leveldb::test Namespace Reference

Namespaces
	anonymous_namespace{testharness.cc}

Classes
class	ErrorEnv
class	Tester

Functions
bool	RegisterTest (const char *base, const char *name, void(*func)())
int	RunAllTests ()
std::string	TmpDir ()
int	RandomSeed ()
Slice	RandomString (Random *rnd, int len, std::string *dst)
std::string	RandomKey (Random *rnd, int len)
Slice	CompressibleString (Random *rnd, double compressed_fraction, size_t len, std::string *dst)

Function Documentation

CompressibleString()

Slice leveldb::test::CompressibleString	(	Random *	rnd,
		double	compressed_fraction,
		size_t	len,
		std::string *	dst
	)

Definition at line 34 of file testutil.cc.

                                                            {
  int raw = static_cast<int>(len * compressed_fraction);
  if (raw < 1) raw = 1;
  std::string raw_data;
  RandomString(rnd, raw, &raw_data);

  // Duplicate the random data until we have filled "len" bytes
  dst->clear();
  while (dst->size() < len) {
    dst->append(raw_data);
  }
  dst->resize(len);
  return Slice(*dst);
}

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RandomKey()

std::string leveldb::test::RandomKey	(	Random *	rnd,
		int	len
	)

Definition at line 20 of file testutil.cc.

                                          {
  // Make sure to generate a wide variety of characters so we
  // test the boundary conditions for short-key optimizations.
  static const char kTestChars[] = {
    '\0', '\1', 'a', 'b', 'c', 'd', 'e', '\xfd', '\xfe', '\xff'
  };
  std::string result;
  for (int i = 0; i < len; i++) {
    result += kTestChars[rnd->Uniform(sizeof(kTestChars))];
  }
  return result;
}

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RandomSeed()

int leveldb::test::RandomSeed

(

)

Definition at line 67 of file testharness.cc.

                 {
  const char* env = getenv("TEST_RANDOM_SEED");
  int result = (env != NULL ? atoi(env) : 301);
  if (result <= 0) {
    result = 301;
  }
  return result;
}

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RandomString()

Slice leveldb::test::RandomString	(	Random *	rnd,
		int	len,
		std::string *	dst
	)

Definition at line 12 of file testutil.cc.

                                                         {
  dst->resize(len);
  for (int i = 0; i < len; i++) {
    (*dst)[i] = static_cast<char>(' ' + rnd->Uniform(95));   // ' ' .. '~'
  }
  return Slice(*dst);
}

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RegisterTest()

bool leveldb::test::RegisterTest	(	const char *	base,
		const char *	name,
		void(*)()	func
	)

Definition at line 24 of file testharness.cc.

                                                                      {
  if (tests == NULL) {
    tests = new std::vector<Test>;
  }
  Test t;
  t.base = base;
  t.name = name;
  t.func = func;
  tests->push_back(t);
  return true;
}

RunAllTests()

int leveldb::test::RunAllTests

(

)

Definition at line 36 of file testharness.cc.

                  {
  const char* matcher = getenv("LEVELDB_TESTS");

  int num = 0;
  if (tests != NULL) {
    for (size_t i = 0; i < tests->size(); i++) {
      const Test& t = (*tests)[i];
      if (matcher != NULL) {
        std::string name = t.base;
        name.push_back('.');
        name.append(t.name);
        if (strstr(name.c_str(), matcher) == NULL) {
          continue;
        }
      }
      fprintf(stderr, "==== Test %s.%s\n", t.base, t.name);
      (*t.func)();
      ++num;
    }
  }
  fprintf(stderr, "==== PASSED %d tests\n", num);
  return 0;
}

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TmpDir()

std::string leveldb::test::TmpDir

(

)

Definition at line 60 of file testharness.cc.

                   {
  std::string dir;
  Status s = Env::Default()->GetTestDirectory(&dir);
  ASSERT_TRUE(s.ok()) << s.ToString();
  return dir;
}

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