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MPS Reader Tests: Attempt reclaim while more data is available

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Signed-off-by: Hanno Becker <hanno.becker@arm.com>
This commit is contained in:
Hanno Becker 2021-01-12 08:39:37 +00:00
parent aac41225d3
commit cb2a88ed38
2 changed files with 71 additions and 1 deletions
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9
tests/suites/test_suite_mps.data
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@ -54,3 +54,12 @@ mbedtls_mps_reader_pausing_multiple_feeds:1
MPS Reader: Pausing, feed 50 bytes in 49x1b + 51b MPS Reader: Pausing, feed 50 bytes in 49x1b + 51b
mbedtls_mps_reader_pausing_multiple_feeds:2 mbedtls_mps_reader_pausing_multiple_feeds:2
MPS Reader: Reclaim with data remaining #0
mbedtls_mps_reader_reclaim_data_left:0
MPS Reader: Reclaim with data remaining #1
mbedtls_mps_reader_reclaim_data_left:1
MPS Reader: Reclaim with data remaining #2
mbedtls_mps_reader_reclaim_data_left:2

61
tests/suites/test_suite_mps.function
View File

@ -498,3 +498,64 @@ void mbedtls_mps_reader_pausing_multiple_feeds( int option )
mbedtls_reader_free( &rd ); mbedtls_reader_free( &rd );
} }
/* END_CASE */ /* END_CASE */
/* BEGIN_CASE depends_on:TEST_SUITE_MPS_READER */
void mbedtls_mps_reader_reclaim_data_left( int option )
{
/* This test exercises the behaviour of the MPS reader when a
* call to mbedtls_reader_reclaim() is made before all data
* provided by the producer has been fetched and committed. */
unsigned char buf[100];
unsigned char *tmp;
mbedtls_reader rd;
for( int i=0; (unsigned) i < sizeof( buf ); i++ )
buf[i] = (unsigned char) i;
/* Preparation (lower layer) */
mbedtls_reader_init( &rd, NULL, 0 );
TEST_ASSERT( mbedtls_reader_feed( &rd, buf, sizeof( buf ) ) == 0 );
/* Consumption (upper layer) */
switch( option )
{
case 0:
/* Fetch (but not commit) the entire buffer. */
TEST_ASSERT( mbedtls_reader_get( &rd, sizeof( buf ), &tmp, NULL )
== 0 );
ASSERT_COMPARE( tmp, 100, buf, 100 );
break;
case 1:
/* Fetch (but not commit) parts of the buffer. */
TEST_ASSERT( mbedtls_reader_get( &rd, sizeof( buf ) / 2,
&tmp, NULL ) == 0 );
ASSERT_COMPARE( tmp, sizeof( buf ) / 2, buf, sizeof( buf ) / 2 );
break;
case 2:
/* Fetch and commit parts of the buffer, then
* fetch but not commit the rest of the buffer. */
TEST_ASSERT( mbedtls_reader_get( &rd, sizeof( buf ) / 2,
&tmp, NULL ) == 0 );
ASSERT_COMPARE( tmp, sizeof( buf ) / 2, buf, sizeof( buf ) / 2 );
TEST_ASSERT( mbedtls_reader_commit( &rd ) == 0 );
TEST_ASSERT( mbedtls_reader_get( &rd, sizeof( buf ) / 2,
&tmp, NULL ) == 0 );
ASSERT_COMPARE( tmp, sizeof( buf ) / 2,
buf + sizeof( buf ) / 2,
sizeof( buf ) / 2 );
break;
default:
TEST_ASSERT( 0 );
break;
}
/* Wrapup */
TEST_ASSERT( mbedtls_reader_reclaim( &rd, NULL ) ==
MBEDTLS_ERR_MPS_READER_DATA_LEFT );
mbedtls_reader_free( &rd );
}
/* END_CASE */