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MPS Reader Tests: Test two rounds of fetching in multiple steps

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Signed-off-by: Hanno Becker <hanno.becker@arm.com>
This commit is contained in:
Hanno Becker 2021-01-12 08:11:40 +00:00
parent dbd8a96487
commit 7973b2dcac
2 changed files with 50 additions and 0 deletions
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6
tests/suites/test_suite_mps.data
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@ -15,3 +15,9 @@ mbedtls_mps_reader_no_pausing_multiple_steps_single_round:0
MPS Reader: Multiple steps, single round, pausing enabled but unused
mbedtls_mps_reader_no_pausing_multiple_steps_single_round:1
MPS Reader: Multiple steps, multiple rounds, pausing disabled
mbedtls_mps_reader_no_pausing_multiple_steps_multiple_rounds:0
MPS Reader: Multiple steps, multiple rounds, pausing enabled but unused
mbedtls_mps_reader_no_pausing_multiple_steps_multiple_rounds:1

44
tests/suites/test_suite_mps.function
View File

@ -160,3 +160,47 @@ void mbedtls_mps_reader_no_pausing_multiple_steps_single_round( int with_acc )
mbedtls_reader_free( &rd );
}
/* END_CASE */
/* BEGIN_CASE depends_on:TEST_SUITE_MPS_READER */
void mbedtls_mps_reader_no_pausing_multiple_steps_multiple_rounds( int with_acc )
{
/* This test exercises one round of fetching a buffer in multiple chunks
* and passing it back to the producer afterwards, followed by another
* single-step sequence of feed-fetch-commit-reclaim.
*/
unsigned char bufA[100], bufB[100];
unsigned char acc[10];
unsigned char *tmp;
mbedtls_mps_size_t tmp_len;
mbedtls_reader rd;
for( int i=0; (unsigned) i < sizeof( bufA ); i++ )
bufA[i] = (unsigned char) i;
for( int i=0; (unsigned) i < sizeof( bufB ); i++ )
bufB[i] = ~ ((unsigned char) i);
/* Preparation (lower layer) */
if( with_acc == 0 )
mbedtls_reader_init( &rd, NULL, 0 );
else
mbedtls_reader_init( &rd, acc, sizeof( acc ) );
TEST_ASSERT( mbedtls_reader_feed( &rd, bufA, sizeof( bufA ) ) == 0 );
/* Consumption (upper layer) */
TEST_ASSERT( mbedtls_reader_get( &rd, 10, &tmp, NULL ) == 0 );
ASSERT_COMPARE( tmp, 10, bufA, 10 );
TEST_ASSERT( mbedtls_reader_get( &rd, 70, &tmp, NULL ) == 0 );
ASSERT_COMPARE( tmp, 70, bufA + 10, 70 );
TEST_ASSERT( mbedtls_reader_get( &rd, 30, &tmp, &tmp_len ) == 0 );
ASSERT_COMPARE( tmp, tmp_len, bufA + 80, 20 );
TEST_ASSERT( mbedtls_reader_commit( &rd ) == 0 );
/* Preparation */
TEST_ASSERT( mbedtls_reader_reclaim( &rd, NULL ) == 0 );
TEST_ASSERT( mbedtls_reader_feed( &rd, bufB, sizeof( bufB ) ) == 0 );
/* Consumption */
TEST_ASSERT( mbedtls_reader_get( &rd, 100, &tmp, NULL ) == 0 );
ASSERT_COMPARE( tmp, 100, bufB, 100 );
TEST_ASSERT( mbedtls_reader_commit( &rd ) == 0 );
/* Wrapup */
TEST_ASSERT( mbedtls_reader_reclaim( &rd, NULL ) == 0 );
mbedtls_reader_free( &rd );
}
/* END_CASE */