using Upsilon.BaseTypes;
using Upsilon.BaseTypes.Number;
using Upsilon.Evaluator;
using Xunit;

namespace UpsilonTests
{
    public class FunctionTests
    {
        [Fact]
        public void BasicFunctionTest()
        {
            const string input = @"
function testFunc ()
    a = 100
end
a = 50
testFunc()
";
            var script = new Script(input);
            Assert.Empty(script.Diagnostics.Messages);
            script.Evaluate();
            Assert.Empty(script.Diagnostics.Messages);
            Assert.True(script.Scope.TryGet("testFunc", out var func));
            Assert.IsType<LuaFunction>(func);
            Assert.True(script.Scope.TryGet("a", out var a));
            Assert.Equal(100, (long)(NumberLong)a);
        }
    }
}