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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <algorithm>
#include "mojo/public/cpp/base/read_only_buffer_mojom_traits.h"
#include "mojo/public/cpp/test_support/test_utils.h"
#include "mojo/public/mojom/base/read_only_buffer.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace mojo_base {
namespace read_only_buffer_unittest {
TEST(ReadOnlyBufferTest, ReadOnlyBufferEmptySpan) {
base::span<const uint8_t> in;
base::span<const uint8_t> out;
ASSERT_TRUE(
mojo::test::SerializeAndDeserialize<mojom::ReadOnlyBuffer>(in, out));
EXPECT_TRUE(std::ranges::equal(in, out));
}
TEST(ReadOnlyBufferTest, ReadOnlyBufferNonEmptySpan) {
std::vector<uint8_t> v{'1', '2', '3'};
base::span<const uint8_t> in(v);
base::span<const uint8_t> out;
// SerializeAndDeserialize doesn't work here: the traits for ReadOnlyBuffer
// returns a span that points into the raw bytes in the mojo::Message;however,
// the stack object will be freed before SerializeAndSerialize returns.
std::vector<uint8_t> data = mojom::ReadOnlyBuffer::Serialize(&in);
EXPECT_TRUE(mojom::ReadOnlyBuffer::Deserialize(std::move(data), &out));
EXPECT_TRUE(std::ranges::equal(in, out));
}
} // namespace read_only_buffer_unittest
} // namespace mojo_base
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