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https://github.com/yuzu-emu/mbedtls.git
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MPS Reader Tests: Attempt reclaim while more data is available
Signed-off-by: Hanno Becker <hanno.becker@arm.com>
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@ -53,4 +53,13 @@ MPS Reader: Pausing, feed 50 bytes in 50x1b
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mbedtls_mps_reader_pausing_multiple_feeds:1
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mbedtls_mps_reader_pausing_multiple_feeds:1
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MPS Reader: Pausing, feed 50 bytes in 49x1b + 51b
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MPS Reader: Pausing, feed 50 bytes in 49x1b + 51b
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mbedtls_mps_reader_pausing_multiple_feeds:2
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mbedtls_mps_reader_pausing_multiple_feeds:2
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MPS Reader: Reclaim with data remaining #0
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mbedtls_mps_reader_reclaim_data_left:0
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MPS Reader: Reclaim with data remaining #1
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mbedtls_mps_reader_reclaim_data_left:1
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MPS Reader: Reclaim with data remaining #2
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mbedtls_mps_reader_reclaim_data_left:2
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@ -498,3 +498,64 @@ void mbedtls_mps_reader_pausing_multiple_feeds( int option )
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mbedtls_reader_free( &rd );
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mbedtls_reader_free( &rd );
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}
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}
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/* END_CASE */
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/* END_CASE */
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/* BEGIN_CASE depends_on:TEST_SUITE_MPS_READER */
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void mbedtls_mps_reader_reclaim_data_left( int option )
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{
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/* This test exercises the behaviour of the MPS reader when a
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* call to mbedtls_reader_reclaim() is made before all data
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* provided by the producer has been fetched and committed. */
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unsigned char buf[100];
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unsigned char *tmp;
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mbedtls_reader rd;
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for( int i=0; (unsigned) i < sizeof( buf ); i++ )
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buf[i] = (unsigned char) i;
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/* Preparation (lower layer) */
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mbedtls_reader_init( &rd, NULL, 0 );
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TEST_ASSERT( mbedtls_reader_feed( &rd, buf, sizeof( buf ) ) == 0 );
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/* Consumption (upper layer) */
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switch( option )
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{
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case 0:
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/* Fetch (but not commit) the entire buffer. */
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TEST_ASSERT( mbedtls_reader_get( &rd, sizeof( buf ), &tmp, NULL )
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== 0 );
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ASSERT_COMPARE( tmp, 100, buf, 100 );
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break;
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case 1:
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/* Fetch (but not commit) parts of the buffer. */
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TEST_ASSERT( mbedtls_reader_get( &rd, sizeof( buf ) / 2,
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&tmp, NULL ) == 0 );
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ASSERT_COMPARE( tmp, sizeof( buf ) / 2, buf, sizeof( buf ) / 2 );
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break;
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case 2:
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/* Fetch and commit parts of the buffer, then
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* fetch but not commit the rest of the buffer. */
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TEST_ASSERT( mbedtls_reader_get( &rd, sizeof( buf ) / 2,
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&tmp, NULL ) == 0 );
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ASSERT_COMPARE( tmp, sizeof( buf ) / 2, buf, sizeof( buf ) / 2 );
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TEST_ASSERT( mbedtls_reader_commit( &rd ) == 0 );
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TEST_ASSERT( mbedtls_reader_get( &rd, sizeof( buf ) / 2,
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&tmp, NULL ) == 0 );
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ASSERT_COMPARE( tmp, sizeof( buf ) / 2,
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buf + sizeof( buf ) / 2,
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sizeof( buf ) / 2 );
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break;
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default:
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TEST_ASSERT( 0 );
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break;
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}
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/* Wrapup */
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TEST_ASSERT( mbedtls_reader_reclaim( &rd, NULL ) ==
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MBEDTLS_ERR_MPS_READER_DATA_LEFT );
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mbedtls_reader_free( &rd );
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}
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/* END_CASE */
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