Restoring authorship annotation for <msherbakov@yandex-team.ru>. Commit 2 of 2.

11 files changed, 499 insertions, 499 deletions

diff --git a/library/cpp/monlib/encode/json/fuzz/main.cpp b/library/cpp/monlib/encode/json/fuzz/main.cpp
index b85a973a1b..4f40310e06 100644
--- a/library/cpp/monlib/encode/json/fuzz/main.cpp
+++ b/library/cpp/monlib/encode/json/fuzz/main.cpp
@@ -1,16 +1,16 @@
 #include <library/cpp/monlib/encode/json/json.h>
 #include <library/cpp/monlib/encode/fake/fake.h>
- 
-#include <util/generic/strbuf.h> 
- 
- 
-extern "C" int LLVMFuzzerTestOneInput(const ui8* data, size_t size) { 
-    auto encoder = NMonitoring::EncoderFake(); 
- 
-    try { 
-        NMonitoring::DecodeJson({reinterpret_cast<const char*>(data), size}, encoder.Get()); 
-    } catch (...) { 
-    } 
- 
-    return 0; 
-} 
+
+#include <util/generic/strbuf.h>
+
+
+extern "C" int LLVMFuzzerTestOneInput(const ui8* data, size_t size) {
+    auto encoder = NMonitoring::EncoderFake();
+
+    try {
+        NMonitoring::DecodeJson({reinterpret_cast<const char*>(data), size}, encoder.Get());
+    } catch (...) {
+    }
+
+    return 0;
+}
diff --git a/library/cpp/monlib/encode/json/fuzz/ya.make b/library/cpp/monlib/encode/json/fuzz/ya.make
index 85a12a37f0..75baa77716 100644
--- a/library/cpp/monlib/encode/json/fuzz/ya.make
+++ b/library/cpp/monlib/encode/json/fuzz/ya.make
@@ -1,19 +1,19 @@
-FUZZ() 
- 
+FUZZ()
+
 OWNER(
     g:solomon
     msherbakov
 )
- 
-PEERDIR( 
+
+PEERDIR(
     library/cpp/monlib/encode/json
     library/cpp/monlib/encode/fake
-) 
- 
-SIZE(MEDIUM) 
- 
+)
+
+SIZE(MEDIUM)
+
 SRCS(
     main.cpp
 )
- 
-END() 
+
+END()
diff --git a/library/cpp/monlib/encode/json/json.h b/library/cpp/monlib/encode/json/json.h
index 9f4db4a743..21530f20c3 100644
--- a/library/cpp/monlib/encode/json/json.h
+++ b/library/cpp/monlib/encode/json/json.h
@@ -13,9 +13,9 @@ namespace NMonitoring {
 
     IMetricEncoderPtr EncoderJson(IOutputStream* out, int indentation = 0);
 
-    /// Buffered encoder will merge series with same labels into one. 
+    /// Buffered encoder will merge series with same labels into one.
     IMetricEncoderPtr BufferedEncoderJson(IOutputStream* out, int indentation = 0);
- 
+
     IMetricEncoderPtr EncoderCloudJson(IOutputStream* out,
                                        int indentation = 0,
                                        TStringBuf metricNameLabel = "name");
diff --git a/library/cpp/monlib/encode/json/json_decoder.cpp b/library/cpp/monlib/encode/json/json_decoder.cpp
index 9468ea6447..d44ff5fd28 100644
--- a/library/cpp/monlib/encode/json/json_decoder.cpp
+++ b/library/cpp/monlib/encode/json/json_decoder.cpp
@@ -879,7 +879,7 @@ if (Y_UNLIKELY(!(CONDITION))) {                  \
                     State_.ToNext(TState::METRIC_LOG_HIST);
                 }
                 break;
- 
+
             case TState::METRIC_HIST:
                 if (key == TStringBuf("bounds")) {
                     State_.ToNext(TState::METRIC_HIST_BOUNDS);
diff --git a/library/cpp/monlib/encode/json/json_encoder.cpp b/library/cpp/monlib/encode/json/json_encoder.cpp
index 95c7b2949f..20d2bb6283 100644
--- a/library/cpp/monlib/encode/json/json_encoder.cpp
+++ b/library/cpp/monlib/encode/json/json_encoder.cpp
@@ -10,8 +10,8 @@
 #include <library/cpp/json/writer/json.h>
 
 #include <util/charset/utf8.h>
-#include <util/generic/algorithm.h> 
- 
+#include <util/generic/algorithm.h>
+
 namespace NMonitoring {
     namespace {
         enum class EJsonStyle {
@@ -22,7 +22,7 @@ namespace NMonitoring {
         ///////////////////////////////////////////////////////////////////////
         // TJsonWriter
         ///////////////////////////////////////////////////////////////////////
-        class TJsonWriter { 
+        class TJsonWriter {
         public:
             TJsonWriter(IOutputStream* out, int indentation, EJsonStyle style, TStringBuf metricNameLabel)
                 : Buf_(NJsonWriter::HEM_UNSAFE, out)
@@ -34,32 +34,32 @@ namespace NMonitoring {
                 Buf_.SetWriteNanAsString();
             }
 
-            void WriteTime(TInstant time) { 
-                if (time != TInstant::Zero()) { 
+            void WriteTime(TInstant time) {
+                if (time != TInstant::Zero()) {
                     Buf_.WriteKey(TStringBuf("ts"));
                     if (Style_ == EJsonStyle::Solomon) {
                         Buf_.WriteULongLong(time.Seconds());
                     } else {
                         Buf_.WriteString(time.ToString());
                     }
-                } 
-            } 
- 
-            void WriteValue(double value) { 
+                }
+            }
+
+            void WriteValue(double value) {
                 Buf_.WriteKey(TStringBuf("value"));
-                Buf_.WriteDouble(value); 
-            } 
- 
+                Buf_.WriteDouble(value);
+            }
+
             void WriteValue(i64 value) {
                 Buf_.WriteKey(TStringBuf("value"));
                 Buf_.WriteLongLong(value);
             }
 
-            void WriteValue(ui64 value) { 
+            void WriteValue(ui64 value) {
                 Buf_.WriteKey(TStringBuf("value"));
-                Buf_.WriteULongLong(value); 
-            } 
- 
+                Buf_.WriteULongLong(value);
+            }
+
             void WriteValue(IHistogramSnapshot* s) {
                 Y_ENSURE(Style_ == EJsonStyle::Solomon);
 
