Project import generated by Copybara.
PiperOrigin-RevId: 237361882
Change-Id: I109a68f44db867b20f8c6a7732b0ce657133e52a
diff --git a/quic/platform/api/quic_test_loopback.h b/quic/platform/api/quic_test_loopback.h
new file mode 100644
index 0000000..708e766
--- /dev/null
+++ b/quic/platform/api/quic_test_loopback.h
@@ -0,0 +1,32 @@
+// 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_