Working wip Cozi unit test

[Test]
public void TestBasicOps()
{
    string testProgram = @"
module Main
{
    function FuncAdd(valA: int, valB: int) : int
    {
        return valA + valB;
    }

    function FuncSub(valA: int, valB: int) : int
    {
        return valA - valB;
    }

    function FuncMul(valA: int, valB: int) : int
    {
        return valA * valB;
    }

    function FuncDiv(valA: int, valB: int) : int
    {
        return valA / valB;
    }

    function FuncMod(valA: int, valB: int) : int
    {
        return valA % valB;
    }

    function FuncAnd(valA: int, valB: int) : int
    {
        return valA & valB;
    }

    function FuncOr(valA: int, valB: int) : int
    {
        return valA | valB;
    }

    function FuncXor(valA: int, valB: int) : int
    {
        return valA ^ valB;
    }
}
";

    var lexer = new Lexer();
    var tokens = lexer.Extract(testProgram, "");

    var parser = new Parser();
    var ast = parser.Parse(tokens);

    var compiler = new Compiler();
    compiler.Compile(ast);

    using (var execEngine = compiler.InitRuntime()) {
        var funcAdd = execEngine.GetFunc<TestDelegate_int_int>("Main", "FuncAdd");
        var funcSub = execEngine.GetFunc<TestDelegate_int_int>("Main", "FuncSub");
        var funcMul = execEngine.GetFunc<TestDelegate_int_int>("Main", "FuncMul");
        var funcDiv = execEngine.GetFunc<TestDelegate_int_int>("Main", "FuncDiv");
        var funcMod = execEngine.GetFunc<TestDelegate_int_int>("Main", "FuncMod");
        var funcAnd = execEngine.GetFunc<TestDelegate_int_int>("Main", "FuncAnd");
        var funcOr = execEngine.GetFunc<TestDelegate_int_int>("Main", "FuncOr");
        var funcXor = execEngine.GetFunc<TestDelegate_int_int>("Main", "FuncXor");

        Assert.True(funcAdd(10, 5) == 10 + 5);
        Assert.True(funcSub(10, 5) == 10 - 5);
        Assert.True(funcMul(10, 5) == 10 * 5);
        Assert.True(funcDiv(10, 5) == 10 / 5);
        Assert.True(funcMod(10, 5) == 10 % 5);
        Assert.True(funcAnd(10, 5) == (10 & 5));
        Assert.True(funcOr(10, 5) == (10 | 5));
        Assert.True(funcXor(10, 5) == (10 ^ 5));
    }
}