public void PrintTest()
{
// apply the method to test
string actual = SayHello.PrintName("Katya");
// assume expected output
string expected = "Hello, Katya!";
// assert if actual and expected are equal
Assert.AreEqual(expected, actual);
}
public void PrintTestFailed()
{
string actual = SayHello.PrintName("Katya");
// just for testing purposes, assume that the method failed to add the input name
string expected = "Hello!";
// when you run the Unit Test from the Visual Studio menu:
// TEST -> Windows -> Test Explorer (you will see in the Test Explorer window: Not Run Tests (2)
// and above it: Run All, click on Run All
// and you should get the following results listed under Run All
// Failed Tests (1)
// PrintTestFailed
// Passed Tests (1)
// PrintTest
// as we can see, the expected output in the PrintTestFailed
// checkes if the method has failed to add the inut name
// it hasn't so the failed test fails
Assert.AreEqual(expected, actual);
}