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isInSolvedForm(), Unit-Tests, removed PairOp.Equals

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This commit is contained in:
Florian Steurer 2016-03-31 22:09:46 +02:00
parent 304a5693a6
commit d89d06797e
7 changed files with 443 additions and 306 deletions
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3
src/de/dhbwstuttgart/typeinference/unify/model/MPair.java
View File

@ -6,7 +6,6 @@ public class MPair {
SMALLER,
SMALLERDOT,
SMALLERDOTWC,
EQUALS,
EQUALSDOT;
@Override
@ -18,8 +17,6 @@ public class MPair {
return "<.";
case SMALLERDOTWC:
return "<.?";
case EQUALS:
return "=";
default:
return "=.";
}

23
src/de/dhbwstuttgart/typeinference/unifynew/Mapping.java
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@ -56,32 +56,27 @@ public class Mapping {
return result.size() == pairs.size() ? Optional.of(result) : Optional.empty();
}
private de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator mapOp(de.dhbwstuttgart.typeinference.Pair.PairOperator op) {
/*
* TODO
* Warum hat der PairOp nur drei Werte? Wie wird SMALLERDOTWC etc im anderen Pair geregelt?
*/
private de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator mapOp(de.dhbwstuttgart.typeinference.Pair.PairOperator op) {
switch(op) {
case Equal:
return de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator.EQUALS;
return de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator.EQUALSDOT;
case Smaller:
return de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator.SMALLER;
case SmallerExtends:
return de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator.SMALLERDOT;
default:
return de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator.EQUALS;
case SmallerExtends:
return de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator.SMALLERDOTWC;
default:
return de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator.EQUALSDOT;
}
}
private de.dhbwstuttgart.typeinference.Pair.PairOperator unmapOp(de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator op) {
switch(op) {
case EQUALS:
return de.dhbwstuttgart.typeinference.Pair.PairOperator.Equal;
case SMALLER:
return de.dhbwstuttgart.typeinference.Pair.PairOperator.Smaller;
case SMALLERDOT:
return de.dhbwstuttgart.typeinference.Pair.PairOperator.SmallerExtends;
return de.dhbwstuttgart.typeinference.Pair.PairOperator.Smaller;
case SMALLERDOTWC:
return de.dhbwstuttgart.typeinference.Pair.PairOperator.SmallerExtends;
default:
return de.dhbwstuttgart.typeinference.Pair.PairOperator.Equal;
}

2
src/de/dhbwstuttgart/typeinference/unifynew/MartelliMontanariUnify.java
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@ -33,7 +33,7 @@ public class MartelliMontanariUnify implements IUnify {
Type prev = iter.next();
while(iter.hasNext()) {
Type next = iter.next();
termsQ.add(new MPair(prev, next, PairOperator.EQUALS));
termsQ.add(new MPair(prev, next, PairOperator.EQUALSDOT));
prev = next;
}

11
src/de/dhbwstuttgart/typeinference/unifynew/RuleSet.java
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@ -542,12 +542,12 @@ public class RuleSet implements IRuleSet{
typeMap.put(t2, typeMap.get(t2)+1);
}
ArrayList<MPair> result = new ArrayList<MPair>(pairs);
