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https://github.com/Rogiel/PacketBuffer
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413
tests/Unpacker.cpp
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413
tests/Unpacker.cpp
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/*
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* Copyright (c) 2017, Rogiel Sulzbach
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Rogiel Sulzbach nor the names of contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <catch.hpp>
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#include <sstream>
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#include <algorithm>
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#include <stdexcept>
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#include <PacketBuffer/PacketBuffer.h>
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std::string hex_to_string(const std::string& input) {
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static const char* const lut = "0123456789ABCDEF";
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size_t len = input.length();
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if(len & 1) throw std::invalid_argument("odd length");
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std::string output;
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output.reserve(len / 2);
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for(size_t i = 0; i < len; i += 2) {
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char a = input[i];
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const char* p = std::lower_bound(lut, lut + 16, a);
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if(*p != a) throw std::invalid_argument("not a hex digit");
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char b = input[i + 1];
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const char* q = std::lower_bound(lut, lut + 16, b);
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if(*q != b) throw std::invalid_argument("not a hex digit");
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output.push_back(((p - lut) << 4) | (q - lut));
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}
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return output;
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}
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TEST_CASE("Unpacker", "[unpacker]") {
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std::stringstream ss;
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SECTION("little endian") {
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PacketBuffer::Unpacker<std::istream, boost::endian::order::little> unpacker(ss);
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SECTION("uint8_t") {
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SECTION("min") {
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ss.str(hex_to_string("00"));
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CHECK(unpacker.unpack<uint8_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("01"));
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CHECK(unpacker.unpack<uint8_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("FF"));
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CHECK(unpacker.unpack<uint8_t>() == 255);
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}
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}
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SECTION("int8_t") {
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SECTION("min") {
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ss.str(hex_to_string("80"));
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CHECK(unpacker.unpack<int8_t>() == -128);
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}
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SECTION("zero") {
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ss.str(hex_to_string("00"));
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CHECK(unpacker.unpack<int8_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("01"));
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CHECK(unpacker.unpack<int8_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("7F"));
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CHECK(unpacker.unpack<int8_t>() == 127);
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}
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}
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SECTION("uint16_t") {
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SECTION("min") {
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ss.str(hex_to_string("0000"));
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CHECK(unpacker.unpack<uint16_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("0100"));
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CHECK(unpacker.unpack<uint16_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("FFFF"));
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CHECK(unpacker.unpack<uint16_t>() == 65535);
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}
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}
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SECTION("int16_t") {
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SECTION("min") {
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ss.str(hex_to_string("0080"));
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CHECK(unpacker.unpack<int16_t>() == -32768);
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}
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SECTION("zero") {
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ss.str(hex_to_string("0000"));
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CHECK(unpacker.unpack<int16_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("0100"));
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CHECK(unpacker.unpack<int16_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("FF7F"));
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CHECK(unpacker.unpack<int16_t>() == 32767);
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}
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}
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SECTION("uint32_t") {
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SECTION("min") {
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ss.str(hex_to_string("00000000"));
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CHECK(unpacker.unpack<uint32_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("01000000"));
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CHECK(unpacker.unpack<uint32_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("FFFFFFFF"));
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CHECK(unpacker.unpack<uint32_t>() == 4294967295);
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}
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}
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SECTION("int32_t") {
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SECTION("min") {
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ss.str(hex_to_string("00000080"));
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CHECK(unpacker.unpack<int32_t>() == -2147483648);
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}
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SECTION("zero") {
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ss.str(hex_to_string("00000000"));
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CHECK(unpacker.unpack<int32_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("01000000"));
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CHECK(unpacker.unpack<int32_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("FFFFFF7F"));
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CHECK(unpacker.unpack<int32_t>() == 2147483647);
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}
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}
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SECTION("uint64_t") {
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SECTION("min") {
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ss.str(hex_to_string("0000000000000000"));
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CHECK(unpacker.unpack<uint64_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("0100000000000000"));
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CHECK(unpacker.unpack<uint64_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("FFFFFFFFFFFFFFFF"));
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CHECK(unpacker.unpack<uint64_t>() == 18446744073709551615UL);
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}
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}
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SECTION("int64_t") {
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SECTION("min") {
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ss.str(hex_to_string("0000000000000080"));
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CHECK(unpacker.unpack<int64_t>() == -9223372036854775808L);
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}
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SECTION("zero") {
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ss.str(hex_to_string("0000000000000000"));
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CHECK(unpacker.unpack<int64_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("0100000000000000"));
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CHECK(unpacker.unpack<int64_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("FFFFFFFFFFFFFF7F"));
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CHECK(unpacker.unpack<int64_t>() == 9223372036854775807L);
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}
