| 22 | namespace crc32c { |
| 23 | |
| 24 | TEST(CRC, StandardResults) { |
| 25 | // From rfc3720 section B.4. |
| 26 | char buf[32]; |
| 27 | |
| 28 | memset(buf, 0, sizeof(buf)); |
| 29 | ASSERT_EQ(0x8a9136aa, Value(buf, sizeof(buf))); |
| 30 | |
| 31 | memset(buf, 0xff, sizeof(buf)); |
| 32 | ASSERT_EQ(0x62a8ab43, Value(buf, sizeof(buf))); |
| 33 | |
| 34 | for (int i = 0; i < 32; i++) { |
| 35 | buf[i] = i; |
| 36 | } |
| 37 | ASSERT_EQ(0x46dd794e, Value(buf, sizeof(buf))); |
| 38 | |
| 39 | for (int i = 0; i < 32; i++) { |
| 40 | buf[i] = 31 - i; |
| 41 | } |
| 42 | ASSERT_EQ(0x113fdb5c, Value(buf, sizeof(buf))); |
| 43 | |
| 44 | unsigned char data[48] = { |
| 45 | 0x01, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 46 | 0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, |
| 47 | 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x18, 0x28, 0x00, 0x00, 0x00, |
| 48 | 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 49 | }; |
| 50 | ASSERT_EQ(0xd9963a56, Value(reinterpret_cast<char*>(data), sizeof(data))); |
| 51 | |
| 52 | // Try unaligned sizes and offsets. |
| 53 | // Accelerated and unaccelerated code both produce these results. |
| 54 | ASSERT_EQ(0xdd1b19be, Value(reinterpret_cast<char*>(data), sizeof(data) - 7)); |
| 55 | ASSERT_EQ(0x4930c4b1, |
| 56 | Value(reinterpret_cast<char*>(data) + 1, sizeof(data) - 4)); |
| 57 | } |
| 58 | |
| 59 | TEST(CRC, Values) { ASSERT_NE(Value("a", 1), Value("foo", 3)); } |
| 60 | |