[chromedriver] Reuse forwarded adb ports.

chrome/test/chromedriver/net/port_server_unittest.cc

Index: chrome/test/chromedriver/net/port_server_unittest.cc
diff --git a/chrome/test/chromedriver/net/port_server_unittest.cc b/chrome/test/chromedriver/net/port_server_unittest.cc
index f96043ad062b698975b98337253124ec6f7870c7..dd9fad4bb919ede03709a3b0364bc8a8fd14bd85 100644
--- a/chrome/test/chromedriver/net/port_server_unittest.cc
+++ b/chrome/test/chromedriver/net/port_server_unittest.cc
@@ -188,7 +188,7 @@ TEST_F(PortServerTest, ReserveReserve) {
 }
 #endif
 
-TEST(PortManagerTest, Reserve) {
+TEST(PortManagerTest, ReservePort) {
   PortManager mgr(15000, 16000);
   int port = 0;
   scoped_ptr<PortReservation> reservation;
@@ -199,3 +199,19 @@ TEST(PortManagerTest, Reserve) {
   ASSERT_LE(port, 16000);
   ASSERT_TRUE(reservation);
 }
+
+TEST(PortManagerTest, ReservePortFromPool) {
+  PortManager mgr(15000, 16000);
+  int first_port = 0, port = 1;
+  for (int i = 0; i < 10; i++) {
+    scoped_ptr<PortReservation> reservation;
+    Status status = mgr.ReservePortFromPool(&port, &reservation);
+    ASSERT_EQ(kOk, status.code()) << status.message();
+    ASSERT_TRUE(reservation);
+    ASSERT_GE(port, 15000);
+    ASSERT_LE(port, 16000);
+    if (i == 0)
+      first_port = port;
+    ASSERT_EQ(port, first_port);
+  }
+}