Queue<MPair> result1 = new LinkedList<MPair>(pairs);
ArrayList<MPair> result = new ArrayList<MPair>();
boolean applied = false;
for(int i = 0; i < result.size(); i++) {
MPair pair = result.get(i);
while(!result1.isEmpty()) {
MPair pair = result1.poll();
PlaceholderType lhsType = null;
Type rhsType;
@ -560,8 +560,11 @@ public class RuleSet implements IRuleSet{
&& !rhsType.getTypeParams().occurs(lhsType)) {
Unifier uni = new Unifier(lhsType, rhsType);
result = result.stream().map(uni::apply).collect(Collectors.toCollection(ArrayList::new));
result1 = result1.stream().map(uni::apply).collect(Collectors.toCollection(LinkedList::new));
applied = true;
}
result.add(pair);
}
return applied ? Optional.of(new HashSet<>(result)) : Optional.empty();

30
src/de/dhbwstuttgart/typeinference/unifynew/Unify.java
View File

@ -12,9 +12,6 @@ import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import de.dhbwstuttgart.typeinference.Menge;
import de.dhbwstuttgart.typeinference.Pair;
import de.dhbwstuttgart.typeinference.exceptions.NotImplementedException;
import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
import de.dhbwstuttgart.typeinference.unify.interfaces.IRuleSet;
import de.dhbwstuttgart.typeinference.unify.interfaces.ISetOperations;
@ -68,7 +65,7 @@ public class Unify {
}
// Add the set of [a =. Theta | (a=. Theta) in Eq2']
Set<MPair> bufferSet = eq2s.stream()
Set<MPair> bufferSet = eq2s.stream()
.filter(x -> x.getPairOp() == PairOperator.EQUALSDOT && x.getLhsType() instanceof PlaceholderType)
.collect(Collectors.toSet());
@ -133,17 +130,31 @@ public class Unify {
* b) Build the union over everything
*/
for(Set<MPair> eqss : changed) {
for(Set<MPair> eqss : changed)
eqPrimePrimeSet.addAll(this.unify(eqss, fc));
}
/*
* Step 7: Filter empty sets;
*/
return eqPrimePrimeSet.stream().filter(x -> !x.isEmpty()).collect(Collectors.toCollection(HashSet::new));
return eqPrimePrimeSet.stream().filter(x -> isSolvedForm(x)).collect(Collectors.toCollection(HashSet::new));
}
protected boolean isSolvedForm(Set<MPair> eqPrimePrime) {
for(MPair pair : eqPrimePrime) {
Type lhsType = pair.getLhsType();
Type rhsType = pair.getRhsType();
if(!(lhsType instanceof PlaceholderType))
return false;
if(pair.getPairOp() != PairOperator.EQUALSDOT && !(rhsType instanceof PlaceholderType))
return false;
}
return true;
}
protected Set<MPair> applyTypeUnificationRules(Set<MPair> eq, IFiniteClosure fc) {
/*
@ -288,7 +299,8 @@ public class Unify {
result.get(7).add(unifyCase8(lhsType, (PlaceholderType) rhsType, fc));
}
return result.stream().filter(x -> x.size() > 0).collect(Collectors.toCollection(HashSet::new));
return result.stream().map(x -> x.stream().filter(y -> y.size() > 0).collect(Collectors.toCollection(HashSet::new)))
.filter(x -> x.size() > 0).collect(Collectors.toCollection(HashSet::new));
}
protected Set<MPair> unifyCase1(PlaceholderType a, Type thetaPrime, IFiniteClosure fc) {

585
test/unify/UnifyOldTest.java
View File

@ -7,7 +7,9 @@ import org.junit.Test;
import de.dhbwstuttgart.syntaxtree.factory.UnifyPairMengenBuilder;
import de.dhbwstuttgart.syntaxtree.factory.UnifyTypeFactory;
import de.dhbwstuttgart.syntaxtree.factory.Unify_FC_TTO_Builder;
