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#include "histogram_iter.h"
#include <library/cpp/testing/unittest/registar.h>
using namespace NHdr;
Y_UNIT_TEST_SUITE(THistogramIterTest) {
Y_UNIT_TEST(RecordedValues) {
THistogram h(TDuration::Hours(1).MicroSeconds(), 3);
UNIT_ASSERT(h.RecordValues(1000, 1000));
UNIT_ASSERT(h.RecordValue(1000 * 1000));
int index = 0;
TRecordedValuesIterator it(h);
while (it.Next()) {
i64 countInBucket = it.GetCount();
i64 countInStep = it.GetCountAddedInThisIterationStep();
if (index == 0) {
UNIT_ASSERT_EQUAL(countInBucket, 1000);
UNIT_ASSERT_EQUAL(countInStep, 1000);
} else if (index == 1) {
UNIT_ASSERT_EQUAL(countInBucket, 1);
UNIT_ASSERT_EQUAL(countInStep, 1);
} else {
UNIT_FAIL("unexpected index value: " << index);
}
index++;
}
UNIT_ASSERT_EQUAL(index, 2);
}
Y_UNIT_TEST(CorrectedRecordedValues) {
THistogram h(TDuration::Hours(1).MicroSeconds(), 3);
UNIT_ASSERT(h.RecordValuesWithExpectedInterval(1000, 1000, 1000));
UNIT_ASSERT(h.RecordValueWithExpectedInterval(1000 * 1000, 1000));
int index = 0;
i64 totalCount = 0;
TRecordedValuesIterator it(h);
while (it.Next()) {
i64 countInBucket = it.GetCount();
i64 countInStep = it.GetCountAddedInThisIterationStep();
if (index == 0) {
UNIT_ASSERT_EQUAL(countInBucket, 1001);
UNIT_ASSERT_EQUAL(countInStep, 1001);
} else {
UNIT_ASSERT(countInBucket >= 1);
UNIT_ASSERT(countInStep >= 1);
}
index++;
totalCount += countInStep;
}
UNIT_ASSERT_EQUAL(index, 1000);
UNIT_ASSERT_EQUAL(totalCount, 2000);
}
Y_UNIT_TEST(LinearValues) {
THistogram h(TDuration::Hours(1).MicroSeconds(), 3);
UNIT_ASSERT(h.RecordValues(1000, 1000));
UNIT_ASSERT(h.RecordValue(1000 * 1000));
int index = 0;
TLinearIterator it(h, 1000);
while (it.Next()) {
i64 countInBucket = it.GetCount();
i64 countInStep = it.GetCountAddedInThisIterationStep();
if (index == 0) {
UNIT_ASSERT_EQUAL(countInBucket, 1000);
UNIT_ASSERT_EQUAL(countInStep, 1000);
} else if (index == 999) {
UNIT_ASSERT_EQUAL(countInBucket, 1);
UNIT_ASSERT_EQUAL(countInStep, 1);
} else {
UNIT_ASSERT_EQUAL(countInBucket, 0);
UNIT_ASSERT_EQUAL(countInStep, 0);
}
index++;
}
UNIT_ASSERT_EQUAL(index, 1000);
}
Y_UNIT_TEST(CorrectLinearValues) {
THistogram h(TDuration::Hours(1).MicroSeconds(), 3);
UNIT_ASSERT(h.RecordValuesWithExpectedInterval(1000, 1000, 1000));
UNIT_ASSERT(h.RecordValueWithExpectedInterval(1000 * 1000, 1000));
int index = 0;
i64 totalCount = 0;
TLinearIterator it(h, 1000);
while (it.Next()) {
i64 countInBucket = it.GetCount();
i64 countInStep = it.GetCountAddedInThisIterationStep();
if (index == 0) {
UNIT_ASSERT_EQUAL(countInBucket, 1001);
UNIT_ASSERT_EQUAL(countInStep, 1001);
} else {
UNIT_ASSERT_EQUAL(countInBucket, 1);
UNIT_ASSERT_EQUAL(countInStep, 1);
}
index++;
totalCount += countInStep;
}
UNIT_ASSERT_EQUAL(index, 1000);
UNIT_ASSERT_EQUAL(totalCount, 2000);
}
Y_UNIT_TEST(LogarithmicValues) {
THistogram h(TDuration::Hours(1).MicroSeconds(), 3);
UNIT_ASSERT(h.RecordValues(1000, 1000));
UNIT_ASSERT(h.RecordValue(1000 * 1000));
int index = 0;
i64 expectedValue = 1000;
TLogarithmicIterator it(h, 1000, 2.0);
while (it.Next()) {
i64 value = it.GetValue();
i64 countInBucket = it.GetCount();
i64 countInStep = it.GetCountAddedInThisIterationStep();
UNIT_ASSERT_EQUAL(value, expectedValue);
if (index == 0) {
UNIT_ASSERT_EQUAL(countInBucket, 1000);
UNIT_ASSERT_EQUAL(countInStep, 1000);
} else if (index == 10) {
UNIT_ASSERT_EQUAL(countInBucket, 0);
UNIT_ASSERT_EQUAL(countInStep, 1);
} else {
UNIT_ASSERT_EQUAL(countInBucket, 0);
UNIT_ASSERT_EQUAL(countInStep, 0);
}
index++;
expectedValue *= 2;
}
UNIT_ASSERT_EQUAL(index, 11);
}
Y_UNIT_TEST(CorrectedLogarithmicValues) {
THistogram h(TDuration::Hours(1).MicroSeconds(), 3);
UNIT_ASSERT(h.RecordValuesWithExpectedInterval(1000, 1000, 1000));
UNIT_ASSERT(h.RecordValueWithExpectedInterval(1000 * 1000, 1000));
int index = 0;
i64 totalCount = 0;
i64 expectedValue = 1000;
TLogarithmicIterator it(h, 1000, 2.0);
while (it.Next()) {
i64 value = it.GetValue();
i64 countInBucket = it.GetCount();
i64 countInStep = it.GetCountAddedInThisIterationStep();
UNIT_ASSERT_EQUAL(value, expectedValue);
if (index == 0) {
UNIT_ASSERT_EQUAL(countInBucket, 1001);
UNIT_ASSERT_EQUAL(countInStep, 1001);
}
index++;
totalCount += countInStep;
expectedValue *= 2;
}
UNIT_ASSERT_EQUAL(index, 11);
UNIT_ASSERT_EQUAL(totalCount, 2000);
}
Y_UNIT_TEST(LinearIterBucketsCorrectly) {
THistogram h(255, 2);
UNIT_ASSERT(h.RecordValue(193));
UNIT_ASSERT(h.RecordValue(255));
UNIT_ASSERT(h.RecordValue(0));
UNIT_ASSERT(h.RecordValue(1));
UNIT_ASSERT(h.RecordValue(64));
UNIT_ASSERT(h.RecordValue(128));
int index = 0;
i64 totalCount = 0;
TLinearIterator it(h, 64);
while (it.Next()) {
if (index == 0) {
// change after iterator was created
UNIT_ASSERT(h.RecordValue(2));
}
index++;
totalCount += it.GetCountAddedInThisIterationStep();
}
UNIT_ASSERT_EQUAL(index, 4);
UNIT_ASSERT_EQUAL(totalCount, 6);
}
}
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