fill both slices keys

Author: kunga

ydb/core/tablet_flat/ut/ut_part.cpp

@@ -955,16 +955,16 @@ Y_UNIT_TEST_SUITE(TPart) {
         auto slices = MakeIntrusive<TSlices>();
         for (size_t rowId = 0; rowId < fullRows.size();) {
             TSlice slice;
-            slice.FirstInclusive = true;
             slice.FirstRowId = rowId;
-            if (rowId > 0)
-                slice.FirstKey = getKey(IndexTools::GetRecord(*cutPartTmp, slice.FirstRowId));
-            slice.LastInclusive = false;
-            slice.LastRowId = rowId + RandomNumber<ui32>(2) + 1;
-            if (slice.LastRowId < fullRows.size())
-                slice.LastKey = getKey(IndexTools::GetRecord(*cutPartTmp, slice.LastRowId));
+            slice.FirstInclusive = true;
+            slice.FirstKey = getKey(IndexTools::GetRecord(*cutPartTmp, slice.FirstRowId));
+            slice.LastRowId = Min(fullRows.size(), rowId + RandomNumber<ui32>(2) + 1);
+            slice.LastInclusive = slice.LastRowId == fullRows.size();
+            slice.LastKey = getKey(slice.LastRowId < fullRows.size() 
+                ? IndexTools::GetRecord(*cutPartTmp, slice.LastRowId)
+                : IndexTools::GetLastRecord(*cutPartTmp));
             slices->push_back(slice);
-            rowId = slice.LastRowId;
+            rowId = slice.EndRowId();
         }
 
         Cerr << "======= SLICES =======" << Endl;