mosesdecoder/util/probing_hash_table_test.cc
2012-08-03 07:45:16 -04:00

50 lines
1.0 KiB
C++

#include "util/probing_hash_table.hh"
#define BOOST_TEST_MODULE ProbingHashTableTest
#include <boost/test/unit_test.hpp>
#include <boost/scoped_array.hpp>
#include <boost/functional/hash.hpp>
#include <stdint.h>
namespace util {
namespace {
struct Entry {
unsigned char key;
typedef unsigned char Key;
unsigned char GetKey() const {
return key;
}
uint64_t GetValue() const {
return value;
}
uint64_t value;
};
typedef ProbingHashTable<Entry, boost::hash<unsigned char> > Table;
BOOST_AUTO_TEST_CASE(simple) {
size_t size = Table::Size(10, 1.2);
boost::scoped_array<char> mem(new char[size]);
memset(mem.get(), 0, size);
Table table(mem.get(), size);
const Entry *i = NULL;
BOOST_CHECK(!table.Find(2, i));
Entry to_ins;
to_ins.key = 3;
to_ins.value = 328920;
table.Insert(to_ins);
BOOST_REQUIRE(table.Find(3, i));
BOOST_CHECK_EQUAL(3, i->GetKey());
BOOST_CHECK_EQUAL(static_cast<uint64_t>(328920), i->GetValue());
BOOST_CHECK(!table.Find(2, i));
}
} // namespace
} // namespace util