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}
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SECTION("bool") {
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SECTION("true") {
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ss.str(hex_to_string("01"));
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CHECK(unpacker.unpack<bool>() == true);
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}
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SECTION("false") {
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ss.str(hex_to_string("00"));
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CHECK(unpacker.unpack<bool>() == false);
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}
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}
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}
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SECTION("big endian") {
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PacketBuffer::Unpacker<std::istream, boost::endian::order::big> unpacker(ss);
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SECTION("uint8_t") {
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SECTION("min") {
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ss.str(hex_to_string("00"));
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CHECK(unpacker.unpack<uint8_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("01"));
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CHECK(unpacker.unpack<uint8_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("FF"));
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CHECK(unpacker.unpack<uint8_t>() == 255);
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}
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}
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SECTION("int8_t") {
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SECTION("min") {
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ss.str(hex_to_string("80"));
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CHECK(unpacker.unpack<int8_t>() == -128);
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}
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SECTION("zero") {
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ss.str(hex_to_string("00"));
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CHECK(unpacker.unpack<int8_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("01"));
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CHECK(unpacker.unpack<int8_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("7F"));
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CHECK(unpacker.unpack<int8_t>() == 127);
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}
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}
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SECTION("uint16_t") {
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SECTION("min") {
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ss.str(hex_to_string("0000"));
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CHECK(unpacker.unpack<uint16_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("0001"));
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CHECK(unpacker.unpack<uint16_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("FFFF"));
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CHECK(unpacker.unpack<uint16_t>() == 65535);
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}
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}
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SECTION("int16_t") {
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SECTION("min") {
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ss.str(hex_to_string("8000"));
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CHECK(unpacker.unpack<int16_t>() == -32768);
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}
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SECTION("zero") {
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ss.str(hex_to_string("0000"));
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CHECK(unpacker.unpack<int16_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("0001"));
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CHECK(unpacker.unpack<int16_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("7FFF"));
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CHECK(unpacker.unpack<int16_t>() == 32767);
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}
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}
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SECTION("uint32_t") {
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SECTION("min") {
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ss.str(hex_to_string("00000000"));
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CHECK(unpacker.unpack<uint32_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("00000001"));
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CHECK(unpacker.unpack<uint32_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("FFFFFFFF"));
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CHECK(unpacker.unpack<uint32_t>() == 4294967295);
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}
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}
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SECTION("int32_t") {
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SECTION("min") {
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ss.str(hex_to_string("80000000"));
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CHECK(unpacker.unpack<int32_t>() == -2147483648);
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}
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SECTION("zero") {
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ss.str(hex_to_string("00000000"));
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CHECK(unpacker.unpack<int32_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("00000001"));
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CHECK(unpacker.unpack<int32_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("7FFFFFFF"));
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CHECK(unpacker.unpack<int32_t>() == 2147483647);
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}
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}
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SECTION("uint64_t") {
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SECTION("min") {
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ss.str(hex_to_string("0000000000000000"));
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CHECK(unpacker.unpack<uint64_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("0000000000000001"));
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CHECK(unpacker.unpack<uint64_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("FFFFFFFFFFFFFFFF"));
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CHECK(unpacker.unpack<uint64_t>() == 18446744073709551615UL);
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}
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}
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SECTION("int64_t") {
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SECTION("min") {
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ss.str(hex_to_string("8000000000000000"));
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CHECK(unpacker.unpack<int64_t>() == -9223372036854775808L);
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}
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SECTION("zero") {
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ss.str(hex_to_string("0000000000000000"));
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CHECK(unpacker.unpack<int64_t>() == 0);
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}
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SECTION("one") {
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ss.str(hex_to_string("0000000000000001"));
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CHECK(unpacker.unpack<int64_t>() == 1);
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}
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SECTION("max") {
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ss.str(hex_to_string("7FFFFFFFFFFFFFFF"));
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CHECK(unpacker.unpack<int64_t>() == 9223372036854775807L);
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}
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}
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SECTION("bool") {
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SECTION("true") {
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ss.str(hex_to_string("01"));
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CHECK(unpacker.unpack<bool>() == true);
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}
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SECTION("false") {
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ss.str(hex_to_string("00"));
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CHECK(unpacker.unpack<bool>() == false);
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}
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}
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}
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SECTION("should throw an error on overflow") {
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PacketBuffer::Unpacker<std::istream> unpacker(ss);
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// REQUIRE_THROWS(unpacker.unpack<uint32_t>());
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}
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}
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Reference in New Issue
Block a user