeout,
+    });
+
+    clientSession.on('close', common.mustCall(() => {
+      client.close();
+      server.close();
+      assert(Date.now() - start < idleTimeout + error);
+    }));
+  }));
+}
+
+// Test server idle timeout.
+{
+  let client;
+  let start;
+  const server = createSocket({ port: 0 });
+  server.listen({
+    key,
+    cert,
+    ca,
+    alpn: kALPN,
+    idleTimeout,
+  });
+
+  server.on('session', common.mustCall(() => {
+    client.close();
+    server.close();
+    assert(Date.now() - start < idleTimeout + error);
+  }));
+
+  server.on('ready', common.mustCall(() => {
+    client = createSocket({
+      port: 0,
+      client: {
+        key,
+        cert,
+        ca,
+        alpn: kALPN,
+      }
+    });
+
+
+    start = Date.now();
+    const clientSession = client.connect({
+      address: 'localhost',
+      port: server.address.port,
+      servername: kServerName,
+    });
+
+    clientSession.on('close', common.mustCall());
+  }));
+}