public void DefaultValues()
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new DefaultCompositeMetadataDetailsProvider(
Enumerable.Empty <IMetadataDetailsProvider>());
var key = ModelMetadataIdentity.ForType(typeof(string));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
// Act
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Assert
Assert.NotNull(metadata.AdditionalValues);
Assert.Empty(metadata.AdditionalValues);
Assert.Equal(typeof(string), metadata.ModelType);
Assert.True(metadata.ConvertEmptyStringToNull);
Assert.False(metadata.HasNonDefaultEditFormat);
Assert.False(metadata.HideSurroundingHtml);
Assert.True(metadata.HtmlEncode);
Assert.True(metadata.IsBindingAllowed);
Assert.False(metadata.IsBindingRequired);
Assert.False(metadata.IsCollectionType);
Assert.False(metadata.IsComplexType);
Assert.False(metadata.IsEnumerableType);
Assert.False(metadata.IsEnum);
Assert.False(metadata.IsFlagsEnum);
Assert.False(metadata.IsNullableValueType);
Assert.False(metadata.IsReadOnly);
Assert.False(metadata.IsRequired); // Defaults to false for reference types
Assert.True(metadata.ShowForDisplay);
Assert.True(metadata.ShowForEdit);
Assert.False(metadata.ValidateChildren); // Defaults to true for complex and enumerable types.
Assert.Null(metadata.DataTypeName);
Assert.Null(metadata.Description);
Assert.Null(metadata.DisplayFormatString);
Assert.Null(metadata.DisplayName);
Assert.Null(metadata.EditFormatString);
Assert.Null(metadata.ElementMetadata);
Assert.Null(metadata.EnumGroupedDisplayNamesAndValues);
Assert.Null(metadata.EnumNamesAndValues);
Assert.Null(metadata.NullDisplayText);
Assert.Null(metadata.PropertyValidationFilter);
Assert.Null(metadata.SimpleDisplayProperty);
Assert.Null(metadata.Placeholder);
Assert.Null(metadata.TemplateHint);
Assert.Equal(10000, ModelMetadata.DefaultOrder);
Assert.Equal(ModelMetadata.DefaultOrder, metadata.Order);
Assert.Null(metadata.BinderModelName);
Assert.Null(metadata.BinderType);
Assert.Null(metadata.BindingSource);
Assert.Null(metadata.PropertyFilterProvider);
}
public void CreateMetadataForType()
{
// Arrange
var provider = new EmptyModelMetadataProvider();
var detailsProvider = new DefaultCompositeMetadataDetailsProvider(
Enumerable.Empty <IMetadataDetailsProvider>());
var key = ModelMetadataIdentity.ForType(typeof(Exception));
var cache = new DefaultMetadataDetails(key, new ModelAttributes(new object[0]));
// Act
var metadata = new DefaultModelMetadata(provider, detailsProvider, cache);
// Assert
Assert.Equal(typeof(Exception), metadata.ModelType);
Assert.Null(metadata.PropertyName);
Assert.Null(metadata.ContainerType);
}
