diff options
Diffstat (limited to 'src/tests/bigint_test.c')
| -rw-r--r-- | src/tests/bigint_test.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/tests/bigint_test.c b/src/tests/bigint_test.c index 484c5913..f09d7c76 100644 --- a/src/tests/bigint_test.c +++ b/src/tests/bigint_test.c @@ -159,6 +159,16 @@ void bigint_copy_sample ( const bigint_element_t *source0, bigint_copy ( source, dest ); } +void bigint_swap_sample ( bigint_element_t *first0, bigint_element_t *second0, + unsigned int size, int swap ) { + bigint_t ( size ) *first __attribute__ (( may_alias )) + = ( ( void * ) first0 ); + bigint_t ( size ) *second __attribute__ (( may_alias )) + = ( ( void * ) second0 ); + + bigint_swap ( first, second, swap ); +} + void bigint_multiply_sample ( const bigint_element_t *multiplicand0, unsigned int multiplicand_size, const bigint_element_t *multiplier0, @@ -431,6 +441,42 @@ void bigint_mod_exp_sample ( const bigint_element_t *base0, } while ( 0 ) /** + * Report result of big integer swap test + * + * @v first Big integer to be conditionally swapped + * @v second Big integer to be conditionally swapped + */ +#define bigint_swap_ok( first, second ) do { \ + static const uint8_t first_raw[] = first; \ + static const uint8_t second_raw[] = second; \ + uint8_t temp[ sizeof ( first_raw ) ]; \ + unsigned int size = bigint_required_size ( sizeof ( temp) ); \ + bigint_t ( size ) first_temp; \ + bigint_t ( size ) second_temp; \ + {} /* Fix emacs alignment */ \ + \ + assert ( sizeof ( first_raw ) == sizeof ( temp ) ); \ + assert ( sizeof ( second_raw ) == sizeof ( temp ) ); \ + bigint_init ( &first_temp, first_raw, sizeof ( first_raw ) ); \ + bigint_init ( &second_temp, second_raw, sizeof ( second_raw ) );\ + bigint_swap ( &first_temp, &second_temp, 0 ); \ + bigint_done ( &first_temp, temp, sizeof ( temp ) ); \ + ok ( memcmp ( temp, first_raw, sizeof ( temp ) ) == 0 ); \ + bigint_done ( &second_temp, temp, sizeof ( temp ) ); \ + ok ( memcmp ( temp, second_raw, sizeof ( temp ) ) == 0 ); \ + bigint_swap ( &first_temp, &second_temp, 1 ); \ + bigint_done ( &first_temp, temp, sizeof ( temp ) ); \ + ok ( memcmp ( temp, second_raw, sizeof ( temp ) ) == 0 ); \ + bigint_done ( &second_temp, temp, sizeof ( temp ) ); \ + ok ( memcmp ( temp, first_raw, sizeof ( temp ) ) == 0 ); \ + bigint_swap ( &first_temp, &second_temp, 1 ); \ + bigint_done ( &first_temp, temp, sizeof ( temp ) ); \ + ok ( memcmp ( temp, first_raw, sizeof ( temp ) ) == 0 ); \ + bigint_done ( &second_temp, temp, sizeof ( temp ) ); \ + ok ( memcmp ( temp, second_raw, sizeof ( temp ) ) == 0 ); \ + } while ( 0 ) + +/** * Report result of big integer multiplication test * * @v multiplicand Big integer to be multiplied @@ -1373,6 +1419,14 @@ static void bigint_test_exec ( void ) { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff ), 1024 ); + bigint_swap_ok ( BIGINT ( 0x68, 0x65, 0x6c, 0x6c, 0x6f ), + BIGINT ( 0x77, 0x6f, 0x72, 0x6c, 0x64 ) ); + bigint_swap_ok ( BIGINT ( 0xc8, 0x1c, 0x31, 0xd7, 0x13, 0x69, 0x47, + 0x32, 0xb0, 0x0a, 0xf7, 0x2d, 0xb9, 0xc3, + 0x35, 0x96 ), + BIGINT ( 0x8b, 0x1d, 0x8f, 0x21, 0x76, 0x16, 0x4c, + 0xf8, 0xb2, 0x63, 0xed, 0x89, 0x5e, 0x6b, + 0x35, 0x7c ) ); bigint_multiply_ok ( BIGINT ( 0xf0 ), BIGINT ( 0xeb ), BIGINT ( 0xdc, 0x50 ) ); |