public String Statistic(String cmdType, String arg1, String arg2)
{
ICommand cmd;
if (cmdType == "Sum")
{
ISum sum = SumFactory.GetCommand(arg1, arg2);
cmd = new SumCommand(sum);
}
else if (cmdType == "Average")
{
IAverage average = AverageFactory.GetCommand(arg1, arg2);
cmd = new AverageCommand(average);
}
else if (cmdType == "Max")
{
IMax max = MaxFactory.GetCommand(arg1, arg2);
cmd = new MaxCommand(max);
}
else
{
IMin min = MinFactory.GetCommand(arg1, arg2);
cmd = new MinCommand(min);
}
String res = CommandInvoker.DoCommand(cmd);
return(res);
}
public void Works_with_sum_factory_and_0_then_1_as_data_source()
{
var factoryProviders = GetFactoryProvidersSource(new DefaultFactoryProvider<SumFactory>());
var dataSource = GetDataSource(0, 1);
var factory = new SumFactory { FactoryProvidersSource = factoryProviders, DataSource = dataSource, StackSize = 3 };
var enumerator = factory.GetEnumerator();
IsFalse(enumerator.MoveNext());
}
public void Works_with_number_factory_0_as_data_source()
{
var factoryProviders = GetFactoryProvidersSource(new DefaultFactoryProvider<NumberFactory>());
var dataSource = GetDataSource(0);
var factory = new SumFactory { FactoryProvidersSource = factoryProviders, DataSource = dataSource, StackSize = 3 };
var enumerator = factory.GetEnumerator();
Assert(enumerator, "(0+0)");
IsFalse(enumerator.MoveNext());
}
public void Works_with_number_and_contrariety_factory_and_1_then_2_as_data_source()
{
var factoryProviders = GetFactoryProvidersSource(
new DefaultFactoryProvider<NumberFactory>(),
new DefaultFactoryProvider<ContrarietyFactory>());
var dataSource = GetDataSource(1, 2);
var factory = new SumFactory { FactoryProvidersSource = factoryProviders, DataSource = dataSource, StackSize = 3 };
var enumerator = factory.GetEnumerator();
Assert(enumerator, "(1+(-1))");
Assert(enumerator, "(1+1)");
Assert(enumerator, "(2+(-2))");
Assert(enumerator, "(2+(-1))");
Assert(enumerator, "(2+2)");
Assert(enumerator, "(2+1)");
IsFalse(enumerator.MoveNext());
}