import de.dhbwstuttgart.syntaxtree.type.ExtendsWildcardType;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.typeinference.Menge;
import de.dhbwstuttgart.typeinference.Pair;
@ -17,287 +19,322 @@ import de.dhbwstuttgart.typeinference.unify.Unify;
public class UnifyOldTest {
@Test
public void unifyTestSimpleTypes() {
public void unifyTest1() {
// Init Factories and Builders
UnifyTypeFactory typeFactory = new UnifyTypeFactory();
Unify_FC_TTO_Builder fcBuilder = new Unify_FC_TTO_Builder();
UnifyPairMengenBuilder assumptionBuilder = new UnifyPairMengenBuilder();
UnifyPairMengenBuilder resultBuilder = new UnifyPairMengenBuilder();
/*
* Test a <. Boolean
*/
// Init Types
RefType boolT = typeFactory.GetSimpleType("java.lang.Boolean");
TypePlaceholder aTph = typeFactory.GetTypePlaceholder("a");
// Expected Result
resultBuilder.clear();
resultBuilder.addPair(aTph, boolT, PairOperator.Equal);
resultBuilder.addPair(aTph, typeFactory.GetExtendsType(boolT),
PairOperator.Equal);
Menge<Menge<Pair>> expectedResult = resultBuilder.getNestedPairMenge();
// Actual Result
assumptionBuilder.clear();
assumptionBuilder.addPair(aTph, boolT);
Menge<Menge<Pair>> actualResult = Unify.unify(
assumptionBuilder.getPairMenge(), fcBuilder.Get_FC_TTO());
// System.out.println(expectedResult);
// System.out.println(actualResult);
Assert.assertTrue(mengeEquals(expectedResult, actualResult));
/*
* Test b <. a, a <. Boolean
*/
// Init Types
boolT = typeFactory.GetSimpleType("java.lang.Boolean");
aTph = typeFactory.GetTypePlaceholder("a");
TypePlaceholder bTph = typeFactory.GetTypePlaceholder("b");
// Expected Result
resultBuilder.clear();
resultBuilder.addPair(aTph, boolT, PairOperator.Equal);
resultBuilder.addPair(aTph, typeFactory.GetExtendsType(boolT),
PairOperator.Equal);
resultBuilder.addPair(bTph, boolT, PairOperator.Equal);
resultBuilder.addPair(bTph, typeFactory.GetExtendsType(boolT),
PairOperator.Equal);
expectedResult = resultBuilder.getNestedPairMenge();
// Actual Result
assumptionBuilder.clear();
assumptionBuilder.addPair(bTph, aTph);
assumptionBuilder.addPair(aTph, boolT);
actualResult = Unify.unify(assumptionBuilder.getPairMenge(),
fcBuilder.Get_FC_TTO());
// System.out.println(expectedResult);
// System.out.println(actualResult);
// NOTE: Elemente im actualResult sind nicht unique
// Assert.assertTrue(mengeEquals(expectedResult, actualResult));
/*
* Test b <. a, a <. b
*/
aTph = typeFactory.GetTypePlaceholder("a");
bTph = typeFactory.GetTypePlaceholder("b");
// Expected Result
resultBuilder.clear();
resultBuilder.addPair(bTph, aTph);
resultBuilder.addPair(aTph, bTph);
Menge<Pair> buffer = resultBuilder.getPairMenge();
expectedResult = new Menge<Menge<Pair>>();
expectedResult.add(buffer);
// Actual Result
assumptionBuilder.clear();
assumptionBuilder.addPair(bTph, aTph);
assumptionBuilder.addPair(aTph, bTph);
actualResult = Unify.unify(assumptionBuilder.getPairMenge(),
fcBuilder.Get_FC_TTO());
// System.out.println(expectedResult);
// System.out.println(actualResult);
Assert.assertTrue(mengeEquals(expectedResult, actualResult));
/*
* Test Integer <. a, a <. Boolean
*/
RefType intT = typeFactory.GetSimpleType("java.lang.Integer");
boolT = typeFactory.GetSimpleType("java.lang.Boolean");
aTph = typeFactory.GetTypePlaceholder("a");
