#includeIn the first example, we test that two integers are equal using the ASSERT_EQ macro provided by the Cpp testing Eq library. In the second example, we do the same with two strings, and in the third example, we test similarity between two double values. The Cpp testing Eq package is part of the Google Test framework (gtest), which is a popular C++ unit testing framework.TEST(EqTest, IntEqualsTest) { int expected = 42; int actual = 42; ASSERT_EQ(expected, actual); } TEST(EqTest, StringEqualsTest) { std::string expected = "hello"; std::string actual = "hello"; ASSERT_EQ(expected, actual); } TEST(EqTest, DoubleEqualsTest) { double expected = 3.14159; double actual = 3.14159; ASSERT_EQ(expected, actual); }