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#include "string_pool.h" 
 
#include <library/cpp/testing/unittest/registar.h>
 
using namespace NMonitoring; 
 
Y_UNIT_TEST_SUITE(TStringPoolTest) {
    Y_UNIT_TEST(PutIfAbsent) {
        TStringPoolBuilder strPool; 
        strPool.SetSorted(true);

        auto* h1 = strPool.PutIfAbsent("one"); 
        auto* h2 = strPool.PutIfAbsent("two"); 
        auto* h3 = strPool.PutIfAbsent("two"); 
        UNIT_ASSERT(h1 != h2); 
        UNIT_ASSERT(h2 == h3); 
 
        UNIT_ASSERT_VALUES_EQUAL(h1->Frequency, 1); 
        UNIT_ASSERT_VALUES_EQUAL(h1->Index, 0);
 
        UNIT_ASSERT_VALUES_EQUAL(h2->Frequency, 2); 
        UNIT_ASSERT_VALUES_EQUAL(h2->Index, 1);
 
        UNIT_ASSERT_VALUES_EQUAL(strPool.BytesSize(), 6); 
        UNIT_ASSERT_VALUES_EQUAL(strPool.Count(), 2); 
    } 
 
    Y_UNIT_TEST(SortByFrequency) {
        TStringPoolBuilder strPool; 
        strPool.SetSorted(true);

        auto* h1 = strPool.PutIfAbsent("one"); 
        auto* h2 = strPool.PutIfAbsent("two"); 
        auto* h3 = strPool.PutIfAbsent("two"); 
        UNIT_ASSERT(h1 != h2); 
        UNIT_ASSERT(h2 == h3); 
 
        strPool.Build();
 
        UNIT_ASSERT_VALUES_EQUAL(h1->Frequency, 1); 
        UNIT_ASSERT_VALUES_EQUAL(h1->Index, 1); 
 
        UNIT_ASSERT_VALUES_EQUAL(h2->Frequency, 2); 
        UNIT_ASSERT_VALUES_EQUAL(h2->Index, 0); 
 
        UNIT_ASSERT_VALUES_EQUAL(strPool.BytesSize(), 6); 
        UNIT_ASSERT_VALUES_EQUAL(strPool.Count(), 2); 
    } 
 
    Y_UNIT_TEST(ForEach) {
        TStringPoolBuilder strPool; 
        strPool.SetSorted(true);

        strPool.PutIfAbsent("one"); 
        strPool.PutIfAbsent("two"); 
        strPool.PutIfAbsent("two"); 
        strPool.PutIfAbsent("three"); 
        strPool.PutIfAbsent("three"); 
        strPool.PutIfAbsent("three"); 
 
        UNIT_ASSERT_VALUES_EQUAL(strPool.BytesSize(), 11); 
        UNIT_ASSERT_VALUES_EQUAL(strPool.Count(), 3); 
 
        strPool.Build();
 
        TVector<TString> strings;
        TVector<ui32> indexes;
        TVector<ui32> frequences;
        strPool.ForEach([&](TStringBuf str, ui32 index, ui32 freq) { 
            strings.emplace_back(str); 
            indexes.push_back(index); 
            frequences.push_back(freq); 
        }); 
 
        TVector<TString> expectedStrings = {"three", "two", "one"};
        UNIT_ASSERT_EQUAL(strings, expectedStrings); 
 
        TVector<ui32> expectedIndexes = {0, 1, 2};
        UNIT_ASSERT_EQUAL(indexes, expectedIndexes); 
 
        TVector<ui32> expectedFrequences = {3, 2, 1};
        UNIT_ASSERT_EQUAL(frequences, expectedFrequences); 
    } 
}