public void CompileFailTest()
{
var expression = "1 / 0";
var pResult = Parser.ParseAssignment(expression);
Assert.AreEqual(expression, pResult.ExpressionString);
Assert.AreEqual(expression, pResult.WholeCode);
Assert.IsFalse(pResult.IsDeclaring);
var cResult = RexCompileEngine.Compile(pResult);
Assert.IsNotEmpty(cResult.Errors);
CollectionAssert.Contains(cResult.Errors, "Division by constant zero\r");
}
public void ClassSetup()
{
if (Parser == null)
Parser = new RexParser();
RexHelper.Variables.Clear();
var expression = "1+1";
var pResult = Parser.ParseAssignment(expression);
var cResult = RexCompileEngine.Compile(pResult);
var output = Execute(cResult);
Assert.AreEqual(2, output.Value);
RexHelper.Variables.Clear();
RexHelper.ClearOutput();
}
public void SimpleAssigmentTest()
{
var expression = "x = 1 + 1";
var pResult = Parser.ParseAssignment(expression);
Assert.AreEqual("1 + 1", pResult.ExpressionString);
Assert.AreEqual(expression, pResult.WholeCode);
Assert.IsTrue(pResult.IsDeclaring);
var cResult = RexCompileEngine.Compile(pResult);
Assert.AreEqual(pResult, cResult.Parse);
Assert.IsNotNull(cResult.Assembly);
var output = Execute(cResult);
Assert.AreEqual(2, output.Value);
Assert.AreEqual(2, RexHelper.Variables["x"].VarValue);
}
public void SimpleExpressionTest()
{
var expression = "1+1";
var pResult = Parser.ParseAssignment(expression);
Assert.AreEqual(expression, pResult.ExpressionString);
Assert.AreEqual(expression, pResult.WholeCode);
Assert.IsFalse(pResult.IsDeclaring);
var cResult = RexCompileEngine.Compile(pResult);
Assert.AreEqual(pResult, cResult.Parse);
Assert.IsNotNull(cResult.Assembly);
var output = Execute(cResult);
Assert.AreEqual(2, output.Value);
output = CompileAndRun("null");
Assert.IsNull(output.Value);
}
public void AdvancedAssigmentTest()
{
var expr = "new Func<int, bool>(i => i < 5)";
var expression = "x = " + expr;
var pResult = Parser.ParseAssignment(expression);
Assert.AreEqual(expr, pResult.ExpressionString);
Assert.AreEqual(expression, pResult.WholeCode);
Assert.IsTrue(pResult.IsDeclaring);
var cResult = RexCompileEngine.Compile(pResult);
Assert.AreEqual(pResult, cResult.Parse);
Assert.IsNotNull(cResult.Assembly);
var output = Execute(cResult);
Assert.IsInstanceOf<Func<int, bool>>(output.Value);
var func = RexHelper.Variables["x"].VarValue as Func<int, bool>;
Assert.IsTrue(func(1));
Assert.IsFalse(func(6));
}
public void LinqAssigmentTest()
{
var expr = "new[] { 1, 2, 3 }.Select(i => i)";
var expression = "x = " + expr;
var pResult = Parser.ParseAssignment(expression);
Assert.AreEqual(expr, pResult.ExpressionString);
Assert.AreEqual(expression, pResult.WholeCode);
Assert.IsTrue(pResult.IsDeclaring);
var cResult = RexCompileEngine.Compile(pResult);
Assert.AreEqual(pResult, cResult.Parse);
Assert.IsNotNull(cResult.Assembly);
var output = Execute(cResult);
Assert.IsInstanceOf<IEnumerable<int>>(output.Value);
var list = RexHelper.Variables["x"].VarValue as IEnumerable<int>;
Assert.AreEqual(new[] { 1, 2, 3 }, list);
Assert.AreEqual(CompileAndRun("1+1").Value, 2);
}
public static DummyOutput CompileAndRun(string code, out Dictionary<MessageType, List<string>> messages)
{
var pResult = new RexParser().ParseAssignment(code);
var cResult = RexCompileEngine.Compile(pResult);
return RexHelper.Execute<DummyOutput>(cResult, out messages);
}