1 // Copyright 2016 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_TESTS_VARIANT_TEST_UTIL_H_ 6 #define MOJO_PUBLIC_CPP_BINDINGS_TESTS_VARIANT_TEST_UTIL_H_ 7 8 #include <string.h> 9 10 #include "base/logging.h" 11 #include "mojo/public/cpp/bindings/interface_request.h" 12 13 namespace mojo { 14 namespace test { 15 16 // Converts a request of Interface1 to a request of Interface0. Interface0 and 17 // Interface1 are expected to be two variants of the same mojom interface. 18 // In real-world use cases, users shouldn't need to worry about this. Because it 19 // is rare to deal with two variants of the same interface in the same app. 20 template <typename Interface0, typename Interface1> ConvertInterfaceRequest(InterfaceRequest<Interface1> request)21InterfaceRequest<Interface0> ConvertInterfaceRequest( 22 InterfaceRequest<Interface1> request) { 23 DCHECK_EQ(0, strcmp(Interface0::Name_, Interface1::Name_)); 24 return InterfaceRequest<Interface0>(request.PassMessagePipe()); 25 } 26 27 } // namespace test 28 } // namespace mojo 29 30 #endif // MOJO_PUBLIC_CPP_BINDINGS_TESTS_VARIANT_TEST_UTIL_H_ 31