|  | // Copyright (c) 2017 The Chromium Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #ifndef QUICHE_QUIC_PLATFORM_API_QUIC_TEST_LOOPBACK_H_ | 
|  | #define QUICHE_QUIC_PLATFORM_API_QUIC_TEST_LOOPBACK_H_ | 
|  |  | 
|  | #include "net/quic/platform/impl/quic_test_loopback_impl.h" | 
|  |  | 
|  | namespace quic { | 
|  |  | 
|  | // Returns the address family (IPv4 or IPv6) used to run test under. | 
|  | IpAddressFamily AddressFamilyUnderTest(); | 
|  |  | 
|  | // Returns an IPv4 loopback address. | 
|  | QuicIpAddress TestLoopback4(); | 
|  |  | 
|  | // Returns the only IPv6 loopback address. | 
|  | QuicIpAddress TestLoopback6(); | 
|  |  | 
|  | // Returns an appropriate IPv4/Ipv6 loopback address based upon whether the | 
|  | // test's environment. | 
|  | QuicIpAddress TestLoopback(); | 
|  |  | 
|  | // If address family under test is IPv4, returns an indexed IPv4 loopback | 
|  | // address. If address family under test is IPv6, the address returned is | 
|  | // platform-dependent. | 
|  | QuicIpAddress TestLoopback(int index); | 
|  |  | 
|  | }  // namespace quic | 
|  |  | 
|  | #endif  // QUICHE_QUIC_PLATFORM_API_QUIC_TEST_LOOPBACK_H_ |