public void IsDefined()
{
Assembly thisAsm = typeof(GetCustomAttributes_Assembly).GetTypeInfo().Assembly;
Assert.True(CustomAttributeExtensions.IsDefined(thisAsm, typeof(MyAttribute_AllowMultiple)));
Assert.False(CustomAttributeExtensions.IsDefined(thisAsm, typeof(SecurityCriticalAttribute)));
}
public void CustomAttributes_Get()
{
Assembly thisAsm = typeof(GetCustomAttributes_Assembly).GetTypeInfo().Assembly;
IEnumerable <CustomAttributeData> attributeData = thisAsm.CustomAttributes;
IEnumerator <CustomAttributeData> customAttrs = attributeData.GetEnumerator();
Assert.Equal(1, attributeData.Count(attr => attr.ToString().Contains("MyAttribute_Single")));
Assert.Equal(2, attributeData.Count(attr => attr.ToString().Contains("MyAttribute_AllowMultiple")));
}
public void GetCustomAttributes_thisAsm()
{
Assembly thisAsm = typeof(GetCustomAttributes_Assembly).GetTypeInfo().Assembly;
IEnumerable <Attribute> attributes = CustomAttributeExtensions.GetCustomAttributes(thisAsm);
//There are other attributes added as default:
Assert.Equal(1, attributes.Count(attr => attr.ToString().Equals("System.Reflection.Tests.MyAttribute_Single single", StringComparison.Ordinal)));
Assert.Equal(1, attributes.Count(attr => attr.ToString().Equals("System.Reflection.Tests.MyAttribute_AllowMultiple multiple1", StringComparison.Ordinal)));
Assert.Equal(1, attributes.Count(attr => attr.ToString().Equals("System.Reflection.Tests.MyAttribute_AllowMultiple multiple2", StringComparison.Ordinal)));
}
public void GetCustomAttributesOfT()
{
Assembly thisAsm = typeof(GetCustomAttributes_Assembly).GetTypeInfo().Assembly;
IEnumerable <Attribute> attributes;
attributes = CustomAttributeExtensions.GetCustomAttributes <MyAttribute_AllowMultiple>(thisAsm);
Assert.Equal(2, attributes.Count());
Assert.Equal(1, attributes.Count(attr => attr.ToString().Equals("System.Reflection.Tests.MyAttribute_AllowMultiple multiple1", StringComparison.Ordinal)));
Assert.Equal(1, attributes.Count(attr => attr.ToString().Equals("System.Reflection.Tests.MyAttribute_AllowMultiple multiple2", StringComparison.Ordinal)));
attributes = CustomAttributeExtensions.GetCustomAttributes <SecurityCriticalAttribute>(thisAsm);
Assert.Equal(0, attributes.Count());
}
public void GetCustomAttributeExtension()
{
Assembly thisAsm = typeof(GetCustomAttributes_Assembly).GetTypeInfo().Assembly;
Attribute attribute = CustomAttributeExtensions.GetCustomAttribute(thisAsm, typeof(SecurityCriticalAttribute));
Assert.Null(attribute);
attribute = CustomAttributeExtensions.GetCustomAttribute(thisAsm, typeof(MyAttribute_Single));
Assert.Equal("System.Reflection.Tests.MyAttribute_Single single", attribute.ToString());
Assert.Throws <AmbiguousMatchException>(() =>
{
attribute = CustomAttributeExtensions.GetCustomAttribute(thisAsm, typeof(MyAttribute_AllowMultiple));
});
}
public void GetCustomAttributeOfT()
{
Assembly thisAsm = typeof(GetCustomAttributes_Assembly).GetTypeInfo().Assembly;
Attribute attribute;
attribute = CustomAttributeExtensions.GetCustomAttribute <SecurityCriticalAttribute>(thisAsm);
Assert.Null(attribute);
AssertExtensions.Throws <ArgumentException>(null, () =>
{
CustomAttributeExtensions.GetCustomAttributes(thisAsm, typeof(string));
});
attribute = CustomAttributeExtensions.GetCustomAttribute <MyAttribute_Single>(thisAsm);
Assert.Equal("System.Reflection.Tests.MyAttribute_Single single", attribute.ToString());
Assert.Throws <AmbiguousMatchException>(() =>
{
attribute = CustomAttributeExtensions.GetCustomAttribute <Attribute>(thisAsm);
});
}
