crates/crc/tests/crc.rs

use crc::*;

const INIT: &[u8] = b"123456789";

const INIT_PART1: &[u8] = b"1234";
const INIT_PART2: &[u8] = b"56789";

#[test]
fn crc_8() {
    let algs = &[
        CRC_3_GSM,
        CRC_3_ROHC,
        CRC_4_G_704,
        CRC_4_INTERLAKEN,
        CRC_5_EPC_C1G2,
        CRC_5_G_704,
        CRC_5_USB,
        CRC_6_CDMA2000_A,
        CRC_6_CDMA2000_B,
        CRC_6_DARC,
        CRC_6_G_704,
        CRC_6_GSM,
        CRC_7_MMC,
        CRC_7_ROHC,
        CRC_7_UMTS,
        CRC_8_AUTOSAR,
        CRC_8_BLUETOOTH,
        CRC_8_CDMA2000,
        CRC_8_DARC,
        CRC_8_DVB_S2,
        CRC_8_GSM_A,
        CRC_8_GSM_B,
        CRC_8_I_432_1,
        CRC_8_I_CODE,
        CRC_8_LTE,
        CRC_8_MAXIM_DOW,
        CRC_8_MIFARE_MAD,
        CRC_8_NRSC_5,
        CRC_8_OPENSAFETY,
        CRC_8_ROHC,
        CRC_8_SAE_J1850,
        CRC_8_SMBUS,
        CRC_8_TECH_3250,
        CRC_8_WCDMA,
    ];
    for alg in algs.iter() {
        let crc = Crc::<u8>::new(alg);
        assert_eq!(alg.check, crc.checksum(INIT));
        let mut digest = crc.digest();
        digest.update(INIT_PART1);
        digest.update(INIT_PART2);
        assert_eq!(alg.check, digest.finalize());
    }
}

#[test]
fn crc_16() {
    let algs = &[
        CRC_10_ATM,
        CRC_10_CDMA2000,
        CRC_10_GSM,
        CRC_11_FLEXRAY,
        CRC_11_UMTS,
        CRC_12_CDMA2000,
        CRC_12_DECT,
        CRC_12_GSM,
        CRC_12_UMTS,
        CRC_13_BBC,
        CRC_14_DARC,
        CRC_14_GSM,
        CRC_15_CAN,
        CRC_15_MPT1327,
        CRC_16_ARC,
        CRC_16_CDMA2000,
        CRC_16_CMS,
        CRC_16_DDS_110,
        CRC_16_DECT_R,
        CRC_16_DECT_X,
        CRC_16_DNP,
        CRC_16_EN_13757,
        CRC_16_GENIBUS,
        CRC_16_GSM,
        CRC_16_IBM_3740,
        CRC_16_IBM_SDLC,
        CRC_16_ISO_IEC_14443_3_A,
        CRC_16_KERMIT,
        CRC_16_LJ1200,
        CRC_16_MAXIM_DOW,
        CRC_16_MCRF4XX,
        CRC_16_MODBUS,
        CRC_16_NRSC_5,
        CRC_16_OPENSAFETY_A,
        CRC_16_OPENSAFETY_B,
        CRC_16_PROFIBUS,
        CRC_16_RIELLO,
        CRC_16_SPI_FUJITSU,
        CRC_16_T10_DIF,
        CRC_16_TELEDISK,
        CRC_16_TMS37157,
        CRC_16_UMTS,
        CRC_16_USB,
        CRC_16_XMODEM,
    ];
    for alg in algs.iter() {
        let crc = Crc::<u16>::new(alg);
        assert_eq!(alg.check, crc.checksum(INIT));
        let mut digest = crc.digest();
        digest.update(INIT_PART1);
        digest.update(INIT_PART2);
        assert_eq!(alg.check, digest.finalize());
    }
}

#[test]
fn crc_32() {
    let algs = &[
        CRC_17_CAN_FD,
        CRC_21_CAN_FD,
        CRC_24_BLE,
        CRC_24_FLEXRAY_A,
        CRC_24_FLEXRAY_B,
        CRC_24_INTERLAKEN,
        CRC_24_LTE_A,
        CRC_24_LTE_B,
        CRC_24_OPENPGP,
        CRC_24_OS_9,
        CRC_30_CDMA,
        CRC_31_PHILIPS,
        CRC_32_AIXM,
        CRC_32_AUTOSAR,
        CRC_32_BASE91_D,
        CRC_32_BZIP2,
        CRC_32_CD_ROM_EDC,
        CRC_32_CKSUM,
        CRC_32_ISCSI,
        CRC_32_ISO_HDLC,
        CRC_32_JAMCRC,
        CRC_32_MPEG_2,
        CRC_32_XFER,
    ];
    for alg in algs {
        let crc = Crc::<u32>::new(alg);
        assert_eq!(alg.check, crc.checksum(INIT));
        let mut digest = crc.digest();
        digest.update(INIT_PART1);
        digest.update(INIT_PART2);
        assert_eq!(alg.check, digest.finalize());
    }
}

#[test]
fn crc_64() {
    let algs = &[
        CRC_40_GSM,
        CRC_64_ECMA_182,
        CRC_64_GO_ISO,
        CRC_64_WE,
        CRC_64_XZ,
    ];
    for alg in algs {
        let crc = Crc::<u64>::new(alg);
        assert_eq!(alg.check, crc.checksum(INIT));
        let mut digest = crc.digest();
        digest.update(INIT_PART1);
        digest.update(INIT_PART2);
        assert_eq!(alg.check, digest.finalize());
    }
}

#[test]
fn crc_128() {
    let algs = &[CRC_82_DARC];
    for alg in algs {
        let crc = Crc::<u128>::new(alg);
        assert_eq!(alg.check, crc.checksum(INIT));
        let mut digest = crc.digest();
        digest.update(INIT_PART1);
        digest.update(INIT_PART2);
        assert_eq!(alg.check, digest.finalize());
    }
}