protected void EvalExpression(string expr, double?expected, bool hasEvaluationError = false,
Dictionary <string, ushort> symbols = null)
{
var assembler = new Z80Assembler();
assembler.Compile("");
if (symbols != null)
{
foreach (var pair in symbols)
{
assembler.SetSymbolValue(pair.Key, new ExpressionValue(pair.Value));
}
}
var exprNode = ParseExpr(expr);
var result = assembler.Eval(null, exprNode);
if (expected == null)
{
result.ShouldBeNull();
}
else
{
Math.Abs(Math.Round(result.AsReal(), 8) - Math.Round(expected.Value, 8)).ShouldBeLessThanOrEqualTo(10 * double.Epsilon);
}
if (hasEvaluationError)
{
exprNode.EvaluationError.ShouldNotBeNull();
}
}
protected void EvalExpression(string expr, ushort?expected, bool hasEvaluationError = false,
Dictionary <string, ushort> symbols = null)
{
var assembler = new Z80Assembler();
assembler.Compile("");
if (symbols != null)
{
foreach (var pair in symbols)
{
assembler.SetSymbolValue(pair.Key, new ExpressionValue(pair.Value));
}
}
var exprNode = ParseExpr(expr);
var result = assembler.Eval(null, exprNode);
if (expected == null)
{
result.ShouldBeNull();
}
else
{
result.Value.ShouldBe(expected.Value);
}
if (hasEvaluationError)
{
exprNode.EvaluationError.ShouldNotBeNull();
}
}
protected ExpressionValue EvalImmediate(string expr, bool hasEvaluationError = false,
Dictionary <string, ushort> symbols = null)
{
var assembler = new Z80Assembler();
assembler.Compile("");
if (symbols != null)
{
foreach (var pair in symbols)
{
assembler.SetSymbolValue(pair.Key, new ExpressionValue(pair.Value));
}
}
var exprNode = ParseExpr(expr);
return(assembler.EvalImmediate(null, exprNode));
}
protected void RemainsUnevaluated(string expr, bool hasEvaluationError = false,
Dictionary <string, ushort> symbols = null)
{
var assembler = new Z80Assembler();
assembler.Compile("");
if (symbols != null)
{
foreach (var pair in symbols)
{
assembler.SetSymbolValue(pair.Key, new ExpressionValue(pair.Value));
}
}
var exprNode = ParseExpr(expr);
var result = assembler.Eval(null, exprNode);
result.ShouldBe(ExpressionValue.NonEvaluated);
}