diff --git a/modules/complex-number/test/test_Nedelin_Dmitry_complex_number.cpp b/modules/complex-number/test/test_Nedelin_Dmitry_complex_number.cpp
new file mode 100644
index 000000000..92ec82952
--- /dev/null
+++ b/modules/complex-number/test/test_Nedelin_Dmitry_complex_number.cpp
@@ -0,0 +1,56 @@
+// Copyright 2024 Nedelin Dmitry
+
+#include <gtest/gtest.h>
+
+#include "include/complex_number.h"
+
+TEST(Nedelin_Dmitry_ComplexNumberTest, contructor_test) {
+    ASSERT_NO_THROW(ComplexNumber());
+    ASSERT_NO_THROW(ComplexNumber(-15.0, 23.2));
+    ASSERT_NO_THROW(ComplexNumber(ComplexNumber(-58.5781, 952.9172)));
+}
+
+TEST(Nedelin_Dmitry_ComplexNumberTest, getter_test) {
+    ComplexNumber z(296.127, 28.12);
+
+    ASSERT_DOUBLE_EQ(z.getRe(), 296.127);
+    ASSERT_DOUBLE_EQ(z.getIm(), 28.12);
+}
+
+TEST(Nedelin_Dmitry_ComplexNumberTest, setter_test) {
+    ComplexNumber z{};
+    z.setRe(123.257);
+    z.setIm(-95.159);
+
+    ASSERT_DOUBLE_EQ(z.getRe(), 123.257);
+    ASSERT_DOUBLE_EQ(z.getIm(), -95.159);
+}
+
+TEST(Nedelin_Dmitry_ComplexNumberTest, sum_operator_test) {
+    ComplexNumber z1(16.5, 12.3);
+    ComplexNumber z2(-16.5, 12.3);
+
+    ComplexNumber res = z1 + z2;
+
+    ASSERT_DOUBLE_EQ(res.getRe(), 0.0);
+    ASSERT_DOUBLE_EQ(res.getIm(), 24.6);
+}
+
+TEST(Nedelin_Dmitry_ComplexNumberTest, dif_opetator_test) {
+    ComplexNumber z1(7.3, 32.6);
+    ComplexNumber z2(-2.7, 32.6);
+
+    ComplexNumber res = z1 - z2;
+
+    ASSERT_DOUBLE_EQ(res.getRe(), 10.0);
+    ASSERT_DOUBLE_EQ(res.getIm(), 0.0);
+}
+
+TEST(Nedelin_Dmitry_ComplexNumberTest, equal_operator_test) {
+    ComplexNumber z1(5.0, 2.0);
+    ComplexNumber z2(5.0, 2.0);
+    ComplexNumber z3(7.0, 1.0);
+
+    EXPECT_FALSE(z1 == z3);
+    EXPECT_TRUE(z1 == z2);
+}