@@ -143,19 +143,19 @@ namespace NMonitoring {
             }
 
             void WriteValue(EMetricValueType type, TMetricValue value) {
-                switch (type) { 
+                switch (type) {
                     case EMetricValueType::DOUBLE:
                         WriteValue(value.AsDouble());
-                        break; 
- 
+                        break;
+
                     case EMetricValueType::INT64:
                         WriteValue(value.AsInt64());
                         break;
 
                     case EMetricValueType::UINT64:
                         WriteValue(value.AsUint64());
-                        break; 
- 
+                        break;
+
                     case EMetricValueType::HISTOGRAM:
                         WriteValue(value.AsHistogram());
                         break;
@@ -170,20 +170,20 @@ namespace NMonitoring {
 
                     case EMetricValueType::UNKNOWN:
                         ythrow yexception() << "unknown metric value type";
-                } 
-            } 
- 
-            void WriteLabel(TStringBuf name, TStringBuf value) { 
-                Y_ENSURE(IsUtf(name), "label name is not valid UTF-8 string"); 
-                Y_ENSURE(IsUtf(value), "label value is not valid UTF-8 string"); 
+                }
+            }
+
+            void WriteLabel(TStringBuf name, TStringBuf value) {
+                Y_ENSURE(IsUtf(name), "label name is not valid UTF-8 string");
+                Y_ENSURE(IsUtf(value), "label value is not valid UTF-8 string");
                 if (Style_ == EJsonStyle::Cloud && name == MetricNameLabel_) {
                     CurrentMetricName_ = value;
                 } else {
                     Buf_.WriteKey(name);
                     Buf_.WriteString(value);
                 }
-            } 
- 
+            }
+
             void WriteMetricType(EMetricType type) {
                 if (Style_ == EJsonStyle::Cloud) {
                     Buf_.WriteKey("type");
@@ -222,23 +222,23 @@ namespace NMonitoring {
                 }
             }
 
-        protected: 
-            NJsonWriter::TBuf Buf_; 
+        protected:
+            NJsonWriter::TBuf Buf_;
             EJsonStyle Style_;
             TString MetricNameLabel_;
             TString CurrentMetricName_;
-        }; 
- 
+        };
+
         ///////////////////////////////////////////////////////////////////////
         // TEncoderJson
         ///////////////////////////////////////////////////////////////////////
         class TEncoderJson final: public IMetricEncoder, public TJsonWriter {
-        public: 
+        public:
             TEncoderJson(IOutputStream* out, int indentation, EJsonStyle style, TStringBuf metricNameLabel)
                 : TJsonWriter{out, indentation, style, metricNameLabel}
-            { 
-            } 
- 
+            {
+            }
+
             ~TEncoderJson() override {
                 Close();
             }
@@ -308,8 +308,8 @@ namespace NMonitoring {
                     State_.ThrowInvalid("expected METRIC or ROOT");
                 }
                 Buf_.BeginObject();
- 
-                EmptyLabels_ = true; 
+
+                EmptyLabels_ = true;
             }
 
             void OnLabelsEnd() override {
@@ -320,8 +320,8 @@ namespace NMonitoring {
                 } else {
                     State_.ThrowInvalid("expected LABELS or COMMON_LABELS");
                 }
- 
-                Y_ENSURE(!EmptyLabels_, "Labels cannot be empty"); 
+
+                Y_ENSURE(!EmptyLabels_, "Labels cannot be empty");
                 Buf_.EndObject();
                 if (State_ == TEncoderState::EState::METRIC) {
                     WriteName();
@@ -330,12 +330,12 @@ namespace NMonitoring {
 
             void OnLabel(TStringBuf name, TStringBuf value) override {
                 if (State_ == TEncoderState::EState::METRIC_LABELS || State_ == TEncoderState::EState::COMMON_LABELS) {
-                    WriteLabel(name, value); 
+                    WriteLabel(name, value);
                 } else {
                     State_.ThrowInvalid("expected LABELS or COMMON_LABELS");
                 }
- 
-                EmptyLabels_ = false; 
+
+                EmptyLabels_ = false;
             }
 
             void OnDouble(TInstant time, double value) override {
@@ -385,7 +385,7 @@ namespace NMonitoring {
                         Buf_.BeginList();
                         Buf_.BeginObject();
                         Y_ENSURE(LastPoint_.GetTime() != TInstant::Zero(),
-                            "time cannot be empty or zero in a timeseries point"); 
+                            "time cannot be empty or zero in a timeseries point");
                         WriteTime(LastPoint_.GetTime());
                         WriteValue(LastPoint_.GetValueType(), LastPoint_.GetValue());
                         Buf_.EndObject();
@@ -394,8 +394,8 @@ namespace NMonitoring {
 
                     if (TimeSeries_) {
                         Buf_.BeginObject();
-                        Y_ENSURE(time != TInstant::Zero(), 
-                            "time cannot be empty or zero in a timeseries point"); 
+                        Y_ENSURE(time != TInstant::Zero(),
+                            "time cannot be empty or zero in a timeseries point");
 
                         WriteTime(time);
                         WriteValue(value);
@@ -408,26 +408,26 @@ namespace NMonitoring {
                 LastPoint_ = {};
             }
 
-        private: 
-            TEncoderState State_; 
+        private:
+            TEncoderState State_;
             TTypedPoint LastPoint_;
-            bool TimeSeries_ = false; 
-            bool EmptyLabels_ = false; 
-        }; 
- 
+            bool TimeSeries_ = false;
+            bool EmptyLabels_ = false;
+        };
+
         ///////////////////////////////////////////////////////////////////////
         // TBufferedJsonEncoder
         ///////////////////////////////////////////////////////////////////////
-        class TBufferedJsonEncoder : public TBufferedEncoderBase, public TJsonWriter { 
-        public: 
+        class TBufferedJsonEncoder : public TBufferedEncoderBase, public TJsonWriter {
+        public:
             TBufferedJsonEncoder(IOutputStream* out, int indentation, EJsonStyle style, TStringBuf metricNameLabel)
                 : TJsonWriter{out, indentation, style, metricNameLabel}
-            { 
+            {
                 MetricsMergingMode_ = EMetricsMergingMode::MERGE_METRICS;
             }
 
