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Remove tests (for now)

This commit is contained in:
Sijmen 2021-01-26 01:26:12 +01:00
parent 32dec9b4d8
commit 7f405f4d49
Signed by: vijfhoek
GPG Key ID: DAF7821E067D9C48
10 changed files with 0 additions and 2217 deletions
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45
tests/Makefile
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SRCDIR = ../src
TESTDIR = .
SRCOBJS := $(addprefix $(SRCDIR)/, net-utils.o net-arp.o net-ethernet.o)
TESTOBJS := $(addprefix $(TESTDIR)/, test.o net-arp.o net-utils.o)
OBJS := $(SRCOBJS) $(TESTOBJS)
INCLUDE = -I../uspi/include/ -I..
CC := clang
CXX := clang++
CFLAGS += $(ARCH) $(INCLUDE) -MMD -MP -Wall -Wno-psabi -fsigned-char -fno-builtin -g -DNDEBUG -fprofile-instr-generate -fcoverage-mapping -fsanitize=address,undefined -fno-omit-frame-pointer
CXXFLAGS := $(CFLAGS) $(CXXFLAGS) -std=c++11
CFLAGS += -fno-delete-null-pointer-checks -fdata-sections -ffunction-sections -u _printf_float -std=gnu99
TARGET ?= test
DEPENDS := $(patsubst %.o,%.d,$(OBJS))
-include $(DEPENDS)
.PHONY: all
all: $(TARGET)
coverage: $(TARGET)
LLVM_PROFILE_FILE="$(TARGET).profraw" ./$(TARGET)
llvm-profdata merge -sparse "$(TARGET).profraw" -o "$(TARGET).profdata"
llvm-cov show ./$(TARGET) -instr-profile="$(TARGET).profdata" ../src
$(TARGET): $(OBJS)
@echo " LINK $@"
$(Q)$(CXX) $(CFLAGS) -o $(TARGET) $(OBJS)
generate-inputs: $(SRCOBJS) generate-inputs.o
@echo " LINK $@"
$(Q)$(CXX) $(CFLAGS) -o generate-inputs $(SRCOBJS) generate-inputs.o
./generate-inputs
afl: $(SRCOBJS) afl.o
@echo " LINK $@"
$(Q)afl-clang++ $(CFLAGS) -o afl $(SRCOBJS) afl.o
clean:
$(Q)$(RM) $(SRCDIR)/*.o $(TESTDIR)/*.o $(SRCDIR)/*.d $(TESTDIR)/*.d $(TARGET) kernel test afl generate-inputs *.profraw *.profdata

1794
tests/acutest.h
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49
tests/afl.cpp
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#include <array>
#include <cassert>
#include <cstring>
#include <fstream>
#include <src/types.h>
#include <uspi.h>
static uint8_t uspiBuffer[USPI_FRAME_BUFFER_SIZE];
static size_t uspiBufferLength;
extern "C" int USPiEthernetAvailable(void)
{
return 1;
}
extern "C" int USPiReceiveFrame(void* pBuffer, unsigned* pResultLength)
{
memcpy(pBuffer, uspiBuffer, uspiBufferLength);
*pResultLength = uspiBufferLength;
return 1;
}
extern "C" int USPiSendFrame(const void* pBuffer, unsigned nLength)
{
assert(nLength <= USPI_FRAME_BUFFER_SIZE);
memcpy(uspiBuffer, pBuffer, nLength);
uspiBufferLength = nLength;
return nLength;
}
extern "C" void USPiGetMACAddress(unsigned char Buffer[6])
{
for (size_t i = 0; i < 6; i++)
Buffer[i] = i << 4;
}
extern "C" void MsDelay(unsigned) {}
#include <src/net-arp.h>
int main(int, char**)
{
fread(uspiBuffer, 1, sizeof(uspiBuffer), stdin);
Net::Ethernet::Header ethernetHeader;
Net::Arp::HandlePacket(ethernetHeader, uspiBuffer, sizeof(uspiBuffer));
return 0;
}

2
tests/common.h
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#pragma once
extern uint8_t uspiBuffer[USPI_FRAME_BUFFER_SIZE];

