Examples with SimpleSszReader tech.pegasys.teku.infrastructure.ssz.sos.SimpleSszReader used on opensource projects

Example 1 with SimpleSszReader

use of tech.pegasys.teku.infrastructure.ssz.sos.SimpleSszReader in project teku by ConsenSys.

the class SszSchemaTestBase method sszDeserialize_tooLongSszShouldFailFastWithoutReadingWholeInput.

@MethodSource("testSchemaArguments")
@ParameterizedTest
void sszDeserialize_tooLongSszShouldFailFastWithoutReadingWholeInput(SszSchema<SszData> schema) {
    long maxSszLength = schema.getSszLengthBounds().getMaxBytes();
    // ignore too large and degenerative structs
    assumeThat(maxSszLength).isLessThan(32 * 1024 * 1024).isGreaterThan(0);
    // ignore lists using SszSuperNode as many validations are skipped
    if (schema instanceof AbstractSszCollectionSchema) {
        assumeThat(((AbstractSszCollectionSchema<?, ?>) schema).getHints().getHint(SszSuperNodeHint.class)).describedAs("uses SszSuperNode").isEmpty();
    }
    SszData data = randomSsz.randomData(schema);
    Bytes ssz = data.sszSerialize();
    Bytes sszWithExtraData = Bytes.wrap(ssz, Bytes.random((int) (maxSszLength - ssz.size() + 1)));
    AtomicInteger bytesCounter = new AtomicInteger();
    SimpleSszReader countingReader = new SimpleSszReader(sszWithExtraData) {

        @Override
        public Bytes read(int length) {
            bytesCounter.addAndGet(length);
            return super.read(length);
        }
    };
    assertThatThrownBy(() -> schema.sszDeserialize(countingReader)).isInstanceOf(SszDeserializeException.class);
    assertThat(bytesCounter.get()).isLessThanOrEqualTo(ssz.size());
}