public void Annotations_are_ordered_by_name()
{
var metadataBase = new ConcreteMetadata();
var annotation1 = metadataBase.AddAnnotation("Z", "Foo");
var annotation2 = metadataBase.AddAnnotation("A", "Bar");
Assert.True(new[] { annotation2, annotation1 }.SequenceEqual(metadataBase.Annotations));
}
public void Addind_duplicate_annotation_throws()
{
var metadataBase = new ConcreteMetadata();
metadataBase.AddAnnotation("Foo", "Bar");
Assert.Equal(
Strings.FormatDuplicateAnnotation("Foo"),
Assert.Throws <InvalidOperationException>(() => metadataBase.AddAnnotation("Foo", "Bar")).Message);
}
public void Can_add_and_remove_annotation()
{
var metadataBase = new ConcreteMetadata();
Assert.Null(metadataBase.TryGetAnnotation("Foo"));
Assert.Null(metadataBase.RemoveAnnotation(new Annotation("Foo", "Bar")));
var annotation = metadataBase.AddAnnotation("Foo", "Bar");
Assert.NotNull(annotation);
Assert.Equal("Bar", annotation.Value);
Assert.Equal("Bar", metadataBase["Foo"]);
Assert.Same(annotation, metadataBase.TryGetAnnotation("Foo"));
Assert.Same(annotation, metadataBase.GetOrAddAnnotation("Foo", "Baz"));
Assert.Equal(new[] { annotation }, metadataBase.Annotations.ToArray());
Assert.Same(annotation, metadataBase.RemoveAnnotation(annotation));
Assert.Empty(metadataBase.Annotations);
Assert.Null(metadataBase.RemoveAnnotation(annotation));
Assert.Null(metadataBase["Foo"]);
Assert.Null(metadataBase.TryGetAnnotation("Foo"));
}
