text: #include <gtest/gtest.h>
  #include <algorithm>
  #include <vector>
  #include "fingerprint_decompressor.h"
  #include "utils/base64.h"
  #include "utils.h"
  #include "test_utils.h"
  
  using namespace chromaprint;
  
  TEST(FingerprintDecompressor, OneItemOneBit)
  {
  	uint32_t expected[] = { 1 };
  	char data[] = { 0, 0, 0, 1, 1 };
  
  	int algorithm = 1;
  	std::vector<uint32_t> value = DecompressFingerprint(std::string(data, NELEMS(data)), &algorithm);
  	CheckFingerprints(value, expected, NELEMS(expected));
  	ASSERT_EQ(0, algorithm);
  }
  
  
  TEST(FingerprintDecompressor, OneItemThreeBits)
  {
  	uint32_t expected[] = { 7 };
  	char data[] = { 0, 0, 0, 1, 73, 0 };
  
  	int algorithm = 1;
  	std::vector<uint32_t> value = DecompressFingerprint(std::string(data, NELEMS(data)), &algorithm);
  	CheckFingerprints(value, expected, NELEMS(expected));
  	ASSERT_EQ(0, algorithm);
  }
  
  TEST(FingerprintDecompressor, OneItemOneBitExcept)
  {
  	uint32_t expected[] = { 1<<6 };
  	char data[] = { 0, 0, 0, 1, 7, 0 };
  
  	int algorithm = 1;
  	std::vector<uint32_t> value = DecompressFingerprint(std::string(data, NELEMS(data)), &algorithm);
  	CheckFingerprints(value, expected, NELEMS(expected));
  	ASSERT_EQ(0, algorithm);
  }
  
  TEST(FingerprintDecompressor, OneItemOneBitExcept2)
  {
  	uint32_t expected[] = { 1<<8 };
  	char data[] = { 0, 0, 0, 1, 7, 2 };
  
  	int algorithm = 1;
  	std::vector<uint32_t> value = DecompressFingerprint(std::string(data, NELEMS(data)), &algorithm);
  	CheckFingerprints(value, expected, NELEMS(expected));
  	ASSERT_EQ(0, algorithm);
  }
  
  TEST(FingerprintDecompressor, TwoItems)
  {
  	uint32_t expected[] = { 1, 0 };
  	char data[] = { 0, 0, 0, 2, 65, 0 };
  
  	int algorithm = 1;
  	std::vector<uint32_t> value = DecompressFingerprint(std::string(data, NELEMS(data)), &algorithm);
  	CheckFingerprints(value, expected, NELEMS(expected));
  	ASSERT_EQ(0, algorithm);
  }
  
  TEST(FingerprintDecompressor, TwoItemsNoChange)
  {
  	uint32_t expected[] = { 1, 1 };
  	char data[] = { 0, 0, 0, 2, 1, 0 };
  
  	int algorithm = 1;
  	std::vector<uint32_t> value = DecompressFingerprint(std::string(data, NELEMS(data)), &algorithm);
  	CheckFingerprints(value, expected, NELEMS(expected));
  	ASSERT_EQ(0, algorithm);
  }
  
  TEST(FingerprintDecompressor, Invalid1)
  {
  	uint32_t expected[] = { 0 };
  	char data[] = { 0, char(255), char(255), char(255) };
  
  	int algorithm = 1;
  	std::vector<uint32_t> value = DecompressFingerprint(std::string(data, NELEMS(data)), &algorithm);
  	CheckFingerprints(value, expected, 0);
  	ASSERT_EQ(0, algorithm);
  }
  
  TEST(FingerprintDecompressor, Long)
  {
  	int32_t expected[] = { -587455133,-591649759,-574868448,-576973520,-543396544,1330439488,1326360000,1326355649,1191625921,1192674515,1194804466,1195336818,1165981042,1165956451,1157441379,1157441299,1291679571,1291673457,1170079601 };
  	std::string data = Base64Decode("AQAAEwkjrUmSJQpUHflR9mjSJMdZpcO_Imdw9dCO9Clu4_wQPvhCB01w6xAtXNcAp5RASgDBhDSCGGIAcwA");
  
  	int algorithm = 2;
  	std::vector<uint32_t> value = DecompressFingerprint(data, &algorithm);
  	CheckFingerprints(value, (uint32_t *) expected, NELEMS(expected));
  	ASSERT_EQ(1, algorithm);
  }
  