41
tests/generate-packets.cpp
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#include <algorithm>
#include <fstream>
#include <iostream>
#include <src/net-arp.h>
#include <src/types.h>
#include <uspi.h>
using namespace Net;
extern "C" int USPiSendFrame(const void* pBuffer, unsigned nLength)
{
return std::min(nLength, static_cast<unsigned>(USPI_FRAME_BUFFER_SIZE));
}
extern "C" void USPiGetMACAddress(unsigned char Buffer[6]) {}
static void generateNetArpPacketValid()
{
std::array<uint8_t, Arp::Packet::SerializedLength()> buffer;
std::ofstream stream("inputs/net-arp-packet-valid.bin");
const Utils::MacAddress sourceMac{10, 11, 12, 13, 14, 15};
const Utils::MacAddress destMac{20, 21, 22, 23, 24, 25};
Arp::Packet packet(Arp::Operation::ARP_OPERATION_REQUEST);
packet.senderMac = sourceMac;
packet.senderIp = Utils::Ipv4Address;
packet.targetMac = destMac;
packet.targetIp = Utils::Ipv4Address;
packet.Serialize(buffer.data(), buffer.size());
stream.write(reinterpret_cast<char*>(buffer.data()), buffer.size());
std::cerr << "Generated Net::Arp::Packet (valid)" << std::endl;
}
int main(int, char**)
{
Utils::Ipv4Address = 0xC0FFEEEE;
generateNetArpPacketValid();
return 0;
}

