public void LiteralTypeAndConstructorType_Unify_TypeMismatchReported()
{
TypeVariableSet typeVariableSet = new TypeVariableSet();
TypeVariableReference literalReference = typeVariableSet.CreateTypeVariableReferenceFromNIType(NITypes.Int32),
constructorReference = typeVariableSet.CreateTypeVariableReferenceFromNIType(NITypes.Int32.CreateVector());
var testTypeUnificationResult = new TestTypeUnificationResult();
typeVariableSet.Unify(constructorReference, literalReference, testTypeUnificationResult);
Assert.IsTrue(testTypeUnificationResult.TypeMismatch);
}
public void TwoDifferentLiteralTypes_Unify_TypeMismatchReported()
{
TypeVariableSet typeVariableSet = new TypeVariableSet();
TypeVariableReference literalReference1 = typeVariableSet.CreateTypeVariableReferenceFromNIType(NITypes.Int32),
literalReference2 = typeVariableSet.CreateTypeVariableReferenceFromNIType(NITypes.Boolean);
var testTypeUnificationResult = new TestTypeUnificationResult();
typeVariableSet.Unify(literalReference2, literalReference1, testTypeUnificationResult);
Assert.IsTrue(testTypeUnificationResult.TypeMismatch);
}
public void TwoConstructorTypesWithDifferentConstructorNames_Unify_TypeMismatchReported()
{
TypeVariableSet typeVariableSet = new TypeVariableSet();
TypeVariableReference constructorType1 = typeVariableSet.CreateReferenceToOptionType(
typeVariableSet.CreateTypeVariableReferenceFromNIType(NITypes.Int32));
TypeVariableReference constructorType2 = typeVariableSet.CreateReferenceToLockingCellType(
typeVariableSet.CreateTypeVariableReferenceFromNIType(NITypes.Int32));
var typeUnificationResult = new TestTypeUnificationResult();
typeVariableSet.Unify(constructorType1, constructorType2, typeUnificationResult);
Assert.IsTrue(typeUnificationResult.TypeMismatch);
}
public void TwoConstructorTypesWithSameConstructorNameAndDifferentInnerTypes_Unify_TypeMismatchReported()
{
TypeVariableSet typeVariableSet = new TypeVariableSet();
TypeVariableReference constructorType1 = typeVariableSet.CreateReferenceToConstructorType("Vector",
typeVariableSet.CreateReferenceToLiteralType(PFTypes.Int32));
TypeVariableReference constructorType2 = typeVariableSet.CreateReferenceToConstructorType("Vector",
typeVariableSet.CreateReferenceToLiteralType(PFTypes.Boolean));
var typeUnificationResult = new TestTypeUnificationResult();
typeVariableSet.Unify(constructorType1, constructorType2, typeUnificationResult);
Assert.IsTrue(typeUnificationResult.TypeMismatch);
}
public void TypeVariableWithCopyConstraintAndNonCopyableType_Unify_FailedConstraintReported()
{
TypeVariableSet typeVariableSet = new TypeVariableSet();
TypeVariableReference literalReference = typeVariableSet.CreateReferenceToReferenceType(
true,
typeVariableSet.CreateTypeVariableReferenceFromNIType(NITypes.Int32),
typeVariableSet.CreateReferenceToLifetimeType(Lifetime.Static));
var constraint = new SimpleTraitConstraint("Copy");
TypeVariableReference typeVariable = typeVariableSet.CreateReferenceToNewTypeVariable(constraint.ToEnumerable());
var testTypeUnificationResult = new TestTypeUnificationResult();
typeVariableSet.Unify(typeVariable, literalReference, testTypeUnificationResult);
Assert.IsTrue(testTypeUnificationResult.FailedConstraints.Contains(constraint));
}