public void ExecuteSimpleAssignmentCommand()
{
SimpleAssignmentCommand command = new SimpleAssignmentCommand("foo", new ConstantExpression("bar"));
Machine machine = new Machine();
command.Execute(machine, machine.Environment);
Assert.AreEqual("bar", machine.Environment.GetValue("foo"));
}
public void CreateSimpleAssignmentCommand()
{
IExpression expression = new ConstantExpression("bar");
SimpleAssignmentCommand command = new SimpleAssignmentCommand("foo", expression);
Assert.IsNotNull(command);
Assert.IsNotNull(command.Name);
Assert.IsNotNull(command.Expression);
Assert.AreEqual("foo", command.Name);
Assert.AreEqual(expression, command.Expression);
}
public void ExecuteCompositeCommand()
{
SimpleAssignmentCommand command1 = new SimpleAssignmentCommand("foo", new ConstantExpression("bar"));
SimpleAssignmentCommand command2 = new SimpleAssignmentCommand("one", new ConstantExpression(1));
CompositeCommand command = new CompositeCommand();
command.AddCommand(command1);
command.AddCommand(command2);
Machine machine = new Machine();
command.Execute(machine, machine.Environment);
Assert.AreEqual("bar", machine.Environment.GetValue("foo"));
Assert.AreEqual(1, machine.Environment.GetValue("one"));
}
public void RaiseIfExpressionIsNullForSimpleAssignmentCommand()
{
SimpleAssignmentCommand command = new SimpleAssignmentCommand("foo", null);
}
public void RaiseIfNameIsNullForSimpleAssignmentCommand()
{
IExpression expression = new ConstantExpression("bar");
SimpleAssignmentCommand command = new SimpleAssignmentCommand(null, expression);
}
