public void CreateAndExecuteCompositeCommand()
{
IEnumerable<ICommand> commands = new ICommand[] {
new SetVariableCommand("a", new ConstantExpression(1)),
new SetVariableCommand("b", new ConstantExpression(2))
};
CompositeCommand command = new CompositeCommand(commands);
Context context = new Context();
Assert.IsNotNull(command.Commands);
Assert.AreEqual(2, command.Commands.Count());
Assert.AreEqual(2, command.Execute(context));
Assert.AreEqual(1, context.GetValue("a"));
Assert.AreEqual(2, context.GetValue("b"));
}
private static void EvaluateCommands(string text, Context context)
{
Parser parser = new Parser(text);
var result = parser.ParseCommands();
var command = new CompositeCommand(result);
command.Execute(context);
}