Initial commit

test/common/crc.h

@@ -0,0 +1,73 @@
+#include <cxxtest/TestSuite.h>
+
+#include "common/crc.h"
+#include "common/crc_slow.h"
+
+namespace {
+const byte *testStringCRC = (const byte *)"The quick brown fox jumps over the lazy dog";
+const int testLenCRC = 43;
+}
+
+class CrcTestSuite : public CxxTest::TestSuite
+{
+public:
+	void test_crc32() {
+		Common::CRC32 crc;
+		TS_ASSERT_EQUALS(crc.crcFast(testStringCRC, testLenCRC), 0x414fa339U);
+		uint32 running = crc.getInitRemainder();
+		for (const byte *ptr = testStringCRC; *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(testStringCRC, testLenCRC), 0xfcdfU);
+		uint16 running = crc.getInitRemainder();
+		for (const byte *ptr = testStringCRC; *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(testStringCRC, testLenCRC), 0x8fddU);
+		uint16 running = crc.getInitRemainder();
+		for (const byte *ptr = testStringCRC; *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(testStringCRC, testLenCRC), 0xf0c8U);
+		uint16 running = crc.getInitRemainder();
+		for (const byte *ptr = testStringCRC; *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(testStringCRC, testLenCRC), 0x414fa339U);
+	}
+
+	void test_crc16_slow() {
+		Common::CRC16_Slow crc;
+		TS_ASSERT_EQUALS(crc.crcSlow(testStringCRC, testLenCRC), 0xfcdfU);
+	}
+
+	void test_crc_ccitt_slow() {
+		Common::CRC_CCITT_Slow crc; // aka ccitt-false
+		TS_ASSERT_EQUALS(crc.crcSlow(testStringCRC, testLenCRC), 0x8fddU);
+	}
+
+	void test_crc_binhex_slow() {
+		Common::CRC_BINHEX_Slow crc; // Aka xmodem
+		TS_ASSERT_EQUALS(crc.crcSlow(testStringCRC, testLenCRC), 0xf0c8U);
+	}
+};