public void IdShouldWriteExpectedValue()
{
// arrange
var expected = "42";
var command = new AsyncNamedDataItemCommand<object, object>( "Test", ( i, p ) => Task.FromResult( 0 ), null );
// act
Assert.PropertyChanged( command, "Id", () => command.Id = expected );
var actual = command.Id;
// assert
Assert.Equal( expected, actual );
}
public void DescriptionShouldNotAllowNull()
{
// arrange
string value = null;
var command = new AsyncNamedDataItemCommand<object, object>( "Test", ( i, p ) => Task.FromResult( 0 ), null );
// act
var ex = Assert.Throws<ArgumentNullException>( () => command.Description = value );
// assert
Assert.Equal( "value", ex.ParamName );
}