diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/test/hash_tests.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/test/hash_tests.cpp b/src/test/hash_tests.cpp new file mode 100644 index 0000000000..d69cfd706d --- /dev/null +++ b/src/test/hash_tests.cpp @@ -0,0 +1,44 @@ +#include <boost/test/unit_test.hpp> +#include <vector> + +#include "util.h" +#include "hash.h" + +using namespace std; + +BOOST_AUTO_TEST_SUITE(hash_tests) + +BOOST_AUTO_TEST_CASE(murmurhash3) +{ + +#define T(expected, seed, data) BOOST_CHECK_EQUAL(MurmurHash3(seed, ParseHex(data)), expected) + + // Test MurmurHash3 with various inputs. Of course this is retested in the + // bloom filter tests - they would fail if MurmurHash3() had any problems - + // but is useful for those trying to implement Bitcoin libraries as a + // source of test data for their MurmurHash3() primitive during + // development. + // + // The magic number 0xFBA4C795 comes from CBloomFilter::Hash() + + T(0x00000000, 0x00000000, ""); + T(0x6a396f08, 0xFBA4C795, ""); + T(0x81f16f39, 0xffffffff, ""); + + T(0x514e28b7, 0x00000000, "00"); + T(0xea3f0b17, 0xFBA4C795, "00"); + T(0xfd6cf10d, 0x00000000, "ff"); + + T(0x16c6b7ab, 0x00000000, "0011"); + T(0x8eb51c3d, 0x00000000, "001122"); + T(0xb4471bf8, 0x00000000, "00112233"); + T(0xe2301fa8, 0x00000000, "0011223344"); + T(0xfc2e4a15, 0x00000000, "001122334455"); + T(0xb074502c, 0x00000000, "00112233445566"); + T(0x8034d2a0, 0x00000000, "0011223344556677"); + T(0xb4698def, 0x00000000, "001122334455667788"); + +#undef T +} + +BOOST_AUTO_TEST_SUITE_END() |