             ~TBufferedJsonEncoder() override {
-                Close(); 
+                Close();
             }
 
             void OnLabelsBegin() override {
@@ -445,54 +445,54 @@ namespace NMonitoring {
                 EmptyLabels_ = false;
             }
 
-            void OnLabelsEnd() override { 
-                TBufferedEncoderBase::OnLabelsEnd(); 
+            void OnLabelsEnd() override {
+                TBufferedEncoderBase::OnLabelsEnd();
                 Y_ENSURE(!EmptyLabels_, "Labels cannot be empty");
-            } 
- 
+            }
+
             void Close() final {
-                if (Closed_) { 
-                    return; 
-                } 
- 
-                Closed_ = true; 
+                if (Closed_) {
+                    return;
+                }
 
-                LabelValuesPool_.Build(); 
-                LabelNamesPool_.Build(); 
+                Closed_ = true;
 
-                Buf_.BeginObject(); 
+                LabelValuesPool_.Build();
+                LabelNamesPool_.Build();
+
+                Buf_.BeginObject();
 
-                WriteTime(CommonTime_); 
-                if (CommonLabels_.size() > 0) { 
+                WriteTime(CommonTime_);
+                if (CommonLabels_.size() > 0) {
                     Buf_.WriteKey(TStringBuf(Style_ == EJsonStyle::Solomon ? "commonLabels": "labels"));
                     WriteLabels(CommonLabels_, true);
                 }
- 
+
                 if (Metrics_.size() > 0) {
                     Buf_.WriteKey(TStringBuf(Style_ == EJsonStyle::Solomon ? "sensors" : "metrics"));
                     WriteMetrics();
-                } 
- 
-                Buf_.EndObject(); 
+                }
+
+                Buf_.EndObject();
             }
 
         private:
             void WriteMetrics() {
-                Buf_.BeginList(); 
+                Buf_.BeginList();
                 for (auto&& metric : Metrics_) {
                     WriteMetric(metric);
-                } 
-                Buf_.EndList(); 
-            } 
- 
+                }
+                Buf_.EndList();
+            }
+
             void WriteMetric(TMetric& metric) {
-                Buf_.BeginObject(); 
- 
+                Buf_.BeginObject();
+
                 WriteMetricType(metric.MetricType);
- 
+
                 Buf_.WriteKey(TStringBuf("labels"));
                 WriteLabels(metric.Labels, false);
- 
+
                 metric.TimeSeries.SortByTs();
                 if (metric.TimeSeries.Size() == 1) {
                     const auto& point = metric.TimeSeries[0];
@@ -500,40 +500,40 @@ namespace NMonitoring {
                     WriteValue(metric.TimeSeries.GetValueType(), point.GetValue());
                 } else if (metric.TimeSeries.Size() > 1) {
                     Buf_.WriteKey(TStringBuf("timeseries"));
-                    Buf_.BeginList(); 
+                    Buf_.BeginList();
                     metric.TimeSeries.ForEach([this](TInstant time, EMetricValueType type, TMetricValue value) {
-                        Buf_.BeginObject(); 
-                        // make gcc 6.1 happy https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61636 
+                        Buf_.BeginObject();
+                        // make gcc 6.1 happy https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61636
                         this->WriteTime(time);
                         this->WriteValue(type, value);
-                        Buf_.EndObject(); 
-                    }); 
- 
-                    Buf_.EndList(); 
-                } 
- 
-                Buf_.EndObject(); 
-            } 
- 
+                        Buf_.EndObject();
+                    });
+
+                    Buf_.EndList();
+                }
+
+                Buf_.EndObject();
+            }
+
             void WriteLabels(const TPooledLabels& labels, bool isCommon) {
-                Buf_.BeginObject(); 
- 
-                for (auto i = 0u; i < labels.size(); ++i) { 
-                    TStringBuf name = LabelNamesPool_.Get(labels[i].Key->Index); 
-                    TStringBuf value = LabelValuesPool_.Get(labels[i].Value->Index); 
- 
-                    WriteLabel(name, value); 
-                } 
- 
-                Buf_.EndObject(); 
+                Buf_.BeginObject();
+
+                for (auto i = 0u; i < labels.size(); ++i) {
+                    TStringBuf name = LabelNamesPool_.Get(labels[i].Key->Index);
+                    TStringBuf value = LabelValuesPool_.Get(labels[i].Value->Index);
+
+                    WriteLabel(name, value);
+                }
+
+                Buf_.EndObject();
 
                 if (!isCommon) {
                     WriteName();
                 }
-            } 
- 
-        private: 
-            bool Closed_{false}; 
+            }
+
+        private:
+            bool Closed_{false};
             bool EmptyLabels_ = false;
         };
     }
@@ -544,7 +544,7 @@ namespace NMonitoring {
 
     IMetricEncoderPtr BufferedEncoderJson(IOutputStream* out, int indentation) {
         return MakeHolder<TBufferedJsonEncoder>(out, indentation, EJsonStyle::Solomon, "");
-    } 
+    }
 
     IMetricEncoderPtr EncoderCloudJson(IOutputStream* out, int indentation, TStringBuf metricNameLabel) {
         return MakeHolder<TEncoderJson>(out, indentation, EJsonStyle::Cloud, metricNameLabel);
diff --git a/library/cpp/monlib/encode/json/json_ut.cpp b/library/cpp/monlib/encode/json/json_ut.cpp
index b3c3b879d4..09e7909289 100644
--- a/library/cpp/monlib/encode/json/json_ut.cpp
+++ b/library/cpp/monlib/encode/json/json_ut.cpp
@@ -14,93 +14,93 @@
 
 using namespace NMonitoring;
 
