public void AddHeaderTest_WithExpectedArgs_ReturnSelfWithHeaderAdded() { // Arrange string testToastHeaderId = "Test Header ID"; string testToastTitle = "Test Toast Title"; string testToastArguments = "Test Toast Arguments"; // Act ToastContentBuilder builder = new ToastContentBuilder(); ToastContentBuilder anotherReference = builder.AddHeader(testToastHeaderId, testToastTitle, testToastArguments); // Assert Assert.AreSame(builder, anotherReference); Assert.AreEqual(testToastHeaderId, builder.Content.Header.Id); Assert.AreEqual(testToastTitle, builder.Content.Header.Title); Assert.AreEqual(testToastArguments, builder.Content.Header.Arguments); }