crc32_test.c File Reference

CRC32 tests. More...

#include <stdint.h>
#include <ipxe/crc32.h>
#include <ipxe/test.h>

Go to the source code of this file.

Data Structures
struct	crc32_test
	A CRC32 test. More...

Macros
#define	DATA(...)
	Define inline data.
#define	CRC32_TEST(name, DATA, SEED, CRC32)
	Define a CRC32 test.
#define	crc32_ok(test)
	Report a CRC32 test result.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
	CRC32_TEST (empty_test, DATA(), 0x12345678UL, 0x12345678UL)
	CRC32_TEST (hw_test, DATA( 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd'), 0xffffffffUL, 0xf2b5ee7aUL)
	CRC32_TEST (hw_split_part1_test, DATA( 'h', 'e', 'l', 'l', 'o'), 0xffffffffUL, 0xc9ef5979UL)
	CRC32_TEST (hw_split_part2_test, DATA(' ', 'w', 'o', 'r', 'l', 'd'), 0xc9ef5979UL, 0xf2b5ee7aUL)
static void	crc32_test_exec (void)
	Perform CRC32 self-tests.

Variables
struct self_test crc32_test	__self_test
	CRC32 self-test.

Detailed Description

CRC32 tests.

Test vectors generated using Perl's Digest::CRC:

use Digest::CRC qw ( crc );

printf "%#08x", crc ( $data, 32, $seed, 0, 1, 0x04c11db7, 1 );

Definition in file crc32_test.c.

Macro Definition Documentation

DATA

#define DATA

(

...

)

Value:

{ __VA_ARGS__ }

Define inline data.

Definition at line 47 of file crc32_test.c.

CRC32_TEST

#define CRC32_TEST	(		name,
			DATA,
			SEED,
			CRC32 )

Value:

        static const uint8_t name ## _data[] = DATA;                     \
        static struct crc32_test name = {                         \
                .data = name ## _data,                                      \
                .len = sizeof ( name ## _data ),                    \
                .seed = SEED,                                           \
                .crc32 = CRC32,                                            \
        };

Define a CRC32 test.

Parameters

name	Test name
DATA	Test data
SEED	Seed
CRC32	Expected CRC32

Return values

test	CRC32 test

Definition at line 70 of file crc32_test.c.

#define CRC32_TEST( name, DATA, SEED, CRC32 )                           \
        static const uint8_t name ## _data[] = DATA;                    \
        static struct crc32_test name = {                               \
                .data = name ## _data,                                  \
                .len = sizeof ( name ## _data ),                        \
                .seed = SEED,                                           \
                .crc32 = CRC32,                                         \
        };

crc32_ok

#define crc32_ok

(

test

)

Value:

        do {                                            \
        uint32_t crc32;                                                 \
        crc32 = crc32_le ( (test)->seed, (test)->data, (test)->len );        \
        ok ( crc32 == (test)->crc32 );                                      \
        } while ( 0 )

Report a CRC32 test result.

Parameters

test	CRC32 test

Definition at line 84 of file crc32_test.c.

#define crc32_ok( test ) do {                                           \
        uint32_t crc32;                                                 \
        crc32 = crc32_le ( (test)->seed, (test)->data, (test)->len );   \
        ok ( crc32 == (test)->crc32 );                                  \
        } while ( 0 )

Referenced by crc32_test_exec().

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

CRC32_TEST() [1/4]

CRC32_TEST	(	empty_test	,
		DATA()	,
		0x12345678UL	,
		0x12345678UL	)

References DATA.

CRC32_TEST() [2/4]

CRC32_TEST	(	hw_test	,
		DATA('h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd')	,
		0xffffffffUL	,
		0xf2b5ee7aUL	)

References DATA.

CRC32_TEST() [3/4]

CRC32_TEST	(	hw_split_part1_test	,
		DATA('h', 'e', 'l', 'l', 'o')	,
		0xffffffffUL	,
		0xc9ef5979UL	)

References DATA.

CRC32_TEST() [4/4]

CRC32_TEST	(	hw_split_part2_test	,
		DATA(' ', 'w', 'o', 'r', 'l', 'd')	,
		0xc9ef5979UL	,
		0xf2b5ee7aUL	)

References DATA.

crc32_test_exec()

void crc32_test_exec ( void )

static

Perform CRC32 self-tests.

Definition at line 108 of file crc32_test.c.

                                     {
 
        crc32_ok ( &empty_test );
        crc32_ok ( &hw_test );
        crc32_ok ( &hw_split_part1_test );
        crc32_ok ( &hw_split_part2_test );
}

References crc32_ok.

Variable Documentation

__self_test

struct self_test crc32_test __self_test

Initial value:

= {
        .name = "crc32",
        .exec = crc32_test_exec,
}

CRC32 self-test.

Definition at line 117 of file crc32_test.c.

                                          {
        .name = "crc32",
        .exec = crc32_test_exec,
};