/*
 * TestPack.cpp -- test the pack serializer
 *
 * Copyright (c) 2013, 2014 David Demelier <markand@malikania.fr>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sstream>
#include <vector>

#include <gtest/gtest.h>

#include <Pack.h>

TEST(File, simpleLittleEndian)
{
	uint8_t u8(1), r8;
	uint16_t u16(2), r16;
	uint32_t u32(3), r32;
	uint64_t u64(4), r64;

	try {
		std::ofstream out;
		out.open("simple-little.bin", std::ostream::out);
		Pack::write(out, Pack::Little, u8, u16, u32, u64);
		out.close();

		std::ifstream in;
		in.open("simple-little.bin", std::ostream::in);
		Pack::read(in, Pack::Little, r8, r16, r32, r64);
		in.close();

		ASSERT_EQ(u8, r8);
		ASSERT_EQ(u16, r16);
		ASSERT_EQ(u32, r32);
		ASSERT_EQ(u64, r64);
	} catch (const std::exception &error) {
		FAIL() << error.what();
	}
}

TEST(File, simpleBigEndian)
{
	uint8_t u8(1), r8;
	uint16_t u16(2), r16;
	uint32_t u32(3), r32;
	uint64_t u64(4), r64;

	try {
		std::ofstream out;
		out.open("simple-big.bin", std::ostream::out);
		Pack::write(out, Pack::Big, u8, u16, u32, u64);
		out.close();

		std::ifstream in;
		in.open("simple-big.bin", std::ostream::in);
		Pack::read(in, Pack::Big, r8, r16, r32, r64);
		in.close();

		ASSERT_EQ(u8, r8);
		ASSERT_EQ(u16, r16);
		ASSERT_EQ(u32, r32);
		ASSERT_EQ(u64, r64);
	} catch (const std::exception &error) {
		FAIL() << error.what();
	}
}

TEST(String, simpleLittleEndian)
{
	uint8_t u8(1), r8;
	uint16_t u16(2), r16;
	uint32_t u32(3), r32;
	uint64_t u64(4), r64;

	try {
		std::ostringstream out;
		Pack::write(out, Pack::Little, u8, u16, u32, u64);

		std::istringstream in(out.str());
		Pack::read(in, Pack::Little, r8, r16, r32, r64);

		ASSERT_EQ(u8, r8);
		ASSERT_EQ(u16, r16);
		ASSERT_EQ(u32, r32);
		ASSERT_EQ(u64, r64);
	} catch (const std::exception &error) {
		FAIL() << error.what();
	}
}

TEST(String, simpleBigEndian)
{
	uint8_t u8(1), r8;
	uint16_t u16(2), r16;
	uint32_t u32(3), r32;
	uint64_t u64(4), r64;

	try {
		std::ostringstream out;
		Pack::write(out, Pack::Big, u8, u16, u32, u64);

		std::istringstream in(out.str());
		Pack::read(in, Pack::Big, r8, r16, r32, r64);

		ASSERT_EQ(u8, r8);
		ASSERT_EQ(u16, r16);
		ASSERT_EQ(u32, r32);
		ASSERT_EQ(u64, r64);
	} catch (const std::exception &error) {
		FAIL() << error.what();
	}
}

TEST(Array, simpleLittleEndian)
{
	std::vector<uint8_t> u8 { 1, 2, 3, 4, 5, 6, 7, 8 };
	std::vector<uint16_t> u16 { 10, 20, 30, 40, 50, 60, 70, 80 };
	std::vector<uint32_t> u32 { 100, 200, 300, 400, 500, 600, 700, 800 };
	std::vector<uint64_t> u64 { 1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000 };

	std::vector<uint8_t> r8;
	std::vector<uint16_t> r16;
	std::vector<uint32_t> r32;
	std::vector<uint64_t> r64;

	try {
		std::ostringstream out;
		Pack::writeArray(out, Pack::Little, u8.cbegin(), u8.size());
		Pack::writeArray(out, Pack::Little, u16.cbegin(), u16.size());
		Pack::writeArray(out, Pack::Little, u32.cbegin(), u32.size());
		Pack::writeArray(out, Pack::Little, u64.cbegin(), u64.size());

		std::istringstream in(out.str());
		Pack::readArray(in, Pack::Little, std::back_inserter(r8), 8);
		Pack::readArray(in, Pack::Little, std::back_inserter(r16), 8);
		Pack::readArray(in, Pack::Little, std::back_inserter(r32), 8);
		Pack::readArray(in, Pack::Little, std::back_inserter(r64), 8);


		ASSERT_EQ(u8, r8);
		ASSERT_EQ(u16, r16);
		ASSERT_EQ(u32, r32);
		ASSERT_EQ(u64, r64);
	} catch (const std::exception &error) {
		FAIL() << error.what();
	}
}

TEST(Array, simpleBigEndian)
{
	std::vector<uint8_t> u8 { 1, 2, 3, 4, 5, 6, 7, 8 };
	std::vector<uint16_t> u16 { 10, 20, 30, 40, 50, 60, 70, 80 };
	std::vector<uint32_t> u32 { 100, 200, 300, 400, 500, 600, 700, 800 };
	std::vector<uint64_t> u64 { 1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000 };

	std::vector<uint8_t> r8;
	std::vector<uint16_t> r16;
	std::vector<uint32_t> r32;
	std::vector<uint64_t> r64;

	try {
		std::ostringstream out;
		Pack::writeArray(out, Pack::Big, u8.cbegin(), u8.size());
		Pack::writeArray(out, Pack::Big, u16.cbegin(), u16.size());
		Pack::writeArray(out, Pack::Big, u32.cbegin(), u32.size());
		Pack::writeArray(out, Pack::Big, u64.cbegin(), u64.size());

		std::istringstream in(out.str());
		Pack::readArray(in, Pack::Big, std::back_inserter(r8), 8);
		Pack::readArray(in, Pack::Big, std::back_inserter(r16), 8);
		Pack::readArray(in, Pack::Big, std::back_inserter(r32), 8);
		Pack::readArray(in, Pack::Big, std::back_inserter(r64), 8);


		ASSERT_EQ(u8, r8);
		ASSERT_EQ(u16, r16);
		ASSERT_EQ(u32, r32);
		ASSERT_EQ(u64, r64);
	} catch (const std::exception &error) {
		FAIL() << error.what();
	}
}

int main(int argc, char **argv)
{
	testing::InitGoogleTest(&argc, argv);

	return RUN_ALL_TESTS();
}