using System;
using System.Collections.Generic;
using System.Text;
using UnitTestSharp;
using Sunweaver.Commands.Abstracts;
using Sunweaver.Commands;
using Sunweaver.VM;

namespace Sunweaver.UnitTesting.Commands
{
    
    public class storeTests : TestFixture
    {
        BasePair bp = new store();
        VirtualMachine VM;

        
        public override void TestSetup()
        {
            VM = new VirtualMachine();
        }

        
        public void StoresCorrectly()
        {
            
            VM.Stack.Push(25);
            VM.Stack.Push(30);

            bp.Implementation(VM);

            CheckEqual((short)25, VM.Memory[30]);
        }

        
        public void NameTest()
        {
            CheckEqual("store", bp.ToString());
        }

        
        public void NegativeLocation()
        {
            
            VM.Stack.Push(25);
            VM.Stack.Push(-30);

            bp.Implementation(VM);

            CheckEqual((short)25, VM.Memory[30]);
        }

        
        public void OverflowValue()
        {            
            VM.Stack.Push(2500001);
            VM.Stack.Push(30);

            bp.Implementation(VM);

            CheckEqual((short)1, VM.Memory[30]);
        }

        
        public void OverflowLocation()
        {
            
            VM.Stack.Push(25);
            VM.Stack.Push(3000001);

            bp.Implementation(VM);

            CheckEqual((short)25, VM.Memory[1]);
        }

        
        public void DoesNotFizzleWhenFalse()
        {            
            VM.BoolStack.Push(false);

            VM.Stack.Push(25);
            VM.Stack.Push(30);

            bp.Implementation(VM);

            CheckEqual((short)25, VM.Memory[30]);
        }

        public void StoreToZeroDoesNothing()
        {
            VM.Stack.Push(25);
            VM.Stack.Push(0);

            bp.Implementation(VM);
        }
    }
}