bTph = typeFactory.GetTypePlaceholder("b");
// Expected Result
resultBuilder.clear();
expectedResult = resultBuilder.getNestedPairMenge();
// Actual Result
assumptionBuilder.clear();
assumptionBuilder.addPair(intT, aTph);
assumptionBuilder.addPair(aTph, boolT);
actualResult = Unify.unify(assumptionBuilder.getPairMenge(),
fcBuilder.Get_FC_TTO());
// System.out.println(expectedResult);
// System.out.println(actualResult);
Assert.assertTrue(mengeEquals(expectedResult, actualResult));
TypePlaceholder a = typeFactory.GetTypePlaceholder("a");
ExtendsWildcardType extA = typeFactory.GetExtendsType(a);
TypePlaceholder b = typeFactory.GetTypePlaceholder("b");
ExtendsWildcardType extB = typeFactory.GetExtendsType(b);
RefType integer = typeFactory.GetSimpleType("Integer");
SuperWildcardType supInt = typeFactory.GetSuperType(integer);
RefType listsupint = typeFactory.GetSimpleType("List", supInt);
RefType number = typeFactory.GetSimpleType("Number");
RefType object = typeFactory.GetSimpleType("XObjectX");
ExtendsWildcardType extNum = typeFactory.GetExtendsType(number);
RefType intlist = typeFactory.GetSimpleType("List", integer);
RefType alist = typeFactory.GetSimpleType("List", a);
RefType extBlist = typeFactory.GetSimpleType("List", extB);
RefType blist = typeFactory.GetSimpleType("List", b);
RefType extNumlist = typeFactory.GetSimpleType("List", extNum);
fcBuilder.AddInheritance(number, object);
fcBuilder.AddInheritance(integer, number);
assumptionBuilder.addPair(alist, extBlist, PairOperator.Smaller);
assumptionBuilder.addPair(blist, extNumlist, PairOperator.Smaller);
System.out.println(Unify.unify(assumptionBuilder.getPairMenge(),
fcBuilder.Get_FC_TTO()));
}
@Test
public void unifyTestGenerics() {
// Init Factories and Builders
UnifyTypeFactory typeFactory = new UnifyTypeFactory();
Unify_FC_TTO_Builder fcBuilder = new Unify_FC_TTO_Builder();
UnifyPairMengenBuilder assumptionBuilder = new UnifyPairMengenBuilder();
UnifyPairMengenBuilder resultBuilder = new UnifyPairMengenBuilder();
/*
* Test a <. MyClass<T, F>
*/
TypePlaceholder aTph = typeFactory.GetTypePlaceholder("a");
RefType myType = typeFactory.GetSimpleType("MyClass",
typeFactory.GetTypePlaceholder("T"),
typeFactory.GetTypePlaceholder("F"));
// Expected Result
resultBuilder.clear();
resultBuilder.addPair(aTph, myType, PairOperator.Equal);
resultBuilder.addPair(aTph, typeFactory.GetExtendsType(myType));
Menge<Menge<Pair>> expectedResult = resultBuilder.getNestedPairMenge();
// Actual Result
assumptionBuilder.clear();
assumptionBuilder.addPair(aTph, myType);
Menge<Menge<Pair>> actualResult = Unify.unify(
assumptionBuilder.getPairMenge(), fcBuilder.Get_FC_TTO());
// System.out.println(expectedResult);
// System.out.println(actualResult);
Assert.assertTrue(mengeEquals(expectedResult, actualResult));
/*
* Test List<List<T>> <. List<T>
*/
TypePlaceholder tTph = typeFactory.GetTypePlaceholder("T");
RefType list = typeFactory.GetSimpleType("List", tTph);
RefType listlist = typeFactory.GetSimpleType("List", list);
// Expected Result
resultBuilder.clear();
resultBuilder.addPair(typeFactory.GetExtendsType(list), tTph,
PairOperator.Equal);
expectedResult = resultBuilder.getNestedPairMenge();
// Actual Result
assumptionBuilder.clear();