182
tests/net-arp.cpp
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#include <string>
#include <fstream>
#define TEST_NO_MAIN
#include "acutest.h"
#include <src/net-arp.h>
#include <src/types.h>
#include <uspi.h>
#include "common.h"
#include "net-arp.h"
using namespace Net;
static const auto targetMac = Utils::MacAddress{1, 2, 3, 4, 5, 6};
static const auto senderMac = Utils::MacAddress{11, 12, 13, 14, 15, 16};
static const uint32_t targetIp = 0xCAFE0000;
static const uint32_t senderIp = 0x00C0FFEE;
static void netArpCheckSentPacket(
const uint16_t operation, const Utils::MacAddress targetMac, const uint32_t targetIp)
{
// Check if SendPacket set the ethernet header correctly
Ethernet::Header ethernetHeader;
auto size = Ethernet::Header::Deserialize(ethernetHeader, uspiBuffer, USPI_FRAME_BUFFER_SIZE);
TEST_CHECK(size == Ethernet::Header::SerializedLength());
TEST_CHECK(ethernetHeader.macSource == senderMac);
TEST_CHECK(ethernetHeader.macDestination == targetMac);
// Check if the ARP packet fields were set correctly.
Arp::Packet packet;
size = packet.Deserialize(
uspiBuffer + Ethernet::Header::SerializedLength(), USPI_FRAME_BUFFER_SIZE - size);
TEST_CHECK(size == Arp::Packet::SerializedLength());
TEST_CHECK(packet.hardwareType == 1);
TEST_CHECK(packet.protocolType == Ethernet::EtherType::Ipv4);
TEST_CHECK(packet.hardwareAddressLength == 6);
TEST_CHECK(packet.protocolAddressLength == 4);
TEST_CHECK(packet.operation == operation);
TEST_CHECK(packet.senderMac == senderMac);
TEST_CHECK(packet.senderIp == senderIp);
TEST_CHECK(packet.targetMac == targetMac);
TEST_CHECK(packet.targetIp == targetIp);
}
void TestNetArpPacketSerializeDeserialize()
{
constexpr auto expectedSize = Arp::Packet::SerializedLength();
const Arp::Packet packet(Arp::ARP_OPERATION_REQUEST);
// Serialize
uint8_t buffer[expectedSize];
auto size = packet.Serialize(buffer, expectedSize);
TEST_CHECK(size == expectedSize);
// Deserialize
Arp::Packet deserialized;
size = deserialized.Deserialize(buffer, expectedSize);
TEST_CHECK(size == expectedSize);
// Check if the packet was deserialized correctly
TEST_CHECK(packet.hardwareType == deserialized.hardwareType);
TEST_CHECK(packet.protocolType == deserialized.protocolType);
TEST_CHECK(packet.hardwareAddressLength == deserialized.hardwareAddressLength);
TEST_CHECK(packet.protocolAddressLength == deserialized.protocolAddressLength);
TEST_CHECK(packet.operation == deserialized.operation);
TEST_CHECK(packet.senderMac == deserialized.senderMac);
TEST_CHECK(packet.senderIp == deserialized.senderIp);
TEST_CHECK(packet.targetMac == deserialized.targetMac);
TEST_CHECK(packet.targetIp == deserialized.targetIp);
// Check serialization and deserialization with a too small buffer
TEST_CHECK(packet.Serialize(buffer, expectedSize - 1) == 0);
TEST_CHECK(deserialized.Deserialize(buffer, expectedSize - 1) == 0);
}
void TestNetArpSendPacket()
{
Arp::SendPacket(Arp::ARP_OPERATION_REQUEST, targetMac, senderMac, targetIp, senderIp);
netArpCheckSentPacket(Arp::ARP_OPERATION_REQUEST, targetMac, targetIp);
}
void TestNetArpSendRequest()
{
Arp::SendRequest(targetMac, senderMac, targetIp, senderIp);
netArpCheckSentPacket(Arp::ARP_OPERATION_REQUEST, targetMac, targetIp);
}
void TestNetArpSendReply()
{
Arp::SendReply(targetMac, senderMac, targetIp, senderIp);
netArpCheckSentPacket(Arp::ARP_OPERATION_REPLY, targetMac, targetIp);
}
void TestNetArpSendAnnouncement()
{
Arp::SendAnnouncement(senderMac, senderIp);
netArpCheckSentPacket(Arp::ARP_OPERATION_REPLY, Utils::MacBroadcast, senderIp);
}
void loadFrame(const std::string path)
{
std::ifstream stream(path);
stream.read(reinterpret_cast<char*>(uspiBuffer), sizeof(uspiBuffer));
}
void TestNetArpHandlePacketInvalid()
{
Ethernet::Header ethernetHeader;
std::array<uint8_t, USPI_FRAME_BUFFER_SIZE> bufferRef = {};
auto buffer = bufferRef;
Arp::HandlePacket(ethernetHeader, buffer.data(), Arp::Packet::SerializedLength() - 1);
TEST_CHECK(buffer == bufferRef);
Arp::Packet reference(Arp::ARP_OPERATION_REQUEST);
reference.targetIp = Utils::Ipv4Address;
{
auto packet = reference;
packet.hardwareType = 2;
const auto size = packet.Serialize(bufferRef.data(), bufferRef.size());
buffer = bufferRef;
Arp::HandlePacket(ethernetHeader, buffer.data(), size);
TEST_CHECK(buffer == bufferRef);
}
{
auto packet = reference;
packet.protocolType = static_cast<Ethernet::EtherType>(1337);
const auto size = packet.Serialize(bufferRef.data(), bufferRef.size());
buffer = bufferRef;
Arp::HandlePacket(ethernetHeader, buffer.data(), size);
TEST_CHECK(buffer == bufferRef);
}
{
auto packet = reference;
packet.targetIp = 0xFEEDFEED;
const auto size = packet.Serialize(bufferRef.data(), bufferRef.size());
buffer = bufferRef;
Arp::HandlePacket(ethernetHeader, buffer.data(), size);
TEST_CHECK(buffer == bufferRef);
}
{
auto packet = reference;
packet.operation = static_cast<Arp::Operation>(31337);
const auto size = packet.Serialize(bufferRef.data(), bufferRef.size());
buffer = bufferRef;
Arp::HandlePacket(ethernetHeader, buffer.data(), size);
TEST_CHECK(buffer == bufferRef);
}
}
void TestNetArpHandlePacketRequest()
{
Ethernet::Header ethernetHeader;
std::array<uint8_t, USPI_FRAME_BUFFER_SIZE> buffer;
Arp::Packet reference(Arp::ARP_OPERATION_REQUEST);
reference.targetIp = Utils::Ipv4Address;
{
auto packet = reference;
const auto size = packet.Serialize(buffer.data(), buffer.size());
const auto bufferRef = buffer;
Arp::HandlePacket(ethernetHeader, buffer.data(), size);
// Check if we've got a proper response
TEST_CHECK(buffer != bufferRef);
}
}