-namespace NMonitoring { 
-    bool operator<(const TLabel& lhs, const TLabel& rhs) { 
-        return lhs.Name() < rhs.Name() || 
-            (lhs.Name() == rhs.Name() && lhs.Value() < rhs.Value()); 
-    } 
-} 
-namespace { 
-    void AssertLabels(const NProto::TMultiSample& actual, const TLabels& expected) { 
-        UNIT_ASSERT_EQUAL(actual.LabelsSize(), expected.Size()); 
- 
-        TSet<TLabel> actualSet; 
-        TSet<TLabel> expectedSet; 
-        Transform(expected.begin(), expected.end(), std::inserter(expectedSet, expectedSet.end()), [] (auto&& l) { 
-            return TLabel{l.Name(), l.Value()}; 
-        }); 
- 
-        const auto& l = actual.GetLabels(); 
-        Transform(std::begin(l), std::end(l), std::inserter(actualSet, std::begin(actualSet)), 
-                  [](auto&& elem) -> TLabel { 
-                      return {elem.GetName(), elem.GetValue()}; 
-                  }); 
- 
-        TVector<TLabel> diff; 
-        SetSymmetricDifference(std::begin(expectedSet), std::end(expectedSet), 
-                               std::begin(actualSet), std::end(actualSet), std::back_inserter(diff)); 
- 
-        if (diff.size() > 0) { 
-            for (auto&& l : diff) { 
-                Cerr << l << Endl; 
-            } 
- 
-            UNIT_FAIL("Labels don't match"); 
-        } 
-    } 
- 
-    void AssertLabelEqual(const NProto::TLabel& l, TStringBuf name, TStringBuf value) { 
-        UNIT_ASSERT_STRINGS_EQUAL(l.GetName(), name); 
-        UNIT_ASSERT_STRINGS_EQUAL(l.GetValue(), value); 
-    } 
- 
-    void AssertPointEqual(const NProto::TPoint& p, TInstant time, double value) { 
-        UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds()); 
-        UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kFloat64); 
-        UNIT_ASSERT_DOUBLES_EQUAL(p.GetFloat64(), value, std::numeric_limits<double>::epsilon()); 
-    } 
- 
-    void AssertPointEqualNan(const NProto::TPoint& p, TInstant time) { 
-        UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds()); 
-        UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kFloat64); 
-        UNIT_ASSERT(std::isnan(p.GetFloat64())); 
-    } 
- 
-    void AssertPointEqualInf(const NProto::TPoint& p, TInstant time, int sign) { 
-        UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds()); 
-        UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kFloat64); 
-        UNIT_ASSERT(std::isinf(p.GetFloat64())); 
-        if (sign < 0) { 
-            UNIT_ASSERT(p.GetFloat64() < 0); 
-        } 
-    } 
- 
-    void AssertPointEqual(const NProto::TPoint& p, TInstant time, ui64 value) { 
-        UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds()); 
-        UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kUint64); 
-        UNIT_ASSERT_VALUES_EQUAL(p.GetUint64(), value); 
-    } 
- 
-    void AssertPointEqual(const NProto::TPoint& p, TInstant time, i64 value) { 
-        UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds()); 
-        UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kInt64); 
-        UNIT_ASSERT_VALUES_EQUAL(p.GetInt64(), value); 
-    } 
- 
-    void AssertPointEqual(const NProto::TPoint& p, TInstant time, const IHistogramSnapshot& expected) { 
-        UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds()); 
-        UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kHistogram); 
- 
-        const NProto::THistogram& h = p.GetHistogram(); 
-        UNIT_ASSERT_VALUES_EQUAL(h.BoundsSize(), expected.Count()); 
-        UNIT_ASSERT_VALUES_EQUAL(h.ValuesSize(), expected.Count()); 
- 
-        for (size_t i = 0; i < h.BoundsSize(); i++) { 
-            UNIT_ASSERT_DOUBLES_EQUAL(h.GetBounds(i), expected.UpperBound(i), Min<double>()); 
-            UNIT_ASSERT_VALUES_EQUAL(h.GetValues(i), expected.Value(i)); 
-        } 
-    } 
- 
+namespace NMonitoring {
+    bool operator<(const TLabel& lhs, const TLabel& rhs) {
+        return lhs.Name() < rhs.Name() ||
+            (lhs.Name() == rhs.Name() && lhs.Value() < rhs.Value());
+    }
+}
+namespace {
+    void AssertLabels(const NProto::TMultiSample& actual, const TLabels& expected) {
+        UNIT_ASSERT_EQUAL(actual.LabelsSize(), expected.Size());
+
+        TSet<TLabel> actualSet;
+        TSet<TLabel> expectedSet;
+        Transform(expected.begin(), expected.end(), std::inserter(expectedSet, expectedSet.end()), [] (auto&& l) {
+            return TLabel{l.Name(), l.Value()};
+        });
+
+        const auto& l = actual.GetLabels();
+        Transform(std::begin(l), std::end(l), std::inserter(actualSet, std::begin(actualSet)),
+                  [](auto&& elem) -> TLabel {
+                      return {elem.GetName(), elem.GetValue()};
+                  });
+
+        TVector<TLabel> diff;
+        SetSymmetricDifference(std::begin(expectedSet), std::end(expectedSet),
+                               std::begin(actualSet), std::end(actualSet), std::back_inserter(diff));
+
+        if (diff.size() > 0) {
+            for (auto&& l : diff) {
+                Cerr << l << Endl;
+            }
+
+            UNIT_FAIL("Labels don't match");
+        }
+    }
+
+    void AssertLabelEqual(const NProto::TLabel& l, TStringBuf name, TStringBuf value) {
+        UNIT_ASSERT_STRINGS_EQUAL(l.GetName(), name);
+        UNIT_ASSERT_STRINGS_EQUAL(l.GetValue(), value);
+    }
+
+    void AssertPointEqual(const NProto::TPoint& p, TInstant time, double value) {
+        UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds());
+        UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kFloat64);
+        UNIT_ASSERT_DOUBLES_EQUAL(p.GetFloat64(), value, std::numeric_limits<double>::epsilon());
+    }
+
+    void AssertPointEqualNan(const NProto::TPoint& p, TInstant time) {
+        UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds());
+        UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kFloat64);
+        UNIT_ASSERT(std::isnan(p.GetFloat64()));
+    }
+
+    void AssertPointEqualInf(const NProto::TPoint& p, TInstant time, int sign) {
+        UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds());
+        UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kFloat64);
+        UNIT_ASSERT(std::isinf(p.GetFloat64()));
+        if (sign < 0) {
+            UNIT_ASSERT(p.GetFloat64() < 0);
+        }
+    }
+
+    void AssertPointEqual(const NProto::TPoint& p, TInstant time, ui64 value) {
+        UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds());
+        UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kUint64);
+        UNIT_ASSERT_VALUES_EQUAL(p.GetUint64(), value);
+    }
+
+    void AssertPointEqual(const NProto::TPoint& p, TInstant time, i64 value) {
+        UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds());
+        UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kInt64);
+        UNIT_ASSERT_VALUES_EQUAL(p.GetInt64(), value);
+    }
+
+    void AssertPointEqual(const NProto::TPoint& p, TInstant time, const IHistogramSnapshot& expected) {
+        UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds());
+        UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kHistogram);
+
+        const NProto::THistogram& h = p.GetHistogram();
+        UNIT_ASSERT_VALUES_EQUAL(h.BoundsSize(), expected.Count());
+        UNIT_ASSERT_VALUES_EQUAL(h.ValuesSize(), expected.Count());
+
+        for (size_t i = 0; i < h.BoundsSize(); i++) {
+            UNIT_ASSERT_DOUBLES_EQUAL(h.GetBounds(i), expected.UpperBound(i), Min<double>());
+            UNIT_ASSERT_VALUES_EQUAL(h.GetValues(i), expected.Value(i));
+        }
+    }
+
     void AssertPointEqual(const NProto::TPoint& p, TInstant time, const TLogHistogramSnapshot& expected) {
         UNIT_ASSERT_VALUES_EQUAL(p.GetTime(), time.MilliSeconds());
         UNIT_ASSERT_EQUAL(p.GetValueCase(), NProto::TPoint::kLogHistogram);
@@ -129,9 +129,9 @@ namespace {
         UNIT_ASSERT_VALUES_EQUAL(actual.GetCount(), expected.GetCount());
     }
 
