public void DetectsNonBoolConditions()
{
ITypeCheckExpr expr = tcFactory.IfElse(tcFactory.Int(5), tcFactory.String("True"), tcFactory.String("False"));
ErrorManager errMngr = new ErrorManager();
expr.TypeCheck(new TypeEnvironment(errMngr));
Assert.True(errMngr.HasErrors);
}
public void DetectsIncompatibleOperandsInOperation()
{
ITypeCheckExpr expr = tcFactory.Add(tcFactory.Bool(true), tcFactory.Int(100));
ErrorManager errMngr = new ErrorManager();
expr.TypeCheck(new TypeEnvironment(errMngr));
Assert.True(errMngr.HasErrors);
}
public void DetectsAssignmentOfInvalidType()
{
string varName = "someVar";
ITypeCheckStmnt stmnt = tcFactory.Label("Test",
tcFactory.VarAssign(varName, tcFactory.RealType(), tcFactory.Bool(true))
);
ErrorManager errMngr = new ErrorManager();
TypeEnvironment te = new TypeEnvironment(errMngr);
stmnt.TypeCheck(te);
Assert.True(te.IsDeclared(varName));
Assert.True(errMngr.HasErrors);
}
private void OnCompletion(object root)
{
ErrorManager errMngr = new ErrorManager();
errMngr.ErrorReported += (msg, sPos, ePos) => PrintMsg(sPos, ePos, msg, Colors.Red);
errMngr.WarningReported += (msg, sPos, ePos) => PrintMsg(sPos, ePos, msg, Colors.Yellow);
IPair<IPair<ITypeCheckStmnt, IPrintStmnt>, IFormStmnt> combItem = (IPair<IPair<ITypeCheckStmnt, IPrintStmnt>, IFormStmnt>)root;
combItem.Item1.Item1.TypeCheck(new TypeEnvironment(errMngr));
if (!errMngr.HasErrors)
{
printOutputTextBox.Document = new FlowDocument(combItem.Item1.Item2.BuildDocument(0));
questionaireContainer.Content = combItem.Item2.BuildForm(new Algebra.QL.Extensions.Eval.Environment.ValueEnvironment(),
new Algebra.QL.Extensions.Form.Environment.TypeEnvironment());
tabControl.SelectedIndex = 1;
}
}
public void CyclicDependencyNotPossible()
{
string varName1 = "var1";
string varName2 = "var2";
ITypeCheckType type1 = tcFactory.RealType();
ITypeCheckType type2 = tcFactory.BoolType();
ITypeCheckStmnt stmnt = tcFactory.Statements(
tcFactory.Label("Test", tcFactory.VarAssign(varName1, type1, tcFactory.Variable(varName2))),
tcFactory.Label("Test", tcFactory.VarAssign(varName2, type2, tcFactory.Variable(varName1)))
);
ErrorManager errMngr = new ErrorManager();
TypeEnvironment te = new TypeEnvironment(errMngr);
stmnt.TypeCheck(te);
Assert.True(te.IsDeclared(varName1));
Assert.True(te.IsDeclared(varName2));
Assert.True(errMngr.HasErrors);
}
public void DetectsRedefinedQuestions()
{
string varName = "someVar";
ITypeCheckType type1 = tcFactory.RealType();
ITypeCheckType type2 = tcFactory.BoolType();
ITypeCheckStmnt stmnt = tcFactory.Statements(
tcFactory.Question("Test", tcFactory.VarDecl(varName, type1)),
tcFactory.Question("Test", tcFactory.VarDecl(varName, type2))
);
ErrorManager errMngr = new ErrorManager();
TypeEnvironment te = new TypeEnvironment(errMngr);
stmnt.TypeCheck(te);
Assert.True(te.IsDeclared(varName));
Assert.True(errMngr.HasErrors);
}
public void DuplicateLabelsWarning()
{
string varName = "someVar";
ITypeCheckType varType = tcFactory.IntType();
ITypeCheckStmnt stmnt = tcFactory.Statements(
tcFactory.Question("Test", tcFactory.VarDecl(varName, varType)),
tcFactory.Question("Test", tcFactory.VarDecl(varName, varType))
);
ErrorManager errMngr = new ErrorManager();
TypeEnvironment te = new TypeEnvironment(errMngr);
stmnt.TypeCheck(te);
Assert.True(te.IsDeclared(varName));
Assert.True(errMngr.HasWarnings);
Assert.False(errMngr.HasErrors);
}
public void DetectsUndefinedQuestionUse()
{
string varName = "someVar";
ITypeCheckStmnt stmnt = tcFactory.Label("Test", tcFactory.Variable(varName));
ErrorManager errMngr = new ErrorManager();
TypeEnvironment te = new TypeEnvironment(errMngr);
stmnt.TypeCheck(te);
Assert.False(te.IsDeclared(varName));
Assert.True(errMngr.HasErrors);
}