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// Copyright (C) 2011-2021 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#include <config.h>

#include <util/unittests/check_valgrind.h>

#include <util/io/fd.h>

#include <util/unittests/fork.h>

#include <gtest/gtest.h><--- Include file:  not found. Please note: Cppcheck does not need standard library headers to get proper results.

using namespace isc::util::io;
using namespace isc::util::unittests;

namespace {

// Make sure the test is large enough and does not fit into one
// read or write request
const size_t TEST_DATA_SIZE = 8 * 1024 * 1024;

class FDTest : public ::testing::Test {
public:
    unsigned char *data, *buffer;

    /// @brief Constructor
    FDTest() :
        // We do not care what is inside, we just need it to be the same
        data(new unsigned char[TEST_DATA_SIZE]),
        buffer(NULL) {
        memset(data, 0, TEST_DATA_SIZE);
    }

    /// @brief Destructor
    ~FDTest() {
        delete[] data;
        delete[] buffer;
    }
};

// Test we read what was sent
TEST_F(FDTest, read) {<--- syntax error
    if (!isc::util::unittests::runningOnValgrind()) {
        int read_pipe(0);
        buffer = new unsigned char[TEST_DATA_SIZE];
        pid_t feeder(provide_input(&read_pipe, data, TEST_DATA_SIZE));
        ASSERT_GE(feeder, 0);
        ssize_t received(read_data(read_pipe, buffer, TEST_DATA_SIZE));
        EXPECT_TRUE(process_ok(feeder));
        EXPECT_EQ(TEST_DATA_SIZE, received);
        EXPECT_EQ(0, memcmp(data, buffer, received));
    }
}

// Test we write the correct thing
TEST_F(FDTest, write) {
    if (!isc::util::unittests::runningOnValgrind()) {
        int write_pipe(0);
        pid_t checker(check_output(&write_pipe, data, TEST_DATA_SIZE));
        ASSERT_GE(checker, 0);
        EXPECT_TRUE(write_data(write_pipe, data, TEST_DATA_SIZE));
        EXPECT_EQ(0, close(write_pipe));
        EXPECT_TRUE(process_ok(checker));
    }
}

}