-} // namespace 
- 
- 
+} // namespace
+
+
 Y_UNIT_TEST_SUITE(TJsonTest) {
     const TInstant now = TInstant::ParseIso8601Deprecated("2017-11-05T01:02:03Z");
 
@@ -304,53 +304,53 @@ Y_UNIT_TEST_SUITE(TJsonTest) {
     }
 
     Y_UNIT_TEST(MetricsWithDifferentLabelOrderGetMerged) {
-        TString json; 
-        TStringOutput out(json); 
-        auto e = BufferedEncoderJson(&out, 2); 
+        TString json;
+        TStringOutput out(json);
+        auto e = BufferedEncoderJson(&out, 2);
 
-        e->OnStreamBegin(); 
-        { 
+        e->OnStreamBegin();
+        {
             e->OnMetricBegin(EMetricType::RATE);
-            { 
-                e->OnLabelsBegin(); 
+            {
+                e->OnLabelsBegin();
                 e->OnLabel("metric", "hello");
-                e->OnLabel("label", "world"); 
-                e->OnLabelsEnd(); 
-            } 
-            e->OnUint64(TInstant::Zero(), 0); 
+                e->OnLabel("label", "world");
+                e->OnLabelsEnd();
+            }
+            e->OnUint64(TInstant::Zero(), 0);
             e->OnMetricEnd();
         }
-        { 
+        {
             e->OnMetricBegin(EMetricType::RATE);
-            { 
-                e->OnLabelsBegin(); 
-                e->OnLabel("label", "world"); 
+            {
+                e->OnLabelsBegin();
+                e->OnLabel("label", "world");
                 e->OnLabel("metric", "hello");
-                e->OnLabelsEnd(); 
-            } 
-            e->OnUint64(TInstant::Zero(), 1); 
+                e->OnLabelsEnd();
+            }
+            e->OnUint64(TInstant::Zero(), 1);
             e->OnMetricEnd();
-        } 
-        e->OnStreamEnd(); 
-        e->Close(); 
-        json += "\n"; 
+        }
+        e->OnStreamEnd();
+        e->Close();
+        json += "\n";
 
-        TString expectedJson = NResource::Find("/merged.json"); 
-        // we cannot be sure regarding the label order in the result, 
-        // so we'll have to parse the expected value and then compare it with actual 
+        TString expectedJson = NResource::Find("/merged.json");
+        // we cannot be sure regarding the label order in the result,
+        // so we'll have to parse the expected value and then compare it with actual
 
-        NProto::TMultiSamplesList samples; 
+        NProto::TMultiSamplesList samples;
         IMetricEncoderPtr d = EncoderProtobuf(&samples);
-        DecodeJson(expectedJson, d.Get()); 
+        DecodeJson(expectedJson, d.Get());
 
-        UNIT_ASSERT_VALUES_EQUAL(samples.SamplesSize(), 1); 
-        { 
-            const NProto::TMultiSample& s = samples.GetSamples(0); 
+        UNIT_ASSERT_VALUES_EQUAL(samples.SamplesSize(), 1);
+        {
+            const NProto::TMultiSample& s = samples.GetSamples(0);
             UNIT_ASSERT_EQUAL(s.GetMetricType(), NProto::RATE);
             AssertLabels(s, TLabels{{"metric", "hello"}, {"label", "world"}});
 
-            UNIT_ASSERT_VALUES_EQUAL(s.PointsSize(), 1); 
-            AssertPointEqual(s.GetPoints(0), TInstant::Zero(), ui64(1)); 
+            UNIT_ASSERT_VALUES_EQUAL(s.PointsSize(), 1);
+            AssertPointEqual(s.GetPoints(0), TInstant::Zero(), ui64(1));
         }
     }
     Y_UNIT_TEST(Decode1) {
@@ -453,7 +453,7 @@ Y_UNIT_TEST_SUITE(TJsonTest) {
         AssertLabelEqual(samples.GetCommonLabels(1), "cluster", "man");
         AssertLabelEqual(samples.GetCommonLabels(2), "service", "stockpile");
 
-        UNIT_ASSERT_VALUES_EQUAL(samples.SamplesSize(), 4); 
+        UNIT_ASSERT_VALUES_EQUAL(samples.SamplesSize(), 4);
         {
             const NProto::TMultiSample& s = samples.GetSamples(0);
             UNIT_ASSERT_EQUAL(s.GetMetricType(), NProto::GAUGE);
@@ -484,7 +484,7 @@ Y_UNIT_TEST_SUITE(TJsonTest) {
             AssertPointEqual(s.GetPoints(0), ts, 3.14159);
         }
         {
-            const NProto::TMultiSample& s = samples.GetSamples(3); 
+            const NProto::TMultiSample& s = samples.GetSamples(3);
             UNIT_ASSERT_EQUAL(s.GetMetricType(), NProto::GAUGE);
             UNIT_ASSERT_VALUES_EQUAL(s.LabelsSize(), 1);
             AssertLabelEqual(s.GetLabels(0), "metric", "Writes");
@@ -558,7 +558,7 @@ Y_UNIT_TEST_SUITE(TJsonTest) {
             AssertPointEqual(s.GetPoints(1), ts2, 20.0);
         }
     }
- 
+
     Y_UNIT_TEST(DecodeToEncoder) {
         auto testJson = NResource::Find("/test_decode_to_encode.json");
 