assumptionBuilder.addPair(listlist, list);
actualResult = Unify.unify(assumptionBuilder.getPairMenge(),
fcBuilder.Get_FC_TTO());
System.out.println(expectedResult);
System.out.println(actualResult);
Assert.assertTrue(mengeEquals(expectedResult, actualResult));
/*
* Test List<T> <. List<List<T>>
*/
}
@Test
public void unifyTestInheritance() {
// Init Factories and Builders
UnifyTypeFactory typeFactory = new UnifyTypeFactory();
Unify_FC_TTO_Builder fcBuilder = new Unify_FC_TTO_Builder();
UnifyPairMengenBuilder assumptionBuilder = new UnifyPairMengenBuilder();
UnifyPairMengenBuilder resultBuilder = new UnifyPairMengenBuilder();
// Init Types
RefType tBool = typeFactory.GetSimpleType("java.lang.Boolean");
RefType tString = typeFactory.GetSimpleType("java.lang.String");
RefType tInt = typeFactory.GetSimpleType("java.lang.Integer");
TypePlaceholder tphA = typeFactory.GetTypePlaceholder("a");
// Build inheritance hierachy
// Bool <. String <. Int
fcBuilder.AddInheritance(tBool, tString);
fcBuilder.AddInheritance(tString, tInt);
// Build Assumptions
assumptionBuilder.addPair(tphA, tString);
// Build expected result
resultBuilder.addPair(tphA, tBool, PairOperator.Equal);
resultBuilder.addPair(tphA, typeFactory.GetExtendsType(tBool),
PairOperator.Equal);
resultBuilder.addPair(tphA, tString, PairOperator.Equal);
resultBuilder.addPair(tphA, typeFactory.GetExtendsType(tString),
PairOperator.Equal);
// Assert
Menge<Menge<Pair>> actualResult = Unify.unify(
assumptionBuilder.getPairMenge(), fcBuilder.Get_FC_TTO());
// System.out.println(actualResult);
// System.out.println("-------------------");
// System.out.println(resultBuilder.getNestedPairMenge());
Assert.assertTrue(mengeEquals(resultBuilder.getNestedPairMenge(),
actualResult));
}
@Test
public void unifyTestWildcards() {
}
private static boolean mengeEquals(Menge<Menge<Pair>> m1,
Menge<Menge<Pair>> m2) {
if (m1.size() != m2.size())
return false;
return containsAll(m1, m2) && containsAll(m2, m1);
}
private static boolean containsAll(Menge<Menge<Pair>> m1,
Menge<Menge<Pair>> m2) {
for (Menge<Pair> elem : m2)
if (!contains(m1, elem))
return false;
return true;
}
private static boolean contains(Menge<Menge<Pair>> m1, Menge<Pair> m2) {
for (Menge<Pair> elem : m1)
if (mengePairEquals(elem, m2))
return true;
return false;
}
private static boolean mengePairEquals(Menge<Pair> m1, Menge<Pair> m2) {
if (m1.size() != m2.size())
return false;
return containsAllPair(m1, m2) && containsAllPair(m2, m1);
}
private static boolean containsAllPair(Menge<Pair> m1, Menge<Pair> m2) {
for (Pair elem : m1)
if (contains(m2, elem))
return true;
return false;
}
private static boolean contains(Menge<Pair> m, Pair p) {
for (Pair elem : m)
if (pairEquals(elem, p))
return true;
return false;
}
private static boolean pairEquals(Pair p1, Pair p2) {
return (p1.TA1.equals(p2.TA1) && p1.TA2.equals(p2.TA2))
|| (p1.TA1.equals(p2.TA2) && p1.TA2.equals(p2.TA1));
}
//
// @Test
// public void unifyTestSimpleTypes() {
// // Init Factories and Builders
// UnifyTypeFactory typeFactory = new UnifyTypeFactory();
// Unify_FC_TTO_Builder fcBuilder = new Unify_FC_TTO_Builder();
// UnifyPairMengenBuilder assumptionBuilder = new UnifyPairMengenBuilder();
// UnifyPairMengenBuilder resultBuilder = new UnifyPairMengenBuilder();
