public void ParseMultipleOps_OperatorPrecedence_MulAdd()
{
var t = new TermParse();
var result = t.Parse("2 * 2 + 4");
Assert.AreEqual(result.Eval(null), 8f);
}
public void ParseMultipleOps_Brackets_EvaluatedCorrectly()
{
var t = new TermParse();
var result = t.Parse("2 * (2 + 4)");
Assert.AreEqual(result.Eval(null), 12f);
}
public void ParseJustAString_YieldsVariableLookupNode()
{
var t = new TermParse();
var result = t.Parse("ThisIsAVariable");
Assert.IsTrue(result is VarRefNode);
}
public void ParseNoOperators_YieldsStaticValue()
{
var t = new TermParse();
var result = t.Parse("11");
Assert.IsTrue(result is StaticValueNode);
}
public void ParseAdd_CreatesAdderNode()
{
var t = new TermParse();
var result = t.Parse("1 + 1");
Assert.IsTrue(result is AddNode);
}
static void Main(string[] args)
{
SetupEnvironment();
TermParse prs = new TermParse();
while (!done)
{
var cmd = Console.ReadLine();
try
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine(">> " + prs.EvalString(cmd, environment));
}
catch (Exception e)
{
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine(e.Message);
}
finally
{
Console.ForegroundColor = ConsoleColor.Gray;
}
}
}
public void Parse_VarIsEvaluated()
{
var vt = new SymbolTable();
vt.Register("x", 2.0f);
var t = new TermParse();
var result = t.Parse("x * 2");
Assert.AreEqual(result.Eval(vt), 4.0f);
}
public void ParseMultipleOps_OperatorPrecedence_AddMul()
{
var t = new TermParse();
var result = t.Parse("1 + 1 * 4");
Assert.IsTrue(result is AddNode);
var n = result as AddNode;
Assert.IsTrue(n.Right is MulNode);
Assert.AreEqual(result.Eval(null), 5f);
}
public void Parse_NestedFuncCall_YieldsFuncCallNode()
{
var result = new TermParse().Parse("fnord(fark())");
Assert.IsInstanceOfType(result, typeof(FuncCallNode));
}
public void Parse_List_YieldsListNode()
{
var lst = new TermParse().Parse("{a, 1, 2, 5}");
Assert.IsInstanceOfType(lst, typeof(ListNode));
}
public void Parse_MultipleParameters_YieldsFuncCallNode()
{
var result = new TermParse().Parse("fnord(1, 3, 5 + foo())");
Assert.IsInstanceOfType(result, typeof(FuncCallNode));
}