9
tests/net-arp.h
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#pragma once
void TestNetArpPacketSerializeDeserialize();
void TestNetArpSendPacket();
void TestNetArpSendRequest();
void TestNetArpSendReply();
void TestNetArpSendAnnouncement();
void TestNetArpHandlePacketInvalid();
void TestNetArpHandlePacketRequest();

49
tests/net-utils.cpp
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#define TEST_NO_MAIN
#include "acutest.h"
#include <src/net-utils.h>
using namespace Net;
void TestNetUtilsInternetChecksum()
{
{
const char buffer[] = {1, 2, 3, 4, 5, 6, 7, 8};
const auto checksum = Utils::InternetChecksum(buffer, sizeof(buffer));
TEST_CHECK(checksum == 61419);
}
{
const char buffer[] = {1, 2, 3, 4, 5, 6, 7};
const auto checksum = Utils::InternetChecksum(buffer, sizeof(buffer));
TEST_CHECK(checksum == 61427);
}
{
const char buffer[] = {};
const auto checksum = Utils::InternetChecksum(buffer, sizeof(buffer));
TEST_CHECK(checksum == 65535);
}
}
void TestNetUtilsCrc32()
{
{
const uint8_t buffer[] = {1, 2, 3, 4, 5, 6, 7, 8};
const auto checksum = Utils::Crc32(buffer, sizeof(buffer));
TEST_CHECK(checksum == 1070237893);
}
{
const uint8_t buffer[] = {};
const auto checksum = Utils::Crc32(buffer, sizeof(buffer));
TEST_CHECK(checksum == 0);
}
}
void TestNetUtilsGetMacAddress()
{
const auto mac = Utils::GetMacAddress();
const auto expected = Utils::MacAddress{0x00, 0x10, 0x20, 0x30, 0x40, 0x50};
TEST_CHECK(mac == expected);
}

4
tests/net-utils.h
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#pragma once
void TestNetUtilsInternetChecksum();
void TestNetUtilsCrc32();
void TestNetUtilsGetMacAddress();

42
tests/test.cpp
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#include "acutest.h"
#include <cassert>
#include <cstring>
#include <src/types.h>
#include <uspi.h>
#include <src/net-arp.h>
#include <src/net-ipv4.h>
uint8_t uspiBuffer[USPI_FRAME_BUFFER_SIZE];
extern "C" int USPiSendFrame(const void* pBuffer, unsigned nLength)
{
assert(nLength <= USPI_FRAME_BUFFER_SIZE);
memcpy(uspiBuffer, pBuffer, nLength);
return nLength;
}
extern "C" void USPiGetMACAddress(unsigned char Buffer[6])
{
for (size_t i = 0; i < 6; i++)
{
Buffer[i] = i << 4;
}
}
#include "net-arp.h"
#include "net-utils.h"
TEST_LIST = {
{"Net::Utils::InternetChecksum", TestNetUtilsInternetChecksum},
{"Net::Utils::Crc32", TestNetUtilsCrc32},
{"Net::Utils::GetMacAddress", TestNetUtilsGetMacAddress},
{"Net::Arp::PacketSerializeDeserialize", TestNetArpPacketSerializeDeserialize},
{"Net::Arp::SendPacket", TestNetArpSendPacket},
{"Net::Arp::SendRequest", TestNetArpSendRequest},
{"Net::Arp::SendReply", TestNetArpSendReply},
{"Net::Arp::SendAnnouncement", TestNetArpSendAnnouncement},
{"Net::Arp::HandlePacket Invalid", TestNetArpHandlePacketInvalid},
{"Net::Arp::HandlePacket Request", TestNetArpHandlePacketRequest},
{nullptr, nullptr},
};