@@ -575,154 +575,154 @@ Y_UNIT_TEST_SUITE(TJsonTest) {
     }
 
     void WriteEmptySeries(const IMetricEncoderPtr& e) {
-        e->OnStreamBegin(); 
-        { 
+        e->OnStreamBegin();
+        {
             e->OnMetricBegin(EMetricType::COUNTER);
-            { 
-                e->OnLabelsBegin(); 
-                e->OnLabel("foo", "bar"); 
-                e->OnLabelsEnd(); 
-            } 
+            {
+                e->OnLabelsBegin();
+                e->OnLabel("foo", "bar");
+                e->OnLabelsEnd();
+            }
             e->OnMetricEnd();
-        } 
- 
-        e->OnStreamEnd(); 
-        e->Close(); 
-    } 
- 
-    Y_UNIT_TEST(EncodeEmptySeries) { 
-        TString json; 
-        TStringOutput out(json); 
- 
-        auto e = EncoderJson(&out, 2); 
-        WriteEmptySeries(e); 
-        json += "\n"; 
- 
-        TString expectedJson = NResource::Find("/empty_series.json"); 
-        UNIT_ASSERT_NO_DIFF(json, expectedJson); 
-    } 
- 
+        }
+
+        e->OnStreamEnd();
+        e->Close();
+    }
+
+    Y_UNIT_TEST(EncodeEmptySeries) {
+        TString json;
+        TStringOutput out(json);
+
+        auto e = EncoderJson(&out, 2);
+        WriteEmptySeries(e);
+        json += "\n";
+
+        TString expectedJson = NResource::Find("/empty_series.json");
+        UNIT_ASSERT_NO_DIFF(json, expectedJson);
+    }
+
     void WriteEmptyLabels(IMetricEncoderPtr& e) {
-        e->OnStreamBegin(); 
+        e->OnStreamBegin();
         e->OnMetricBegin(EMetricType::COUNTER);
- 
-        e->OnLabelsBegin(); 
-        UNIT_ASSERT_EXCEPTION(e->OnLabelsEnd(), yexception); 
-    } 
- 
-    Y_UNIT_TEST(LabelsCannotBeEmpty) { 
-        TString json; 
-        TStringOutput out(json); 
- 
-        auto e = EncoderJson(&out, 2); 
-        WriteEmptyLabels(e); 
-    } 
- 
-    Y_UNIT_TEST(LabelsCannotBeEmptyBuffered) { 
-        TString json; 
-        TStringOutput out(json); 
- 
-        auto e = BufferedEncoderJson(&out, 2); 
-        WriteEmptyLabels(e); 
-    } 
- 
-    Y_UNIT_TEST(EncodeEmptySeriesBuffered) { 
-        TString json; 
-        TStringOutput out(json); 
- 
-        auto e = BufferedEncoderJson(&out, 2); 
-        WriteEmptySeries(e); 
-        json += "\n"; 
- 
-        TString expectedJson = NResource::Find("/empty_series.json"); 
-        UNIT_ASSERT_NO_DIFF(json, expectedJson); 
-    } 
- 
+
+        e->OnLabelsBegin();
+        UNIT_ASSERT_EXCEPTION(e->OnLabelsEnd(), yexception);
+    }
+
+    Y_UNIT_TEST(LabelsCannotBeEmpty) {
+        TString json;
+        TStringOutput out(json);
+
+        auto e = EncoderJson(&out, 2);
+        WriteEmptyLabels(e);
+    }
+
+    Y_UNIT_TEST(LabelsCannotBeEmptyBuffered) {
+        TString json;
+        TStringOutput out(json);
+
+        auto e = BufferedEncoderJson(&out, 2);
+        WriteEmptyLabels(e);
+    }
+
+    Y_UNIT_TEST(EncodeEmptySeriesBuffered) {
+        TString json;
+        TStringOutput out(json);
+
+        auto e = BufferedEncoderJson(&out, 2);
+        WriteEmptySeries(e);
+        json += "\n";
+
+        TString expectedJson = NResource::Find("/empty_series.json");
+        UNIT_ASSERT_NO_DIFF(json, expectedJson);
+    }
+
     Y_UNIT_TEST(BufferedEncoderMergesMetrics) {
-        TString json; 
-        TStringOutput out(json); 
- 
-        auto e = BufferedEncoderJson(&out, 2); 
-        auto ts = 1; 
- 
+        TString json;
+        TStringOutput out(json);
+
+        auto e = BufferedEncoderJson(&out, 2);
+        auto ts = 1;
+
         auto writeMetric = [&] (const TString& val) {
             e->OnMetricBegin(EMetricType::COUNTER);
- 
-            e->OnLabelsBegin(); 
-            e->OnLabel("foo", val); 
-            e->OnLabelsEnd(); 
-            e->OnUint64(TInstant::Seconds(ts++), 42); 
- 
+
+            e->OnLabelsBegin();
+            e->OnLabel("foo", val);
+            e->OnLabelsEnd();
+            e->OnUint64(TInstant::Seconds(ts++), 42);
+
             e->OnMetricEnd();
-        }; 
- 
-        e->OnStreamBegin(); 
+        };
+
+        e->OnStreamBegin();
         writeMetric("bar");
         writeMetric("bar");
         writeMetric("baz");
         writeMetric("bar");
-        e->OnStreamEnd(); 
-        e->Close(); 
