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// Copyright 2019 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.
#include "third_party/blink/public/common/messaging/message_port_descriptor.h"
#include "mojo/public/cpp/base/unguessable_token_mojom_traits.h"
#include "mojo/public/cpp/test_support/test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/messaging/message_port_descriptor_mojom_traits.h"
#include "third_party/blink/public/mojom/messaging/message_port_descriptor.mojom-blink.h"
namespace blink {
// This test lives in renderer/core because the serialization depends on other
// things in renderer/core. The main functionality of MessagePortDescriptor is
// tested in blink_common_unittests. For details, see
// blink/common/messaging/message_port_descriptor_unittest.cc
TEST(MessagePortDescriptorTest, SerializationWorks) {
MessagePortDescriptorPair pair;
MessagePortDescriptor port0 = pair.TakePort0();
EXPECT_TRUE(port0.IsValid());
base::UnguessableToken id = port0.id();
uint64_t sequence_number = port0.sequence_number();
// Do a round-trip through serialization and deserialization. This exercises
// the custom StructTraits.
MessagePortDescriptor port;
mojo::test::SerializeAndDeserialize<mojom::blink::MessagePortDescriptor,
MessagePortDescriptor>(port0, port);
EXPECT_TRUE(port0.IsDefault());
EXPECT_TRUE(port.IsValid());
// Handles themselves can change IDs as they go through serialization, so we
// don't explicitly test |raw_handle_|.
EXPECT_EQ(id, port.id());
EXPECT_EQ(sequence_number, port.sequence_number());
}
} // namespace blink
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