public void LiteralTest()
{
var intlit = new LiteralIntExpression(5);
Assert.AreEqual(5, intlit.Value);
Assert.AreEqual("5", intlit.ToString());
var fltlit = new LiteralFloatExpression(9.9);
Assert.AreEqual(9.9, fltlit.Value);
Assert.IsTrue(fltlit.ToString().StartsWith("9.9"));
var strlit = new LiteralStringExpression("hello");
Assert.AreEqual("hello", strlit.Value);
Assert.AreEqual("\"hello\"", strlit.ToString());
//foreach (var l in new Literal[] { intlit, fltlit, strlit })
// Assert.IsInstanceOf<Literal>(Expression.FromPtr(l.Ptr, IntPtr.Zero));
}
public void ApplicationTest()
{
var arg1 = new LiteralIntExpression(1);
var arg2 = new LiteralStringExpression("xyz");
var fname = "hello";
var expr = new ApplicationExpression(fname, new Expression[] { arg1, arg2 });
Assert.AreEqual("hello 1 \"xyz\"", expr.ToString());
Assert.IsInstanceOf <ApplicationExpression>(expr.Function);
Assert.IsInstanceOf <LiteralExpression>(expr.Argument);
Assert.AreEqual("xyz", (expr.Argument as LiteralStringExpression).Value);
var inner = expr.Function as ApplicationExpression;
Assert.IsInstanceOf <FunctionExpression>(inner.Function);
var fun = inner.Function as FunctionExpression;
Assert.AreEqual("hello", fun.Name);
Assert.AreEqual(1, (inner.Argument as LiteralIntExpression).Value);
}
