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#include <cxxtest/TestSuite.h>
#include "common/crc.h"
#include "common/crc_slow.h"
namespace {
const byte *testString = (const byte *)"The quick brown fox jumps over the lazy dog";
const int testLen = 43;
}
class CrcTestSuite : public CxxTest::TestSuite
{
public:
void test_crc32() {
Common::CRC32 crc;
TS_ASSERT_EQUALS(crc.crcFast(testString, testLen), 0x414fa339U);
uint32 running = crc.getInitRemainder();
for (const byte *ptr = testString; *ptr; ptr++)
running = crc.processByte(*ptr, running);
TS_ASSERT_EQUALS(crc.finalize(running), 0x414fa339U);
}
void test_crc16() {
Common::CRC16 crc;
TS_ASSERT_EQUALS(crc.crcFast(testString, testLen), 0xfcdfU);
uint16 running = crc.getInitRemainder();
for (const byte *ptr = testString; *ptr; ptr++)
running = crc.processByte(*ptr, running);
TS_ASSERT_EQUALS(crc.finalize(running), 0xfcdfU);
}
void test_crc_ccitt() {
Common::CRC_CCITT crc; // aka ccitt-false
TS_ASSERT_EQUALS(crc.crcFast(testString, testLen), 0x8fddU);
uint16 running = crc.getInitRemainder();
for (const byte *ptr = testString; *ptr; ptr++)
running = crc.processByte(*ptr, running);
TS_ASSERT_EQUALS(crc.finalize(running), 0x8fddU);
}
void test_crc_binhex() {
Common::CRC_BINHEX crc; // Aka xmodem
TS_ASSERT_EQUALS(crc.crcFast(testString, testLen), 0xf0c8U);
uint16 running = crc.getInitRemainder();
for (const byte *ptr = testString; *ptr; ptr++)
running = crc.processByte(*ptr, running);
TS_ASSERT_EQUALS(crc.finalize(running), 0xf0c8U);
}
void test_crc32_slow() {
Common::CRC32_Slow crc;
TS_ASSERT_EQUALS(crc.crcSlow(testString, testLen), 0x414fa339U);
}
void test_crc16_slow() {
Common::CRC16_Slow crc;
TS_ASSERT_EQUALS(crc.crcSlow(testString, testLen), 0xfcdfU);
}
void test_crc_ccitt_slow() {
Common::CRC_CCITT_Slow crc; // aka ccitt-false
TS_ASSERT_EQUALS(crc.crcSlow(testString, testLen), 0x8fddU);
}
void test_crc_binhex_slow() {
Common::CRC_BINHEX_Slow crc; // Aka xmodem
TS_ASSERT_EQUALS(crc.crcSlow(testString, testLen), 0xf0c8U);
}
};
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