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Simplify selftest functions using macros

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This reduces clutter, making the functions more readable.

Also, it makes lcov see each line as covered. This is not cheating, as the
lines that were previously seen as not covered are not supposed to be reached
anyway (failing branches of the selftests).

Thanks to this and previous test suite enhancements, lcov now sees chacha20.c
and poly1305.c at 100% line coverage, and for chachapoly.c only two lines are
not covered (error returns from lower-level module that should never happen
except perhaps if an alternative implementation returns an unexpected error).
This commit is contained in:
Manuel Pégourié-Gonnard 2018-05-10 11:42:07 +02:00
parent ceb1225d46
commit c0dfcd4bf1
3 changed files with 60 additions and 94 deletions
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45
library/poly1305.c
View file

@ -487,53 +487,44 @@ static const unsigned char test_mac[2][16] =
}
};
#define ASSERT( cond, args ) \
do \
{ \
if( ! ( cond ) ) \
{ \
if( verbose != 0 ) \
mbedtls_printf args; \
\
return( -1 ); \
} \
} \
while( 0 )
int mbedtls_poly1305_self_test( int verbose )
{
unsigned char mac[16];
unsigned i;
int result;
for ( i = 0U; i < 2U; i++ )
for( i = 0U; i < 2U; i++ )
{
if ( verbose != 0 )
{
if( verbose != 0 )
mbedtls_printf( " Poly1305 test %u ", i );
}
result = mbedtls_poly1305_mac( test_keys[i],
test_data[i],
test_data_len[i],
mac );
if ( result != 0 )
{
if ( verbose != 0 )
{
mbedtls_printf( "error code: %i\n", result );
}
ASSERT( 0 == result, ( "error code: %i\n", result ) );
return( -1 );
}
ASSERT( 0 == memcmp( mac, test_mac[i], 16U ), ( "failed (mac)\n" ) );
if ( memcmp( mac, test_mac[i], 16U ) != 0 )
{
if ( verbose != 0 )
{
mbedtls_printf( "failed\n" );
}
return( -1 );
}
if ( verbose != 0 )
{
if( verbose != 0 )
mbedtls_printf( "passed\n" );
}
}
if( verbose != 0 )
{
mbedtls_printf( "\n" );
}
return( 0 );
}