- 
-        json += "\n"; 
- 
-        TString expectedJson = NResource::Find("/buffered_test.json"); 
-        UNIT_ASSERT_NO_DIFF(json, expectedJson); 
-    } 
- 
-    Y_UNIT_TEST(JsonEncoderDisallowsValuesInTimeseriesWithoutTs) { 
-        TStringStream out; 
- 
-        auto e = EncoderJson(&out); 
-        auto writePreamble = [&] { 
-            e->OnStreamBegin(); 
+        e->OnStreamEnd();
+        e->Close();
+
+        json += "\n";
+
+        TString expectedJson = NResource::Find("/buffered_test.json");
+        UNIT_ASSERT_NO_DIFF(json, expectedJson);
+    }
+
+    Y_UNIT_TEST(JsonEncoderDisallowsValuesInTimeseriesWithoutTs) {
+        TStringStream out;
+
+        auto e = EncoderJson(&out);
+        auto writePreamble = [&] {
+            e->OnStreamBegin();
             e->OnMetricBegin(EMetricType::COUNTER);
-            e->OnLabelsBegin(); 
-            e->OnLabel("foo", "bar"); 
-            e->OnLabelsEnd(); 
-        }; 
- 
+            e->OnLabelsBegin();
+            e->OnLabel("foo", "bar");
+            e->OnLabelsEnd();
+        };
+
         // writing two values for a metric in a row will trigger
-        // timeseries object construction 
-        writePreamble(); 
-        e->OnUint64(TInstant::Zero(), 42); 
-        UNIT_ASSERT_EXCEPTION(e->OnUint64(TInstant::Zero(), 42), yexception); 
- 
-        e = EncoderJson(&out); 
-        writePreamble(); 
-        e->OnUint64(TInstant::Zero(), 42); 
-        UNIT_ASSERT_EXCEPTION(e->OnUint64(TInstant::Now(), 42), yexception); 
- 
-        e = EncoderJson(&out); 
-        writePreamble(); 
-        e->OnUint64(TInstant::Now(), 42); 
-        UNIT_ASSERT_EXCEPTION(e->OnUint64(TInstant::Zero(), 42), yexception); 
-    } 
- 
-    Y_UNIT_TEST(BufferedJsonEncoderMergesTimeseriesWithoutTs) { 
-        TStringStream out; 
- 
-        { 
-            auto e = BufferedEncoderJson(&out, 2); 
-            e->OnStreamBegin(); 
+        // timeseries object construction
+        writePreamble();
+        e->OnUint64(TInstant::Zero(), 42);
+        UNIT_ASSERT_EXCEPTION(e->OnUint64(TInstant::Zero(), 42), yexception);
+
+        e = EncoderJson(&out);
+        writePreamble();
+        e->OnUint64(TInstant::Zero(), 42);
+        UNIT_ASSERT_EXCEPTION(e->OnUint64(TInstant::Now(), 42), yexception);
+
+        e = EncoderJson(&out);
+        writePreamble();
+        e->OnUint64(TInstant::Now(), 42);
+        UNIT_ASSERT_EXCEPTION(e->OnUint64(TInstant::Zero(), 42), yexception);
+    }
+
+    Y_UNIT_TEST(BufferedJsonEncoderMergesTimeseriesWithoutTs) {
+        TStringStream out;
+
+        {
+            auto e = BufferedEncoderJson(&out, 2);
+            e->OnStreamBegin();
             e->OnMetricBegin(EMetricType::COUNTER);
-            e->OnLabelsBegin(); 
-            e->OnLabel("foo", "bar"); 
-            e->OnLabelsEnd(); 
-            // in buffered mode we are able to find values with same (in this case zero) 
-            // timestamp and discard duplicates 
-            e->OnUint64(TInstant::Zero(), 42); 
-            e->OnUint64(TInstant::Zero(), 43); 
-            e->OnUint64(TInstant::Zero(), 44); 
-            e->OnUint64(TInstant::Zero(), 45); 
+            e->OnLabelsBegin();
+            e->OnLabel("foo", "bar");
+            e->OnLabelsEnd();
+            // in buffered mode we are able to find values with same (in this case zero)
+            // timestamp and discard duplicates
+            e->OnUint64(TInstant::Zero(), 42);
+            e->OnUint64(TInstant::Zero(), 43);
+            e->OnUint64(TInstant::Zero(), 44);
+            e->OnUint64(TInstant::Zero(), 45);
             e->OnMetricEnd();
-            e->OnStreamEnd(); 
-        } 
- 
-        out << "\n"; 
-        UNIT_ASSERT_NO_DIFF(out.Str(), NResource::Find("/buffered_ts_merge.json")); 
+            e->OnStreamEnd();
+        }
+
+        out << "\n";
+        UNIT_ASSERT_NO_DIFF(out.Str(), NResource::Find("/buffered_ts_merge.json"));
     }
- 
+
     template <typename TFactory, typename TConsumer>
     TString EncodeToString(TFactory factory, TConsumer consumer) {
         TStringStream out;
@@ -732,7 +732,7 @@ Y_UNIT_TEST_SUITE(TJsonTest) {
         }
         out << '\n';
         return out.Str();
-    } 
+    }
 
