parallel-hashmap/tests/dump_load_test.cc

#include <vector>

#include "gmock/gmock.h"
#include "gtest/gtest.h"

#include "parallel_hashmap/phmap.h"

namespace phmap {
namespace container_internal {
namespace {
using ::phmap::flat_hash_set;
using ::phmap::flat_hash_map;
using ::phmap::parallel_flat_hash_map;
using ::phmap::BinaryOutputArchive;
using ::phmap::BinaryInputArchive;
using ::phmap::OutputArchiveWrapper;
using ::phmap::InputArchiveWrapper;

TEST(DumpLoad, FlatHashSet_string) {
    flat_hash_set<std::string> st1;
    BinaryOutputArchive ar_out("./dump.data");

    st1.insert("hello");
    st1.insert("world");
 
    EXPECT_TRUE(st1.dump(ar_out));
    flat_hash_set<std::string> st2;
    BinaryInputArchive ar_in("./dump.data");

    EXPECT_TRUE(st2.load(ar_in));

    EXPECT_EQ(2, st2.size());
    EXPECT_TRUE(st2.count("hello"));
    EXPECT_TRUE(st2.count("world"));
}

TEST(DumpLoad, FlatHashMap_string_uint32) {
    flat_hash_map<std::string, uint32_t> mp1;
    BinaryOutputArchive ar_out("./dump.data");

    mp1["key-1"] = 99;
    mp1["key-2"] = 299;
 
    EXPECT_TRUE(mp1.dump(ar_out));
    flat_hash_map<std::string, uint32_t> mp2;
    BinaryInputArchive ar_in("./dump.data");

    EXPECT_TRUE(mp2.load(ar_in));

    EXPECT_EQ(2, mp2.size());

    EXPECT_TRUE(mp2.count("key-1"));
    EXPECT_TRUE(mp2.count("key-2"));
    EXPECT_EQ(99, mp2.at("key-1"));
    EXPECT_EQ(299, mp2.at("key-2"));
}

TEST(DumpLoad, FlatHashMap_uint64_uint32) {
    flat_hash_map<uint64_t, uint32_t> mp1;
    BinaryOutputArchive ar_out("./dump.data");

    mp1[78731] = 99;
    mp1[13141] = 299;
    mp1[2651] = 101;

    EXPECT_TRUE(mp1.dump(ar_out));
    flat_hash_map<uint64_t, uint32_t> mp2;
    BinaryInputArchive ar_in("./dump.data");

    EXPECT_TRUE(mp2.load(ar_in));

    EXPECT_EQ(3, mp2.size());
    EXPECT_TRUE(mp2.count(78731));
    EXPECT_TRUE(mp2.count(13141));
    EXPECT_EQ(99, mp2.at(78731));
    EXPECT_EQ(101, mp2.at(2651));
}

TEST(DumpLoad, ParallelFlatHashMap_uint64_uint32) {
    parallel_flat_hash_map<uint64_t, uint32_t> mp1;
    OutputArchiveWrapper<BinaryOutputArchive> w_out("./");

    mp1[100] = 99;
    mp1[300] = 299;
    mp1[101] = 992;
    mp1[1300] = 2991;
    mp1[1130] = 299;
    mp1[2130] = 1299;

    EXPECT_TRUE(mp1.dump(w_out));
    parallel_flat_hash_map<uint64_t, uint32_t> mp2;
    InputArchiveWrapper<BinaryInputArchive> w_in("./");

    EXPECT_TRUE(mp2.load(w_in));

    EXPECT_EQ(6, mp2.size());
    EXPECT_EQ(99, mp2[100]);
    EXPECT_EQ(299, mp2[300]);
    EXPECT_EQ(299, mp2[1130]);
    EXPECT_EQ(1299, mp2[2130]);
}

}
}
}