public void Replace_WithEnumeration_ReturnsNewEnumerationWithItemReplaced() { // arrange var testModel = new TestModel { Id = 2 }; var replacement = new TestModel { Id = 5 }; var items = new TestModel[] { new TestModel { Id = 1 }, testModel, new TestModel { Id = 3 }, new TestModel { Id = 4 }, }; // act var newItems = items.Replace(testModel, replacement); // assert Assert.Contains(replacement, newItems); Assert.DoesNotContain(testModel, newItems); }
public void Replace_WithEnumerationAndNullSource_ReturnsNewEnumerationWithItemReplaced() { // arrange var replacement = new TestModel { Id = 5 }; var items = new TestModel[] { new TestModel { Id = 1 }, new TestModel { Id = 3 }, new TestModel { Id = 4 }, }; // act var newItems = items.Replace(null, replacement); // assert Assert.Contains(replacement, newItems); }