//
// /*
// * Test a <. Boolean
// */
//
// // Init Types
// RefType boolT = typeFactory.GetSimpleType("java.lang.Boolean");
// TypePlaceholder aTph = typeFactory.GetTypePlaceholder("a");
//
// // Expected Result
// resultBuilder.clear();
// resultBuilder.addPair(aTph, boolT, PairOperator.Equal);
// resultBuilder.addPair(aTph, typeFactory.GetExtendsType(boolT),
// PairOperator.Equal);
// Menge<Menge<Pair>> expectedResult = resultBuilder.getNestedPairMenge();
//
// // Actual Result
// assumptionBuilder.clear();
// assumptionBuilder.addPair(aTph, boolT);
// Menge<Menge<Pair>> actualResult = Unify.unify(
// assumptionBuilder.getPairMenge(), fcBuilder.Get_FC_TTO());
//
// // System.out.println(expectedResult);
// // System.out.println(actualResult);
//
// Assert.assertTrue(mengeEquals(expectedResult, actualResult));
//
// /*
// * Test b <. a, a <. Boolean
// */
//
// // Init Types
// boolT = typeFactory.GetSimpleType("java.lang.Boolean");
// aTph = typeFactory.GetTypePlaceholder("a");
// TypePlaceholder bTph = typeFactory.GetTypePlaceholder("b");
//
// // Expected Result
// resultBuilder.clear();
// resultBuilder.addPair(aTph, boolT, PairOperator.Equal);
// resultBuilder.addPair(aTph, typeFactory.GetExtendsType(boolT),
// PairOperator.Equal);
// resultBuilder.addPair(bTph, boolT, PairOperator.Equal);
// resultBuilder.addPair(bTph, typeFactory.GetExtendsType(boolT),
// PairOperator.Equal);
// expectedResult = resultBuilder.getNestedPairMenge();
//
// // Actual Result
// assumptionBuilder.clear();
// assumptionBuilder.addPair(bTph, aTph);
// assumptionBuilder.addPair(aTph, boolT);
// actualResult = Unify.unify(assumptionBuilder.getPairMenge(),
// fcBuilder.Get_FC_TTO());
//
// // System.out.println(expectedResult);
// // System.out.println(actualResult);
//
// // NOTE: Elemente im actualResult sind nicht unique
// // Assert.assertTrue(mengeEquals(expectedResult, actualResult));
//
// /*
// * Test b <. a, a <. b
// */
//
// aTph = typeFactory.GetTypePlaceholder("a");
// bTph = typeFactory.GetTypePlaceholder("b");
//
// // Expected Result
// resultBuilder.clear();
// resultBuilder.addPair(bTph, aTph);
// resultBuilder.addPair(aTph, bTph);
//
// Menge<Pair> buffer = resultBuilder.getPairMenge();
// expectedResult = new Menge<Menge<Pair>>();
// expectedResult.add(buffer);
//
// // Actual Result
// assumptionBuilder.clear();
// assumptionBuilder.addPair(bTph, aTph);
// assumptionBuilder.addPair(aTph, bTph);
// actualResult = Unify.unify(assumptionBuilder.getPairMenge(),
// fcBuilder.Get_FC_TTO());
//
// // System.out.println(expectedResult);
// // System.out.println(actualResult);
//
// Assert.assertTrue(mengeEquals(expectedResult, actualResult));
//
// /*
// * Test Integer <. a, a <. Boolean
// */
//
// RefType intT = typeFactory.GetSimpleType("java.lang.Integer");
// boolT = typeFactory.GetSimpleType("java.lang.Boolean");
// aTph = typeFactory.GetTypePlaceholder("a");
// bTph = typeFactory.GetTypePlaceholder("b");
//
// // Expected Result
// resultBuilder.clear();
// expectedResult = resultBuilder.getNestedPairMenge();
//
// // Actual Result
// assumptionBuilder.clear();
// assumptionBuilder.addPair(intT, aTph);
// assumptionBuilder.addPair(aTph, boolT);
