public void ItShouldPossibleToInvokeStringCompare()
{
const string expected =
@"public System.Int32 Call(System.String par1, System.String par2)
{
System.Int32 result;
result = System.String.Compare(par1, par2, CurrentCulture);
return result;
}";
var newExpression = Function.Create()
.WithParameter <string>("par1")
.WithParameter <string>("par2")
.WithBody(
CodeLine.CreateVariable <int>("result"),
CodeLine.Assign(Operation.Variable("result"), StringOperation.Compare("par1", "par2"))
)
.Returns("result");
AssertString.AreEqual(expected, newExpression.ToString());
var lambda = newExpression.ToLambda <Func <string, string, int> >();
Assert.IsNotNull(lambda);
var result = lambda("a", "a");
Assert.AreEqual(0, result);
result = lambda("a", "b");
Assert.AreEqual(-1, result);
}