public void IsSameOrSubtypeOf_WhenOtherTypeIsASuperType_ReturnsTrue()
{
var superSuperType = new FileType("superSuperId", "superSuperDescription", null);
var superType = new FileType("superId", "superDescription", superSuperType);
var type = new FileType("id", "description", superType);
Assert.IsTrue(type.IsSameOrSubtypeOf(superType));
Assert.IsTrue(type.IsSameOrSubtypeOf(superSuperType));
}
public void IsSameOrSubtypeOf_WhenOtherTypeIsUnrelated_ReturnsFalse()
{
var superType = new FileType("superId", "superDescription", null);
var type = new FileType("id", "description", superType);
var unrelatedType = new FileType("otherId", "otherDescription", superType);
Assert.IsFalse(type.IsSameOrSubtypeOf(unrelatedType));
}
public void IsSameOrSubtypeOf_WhenOtherTypeIsNull_Throws()
{
var type = new FileType("id", "description", null);
Assert.Throws<ArgumentNullException>(() => type.IsSameOrSubtypeOf(null));
}
public void IsSameOrSubtypeOf_WhenOtherTypeIsSame_ReturnsTrue()
{
var type = new FileType("id", "description", null);
Assert.IsTrue(type.IsSameOrSubtypeOf(type));
}
/// <summary>
/// Returns true if the file type is the same or a subtype of one of those specified by <see cref="FileTypes"/>.
/// </summary>
/// <param name="fileType">The file type.</param>
/// <param name="fileTypeManager">The file type manager used to resolve file type ids to file types.</param>
/// <returns>True if the framework is compatible.</returns>
/// <exception cref="ArgumentNullException">Thrown if <paramref name="fileType"/> or <paramref name="fileTypeManager"/> is null.</exception>
public bool IsFrameworkCompatibleWithFileType(FileType fileType, IFileTypeManager fileTypeManager)
{
if (fileType == null)
throw new ArgumentNullException("fileType");
if (fileTypeManager == null)
throw new ArgumentNullException("fileTypeManager");
foreach (string fileTypeId in FileTypes)
{
FileType supportedFileType = fileTypeManager.GetFileTypeById(fileTypeId);
if (fileType.IsSameOrSubtypeOf(supportedFileType))
return true;
}
return false;
}