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);
}
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 AddEval()
{
Assert.AreEqual(3, (float)tp.Parse("2+1").Eval(null));
}