diff --git a/README.md b/README.md
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@@ -1 +1 @@
-# UnitTesting
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+# Danilov Bogacheva ispp35
diff --git a/UnitTesting/unV1RUS/Readme.md b/UnitTesting/unV1RUS/Readme.md
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+Данилов Богачева испп 35
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diff --git a/UnitTesting/unV1RUS/basic.cs b/UnitTesting/unV1RUS/basic.cs
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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using TestingLib.Math;
+
+namespace UnitTesting.unV1RUS
+{
+    public class BasicCalcTest
+    {
+        private readonly BasicCalc _calculator;
+
+        public BasicCalcTest()
+        {
+            _calculator = new BasicCalc();
+        }
+
+
+        [Fact]
+        public void IsPrime_ShouldReturnTrueIfPrime()
+        {
+            bool calc = _calculator.IsPrime(5);
+            Assert.Equal(true, calc);
+        }
+
+        [Fact]
+        public void IsPrime_ShouldThrowException()
+        {
+            Assert.Throws<ArgumentOutOfRangeException>(() => _calculator.IsPrime(-2));
+        }
+
+
+        [Theory]
+        [InlineData(5, true)]
+        [InlineData(6, false)]
+        [InlineData(1, false)]
+
+        public void IsPrime_Theory(int a, bool expectedResult)
+        {
+            bool calc = _calculator.IsPrime(a);
+            Assert.Equal(expectedResult, calc);
+        }
+
+    }
+}