public void QuackTest()
{
var mallard = new Mallard();
var darkwingDuck = new DarkwingDuck();
var toy = new DarkwingDuckToy();
Assert.Equal(mallard.Quack(), Quack(mallard));
Assert.Equal(darkwingDuck.Quack(), Quack(darkwingDuck));
Assert.Throws <Exception>(() => toy.Quack());
toy.InsertBatteries();
Assert.Equal(toy.Quack(), Quack(toy));
}
public void Mallard_can_quack()
{
// Arrange
var duckUnderTest = new Mallard();
// Act
var result = duckUnderTest.Quack();
// Asset
Assert.That(result, Is.EqualTo("Quack!"));
}
public void Mallard_can_change_quack_to_muted()
{
// Arrange
var duckUnderTest = new Mallard();
duckUnderTest.QuackBehaviour = new MutedQuack();
// Act
var result = duckUnderTest.Quack();
// Assert
Assert.That(result, Is.EqualTo("..."));
}