lab1 (#390)

modules/complex-number/test/test_Mironov_Ilya_complex_number.cpp

@@ -0,0 +1,50 @@
+// Copyright 2024 Mironov Ilya
+
+#include <gtest/gtest.h>
+
+#include "include/complex_number.h"
+
+TEST(Mironov_Ilya_ComplexNumberTest, Can_Add_Negative_Complex_Numbers) {
+    ComplexNumber z1(-1.2, -2.2);
+    ComplexNumber z2(-3.2, -4.2);
+
+    ComplexNumber ans = z1 + z2;
+
+    ASSERT_DOUBLE_EQ(-4.4, ans.getRe());
+    ASSERT_DOUBLE_EQ(-6.4, ans.getIm());
+}
+
+TEST(Mironov_Ilya_ComplexNumberTest, Can_Multiply_By_Zero) {
+    ComplexNumber z1(1.0, 1.0);
+    ComplexNumber z2(0.0, 0.0);
+
+    ComplexNumber ans = z1 * z2;
+
+    ASSERT_DOUBLE_EQ(0.0, ans.getRe());
+    ASSERT_DOUBLE_EQ(0.0, ans.getIm());
+}
+
+TEST(Mironov_Ilya_ComplexNumberTest, Can_Subtract_From_Itself) {
+    ComplexNumber z1(2.5, 3.5);
+
+    ComplexNumber ans = z1 - z1;
+
+    ASSERT_DOUBLE_EQ(0.0, ans.getRe());
+    ASSERT_DOUBLE_EQ(0.0, ans.getIm());
+}
+
+TEST(Mironov_Ilya_ComplexNumberTest, Can_Divide_By_Itself) {
+    ComplexNumber z1(3.0, 4.0);
+
+    ComplexNumber ans = z1 / z1;
+
+    ASSERT_DOUBLE_EQ(1.0, ans.getRe());
+    ASSERT_DOUBLE_EQ(0.0, ans.getIm());
+}
+
+TEST(Mironov_Ilya_ComplexNumberTest, Cant_Divide_By_Zero) {
+    ComplexNumber z1(0.0, 0.0);
+    ComplexNumber z2(0.0, 0.0);
+
+    ASSERT_ANY_THROW(z1 / z2);
+}