#include #include "simhash.h" #include "utils.h" using namespace chromaprint; TEST(SimHash, Empty) { ASSERT_EQ(0, SimHash(std::vector())); } TEST(SimHash, Normal) { int32_t data[948] = 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uint32_t hash1 = SimHash(std::vector(data, data + 948)); ASSERT_EQ(1961926954, hash1); } TEST(SimHash, CompareCropped) { int32_t data[948] = 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uint32_t hash1 = SimHash(std::vector(data, data + 948)); uint32_t hash2 = SimHash(std::vector(data + 10, data + 948 - 10)); uint32_t hash3 = SimHash(std::vector(data + 10, data + 948 - 100)); ASSERT_LE(0, HammingDistance(hash1, hash2)); ASSERT_LE(1, HammingDistance(hash1, hash3)); }