clboss/tests/sha256/test_hasher.cpp

#undef NDEBUG
#include"Sha256/Hash.hpp"
#include"Sha256/Hasher.hpp"
#include"Sha256/HasherStream.hpp"
#include"Sha256/fun.hpp"
#include<assert.h>

int main() {
	/* From sha256sum.  */
	assert( Sha256::fun("hello", 5)
	     == Sha256::Hash("2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824")
	      );

	auto hasher = Sha256::Hasher();
	hasher.feed("hel", 3);
	hasher.feed("lo", 2);
	assert( hasher.get()
	     == Sha256::Hash("2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824")
	      );
	assert( std::move(hasher).finalize()
	     == Sha256::Hash("2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824")
	      );

	{
		Sha256::HasherStream hasher;
		hasher << "hello";
		assert( hasher.get_hash()
		     == Sha256::Hash("2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824")
		      );
		assert( std::move(hasher).finalize()
		     == Sha256::Hash("2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824")
		      );
	}
	{
		Sha256::HasherStream hasher;
		hasher << 'h' << 'e' << 'l' << 'l' << 'o';
		assert( std::move(hasher).finalize()
		     == Sha256::Hash("2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824")
		      );
	}
	{
		Sha256::HasherStream hasher;
		/* Test 64-byte buffer overflow.  */
		hasher << "the quick brown fox jumps over the lazy dog.";
		hasher << "the quick brown fox jumps over the lazy dog.";
		assert( std::move(hasher).finalize()
		     == Sha256::Hash("9d1b19cd5ff6fc857d99a4be13727f12b9bd6a78a1b8519e18737341d2e8f960")
		      );
	}

	return 0;
}