     Y_UNIT_TEST(SummaryValueEncode) {
         auto writeDocument = [](IMetricEncoder* e) {
@@ -1235,35 +1235,35 @@ Y_UNIT_TEST_SUITE(TJsonTest) {
         AssertPointEqual(s.GetPoints(2), now + TDuration::Seconds(2), i64(0));
         AssertPointEqual(s.GetPoints(3), now + TDuration::Seconds(3), Max<i64>());
     }
- 
-    Y_UNIT_TEST(FuzzerRegression) { 
-        NProto::TMultiSamplesList samples; 
-        { 
+
+    Y_UNIT_TEST(FuzzerRegression) {
+        NProto::TMultiSamplesList samples;
+        {
             IMetricEncoderPtr e = EncoderProtobuf(&samples);
- 
-            for (auto f : { "/hist_crash.json", "/crash.json" }) { 
-                TString testJson = NResource::Find(f); 
-                UNIT_ASSERT_EXCEPTION(DecodeJson(testJson, e.Get()), yexception); 
-            } 
-        } 
-    } 
- 
-    Y_UNIT_TEST(LegacyNegativeRateThrows) { 
-        const auto input = R"({ 
-          "sensors": [ 
-                { 
-                  "mode": "deriv", 
-                  "value": -1, 
+
+            for (auto f : { "/hist_crash.json", "/crash.json" }) {
+                TString testJson = NResource::Find(f);
+                UNIT_ASSERT_EXCEPTION(DecodeJson(testJson, e.Get()), yexception);
+            }
+        }
+    }
+
+    Y_UNIT_TEST(LegacyNegativeRateThrows) {
+        const auto input = R"({
+          "sensors": [
+                {
+                  "mode": "deriv",
+                  "value": -1,
                   "labels": { "metric": "SystemTime" }
-                }, 
-            } 
-            ]}")"; 
- 
-        NProto::TMultiSamplesList samples; 
+                },
+            }
+            ]}")";
+
+        NProto::TMultiSamplesList samples;
         IMetricEncoderPtr e = EncoderProtobuf(&samples);
-        UNIT_ASSERT_EXCEPTION(DecodeJson(input, e.Get()), yexception); 
-    } 
- 
+        UNIT_ASSERT_EXCEPTION(DecodeJson(input, e.Get()), yexception);
+    }
+
     Y_UNIT_TEST(DecodeNamedMetrics) {
         NProto::TMultiSamplesList samples;
         {
diff --git a/library/cpp/monlib/encode/json/ut/buffered_test.json b/library/cpp/monlib/encode/json/ut/buffered_test.json
index 580b929de0..53212cf8e1 100644
--- a/library/cpp/monlib/encode/json/ut/buffered_test.json
+++ b/library/cpp/monlib/encode/json/ut/buffered_test.json
@@ -1,36 +1,36 @@
-{ 
-  "sensors": 
-    [ 
-      { 
-        "kind":"COUNTER", 
-        "labels": 
-          { 
-            "foo":"bar" 
-          }, 
-        "timeseries": 
-          [ 
-            { 
-              "ts":1, 
-              "value":42 
-            }, 
-            { 
-              "ts":2, 
-              "value":42 
-            }, 
-            { 
-              "ts":4, 
-              "value":42 
-            } 
-          ] 
-      }, 
-      { 
-        "kind":"COUNTER", 
-        "labels": 
-          { 
-            "foo":"baz" 
-          }, 
-        "ts":3, 
-        "value":42 
-      } 
-    ] 
-} 
+{
+  "sensors":
+    [
+      {
+        "kind":"COUNTER",
+        "labels":
+          {
+            "foo":"bar"
+          },
+        "timeseries":
+          [
+            {
+              "ts":1,
+              "value":42
+            },
+            {
+              "ts":2,
+              "value":42
+            },
+            {
+              "ts":4,
+              "value":42
+            }
+          ]
+      },
+      {
+        "kind":"COUNTER",
+        "labels":
+          {
+            "foo":"baz"
+          },
+        "ts":3,
+        "value":42
+      }
+    ]
+}
diff --git a/library/cpp/monlib/encode/json/ut/buffered_ts_merge.json b/library/cpp/monlib/encode/json/ut/buffered_ts_merge.json
index e71c9dd206..1d27efacb0 100644
--- a/library/cpp/monlib/encode/json/ut/buffered_ts_merge.json
+++ b/library/cpp/monlib/encode/json/ut/buffered_ts_merge.json
@@ -1,13 +1,13 @@
-{ 
-  "sensors": 
-    [ 
-      { 
-        "kind":"COUNTER", 
-        "labels": 
-          { 
-            "foo":"bar" 
-          }, 
+{
+  "sensors":
+    [
+      {
+        "kind":"COUNTER",
+        "labels":
+          {
+            "foo":"bar"
+          },
         "value":45
-      } 
-    ] 
-} 
+      }
+    ]
+}
diff --git a/library/cpp/monlib/encode/json/ut/empty_series.json b/library/cpp/monlib/encode/json/ut/empty_series.json
index 877c957cab..641e10cdea 100644
--- a/library/cpp/monlib/encode/json/ut/empty_series.json
+++ b/library/cpp/monlib/encode/json/ut/empty_series.json
@@ -1,12 +1,12 @@
-{ 
-  "sensors": 
-    [ 
-      { 
-        "kind":"COUNTER", 
-        "labels": 
-          { 
-            "foo":"bar" 
-          } 
-      } 
-    ] 
-} 
+{
+  "sensors":
+    [
+      {
+        "kind":"COUNTER",
+        "labels":
+          {
+            "foo":"bar"
+          }
+      }
+    ]
+}
diff --git a/library/cpp/monlib/encode/json/ut/merged.json b/library/cpp/monlib/encode/json/ut/merged.json
index fe39861f95..ea2c99a33c 100644
--- a/library/cpp/monlib/encode/json/ut/merged.json
+++ b/library/cpp/monlib/encode/json/ut/merged.json
@@ -1,14 +1,14 @@
-{ 
-  "sensors": 
-    [ 
-      { 
-        "kind":"RATE", 
-        "labels": 
-          { 
+{
+  "sensors":
+    [
+      {
+        "kind":"RATE",
+        "labels":
+          {
             "metric":"hello",
-            "label":"world" 
-          }, 
-        "value":1 
-      } 
-    ] 
-} 
+            "label":"world"
+          },
+        "value":1
+      }
+    ]
+}
diff --git a/library/cpp/monlib/encode/json/ut/ya.make b/library/cpp/monlib/encode/json/ut/ya.make
index 96b4cef0c5..e50c4f4903 100644
--- a/library/cpp/monlib/encode/json/ut/ya.make
+++ b/library/cpp/monlib/encode/json/ut/ya.make
@@ -11,14 +11,14 @@ SRCS(
 )
 
 RESOURCE(
-    buffered_test.json /buffered_test.json 
-    buffered_ts_merge.json /buffered_ts_merge.json 
+    buffered_test.json /buffered_test.json
+    buffered_ts_merge.json /buffered_ts_merge.json
     empty_series.json /empty_series.json
     expected.json /expected.json
     expected_buffered.json /expected_buffered.json
     expected_cloud.json /expected_cloud.json
     expected_cloud_buffered.json /expected_cloud_buffered.json
-    merged.json /merged.json 
+    merged.json /merged.json
     histogram_timeseries.json /histogram_timeseries.json
     histogram_value.json /histogram_value.json
     histogram_value_inf_before_bounds.json /histogram_value_inf_before_bounds.json
@@ -27,8 +27,8 @@ RESOURCE(
     metrics.json /metrics.json
     named_metrics.json /named_metrics.json
     test_decode_to_encode.json /test_decode_to_encode.json
-    crash.json /crash.json 
-    hist_crash.json /hist_crash.json 
+    crash.json /crash.json
+    hist_crash.json /hist_crash.json
     summary_value.json /summary_value.json
     summary_inf.json /summary_inf.json
     summary_timeseries.json /summary_timeseries.json