RASCSI/cpp/test/ctapdriver_test.cpp

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//---------------------------------------------------------------------------
//
// SCSI Target Emulator PiSCSI
// for Raspberry Pi
//
// Copyright (C) 2022-2023 Uwe Seimet
//
//---------------------------------------------------------------------------
#include "mocks.h"
#include <net/ethernet.h>
#include "devices/ctapdriver.h"
TEST(CTapDriverTest, Crc32)
{
array<uint8_t, ETH_FRAME_LEN> buf;
buf.fill(0x00);
EXPECT_EQ(0xe3d887bb, CTapDriver::Crc32(span(buf.data(), ETH_FRAME_LEN)));
buf.fill(0xff);
EXPECT_EQ(0x814765f4, CTapDriver::Crc32(span(buf.data(), ETH_FRAME_LEN)));
buf.fill(0x10);
EXPECT_EQ(0xb7288Cd3, CTapDriver::Crc32(span(buf.data(), ETH_FRAME_LEN)));
buf.fill(0x7f);
EXPECT_EQ(0x4b543477, CTapDriver::Crc32(span(buf.data(), ETH_FRAME_LEN)));
buf.fill(0x80);
EXPECT_EQ(0x29cbd638, CTapDriver::Crc32(span(buf.data(), ETH_FRAME_LEN)));
for (size_t i = 0; i < buf.size(); i++) {
buf[i] = (uint8_t)i;
}
EXPECT_EQ(0xe7870705, CTapDriver::Crc32(span(buf.data(), ETH_FRAME_LEN)));
for (size_t i = buf.size() - 1; i > 0; i--) {
buf[i] = (uint8_t)i;
}
EXPECT_EQ(0xe7870705, CTapDriver::Crc32(span(buf.data(), ETH_FRAME_LEN)));
}