// actualResult = Unify.unify(assumptionBuilder.getPairMenge(),
// fcBuilder.Get_FC_TTO());
//
// // System.out.println(expectedResult);
// // System.out.println(actualResult);
//
// Assert.assertTrue(mengeEquals(expectedResult, actualResult));
//
// }
//
// @Test
// public void unifyTestGenerics() {
//
// // Init Factories and Builders
// UnifyTypeFactory typeFactory = new UnifyTypeFactory();
// Unify_FC_TTO_Builder fcBuilder = new Unify_FC_TTO_Builder();
// UnifyPairMengenBuilder assumptionBuilder = new UnifyPairMengenBuilder();
// UnifyPairMengenBuilder resultBuilder = new UnifyPairMengenBuilder();
//
// /*
// * Test a <. MyClass<T, F>
// */
//
// TypePlaceholder aTph = typeFactory.GetTypePlaceholder("a");
// RefType myType = typeFactory.GetSimpleType("MyClass",
// typeFactory.GetTypePlaceholder("T"),
// typeFactory.GetTypePlaceholder("F"));
//
// // Expected Result
// resultBuilder.clear();
// resultBuilder.addPair(aTph, myType, PairOperator.Equal);
// resultBuilder.addPair(aTph, typeFactory.GetExtendsType(myType));
// Menge<Menge<Pair>> expectedResult = resultBuilder.getNestedPairMenge();
//
// // Actual Result
// assumptionBuilder.clear();
// assumptionBuilder.addPair(aTph, myType);
// Menge<Menge<Pair>> actualResult = Unify.unify(
// assumptionBuilder.getPairMenge(), fcBuilder.Get_FC_TTO());
//
// // System.out.println(expectedResult);
// // System.out.println(actualResult);
//
// Assert.assertTrue(mengeEquals(expectedResult, actualResult));
//
// /*
// * Test List<List<T>> <. List<T>
// */
//
// TypePlaceholder tTph = typeFactory.GetTypePlaceholder("T");
// RefType list = typeFactory.GetSimpleType("List", tTph);
// RefType listlist = typeFactory.GetSimpleType("List", list);
//
// // Expected Result
// resultBuilder.clear();
// resultBuilder.addPair(typeFactory.GetExtendsType(list), tTph,
// PairOperator.Equal);
// expectedResult = resultBuilder.getNestedPairMenge();
//
// // Actual Result
// assumptionBuilder.clear();
// assumptionBuilder.addPair(listlist, list);
// actualResult = Unify.unify(assumptionBuilder.getPairMenge(),
// fcBuilder.Get_FC_TTO());
//
// System.out.println(expectedResult);
// System.out.println(actualResult);
//
// Assert.assertTrue(mengeEquals(expectedResult, actualResult));
//
// /*
// * Test List<T> <. List<List<T>>
// */
// }
//
// @Test
// public void unifyTestInheritance() {
//
// // Init Factories and Builders
// UnifyTypeFactory typeFactory = new UnifyTypeFactory();
// Unify_FC_TTO_Builder fcBuilder = new Unify_FC_TTO_Builder();
// UnifyPairMengenBuilder assumptionBuilder = new UnifyPairMengenBuilder();
// UnifyPairMengenBuilder resultBuilder = new UnifyPairMengenBuilder();
//
// // Init Types
// RefType tBool = typeFactory.GetSimpleType("java.lang.Boolean");
// RefType tString = typeFactory.GetSimpleType("java.lang.String");
// RefType tInt = typeFactory.GetSimpleType("java.lang.Integer");
// TypePlaceholder tphA = typeFactory.GetTypePlaceholder("a");
//
// // Build inheritance hierachy
// // Bool <. String <. Int
// fcBuilder.AddInheritance(tBool, tString);
// fcBuilder.AddInheritance(tString, tInt);
//
// // Build Assumptions
// assumptionBuilder.addPair(tphA, tString);
//
// // Build expected result
// resultBuilder.addPair(tphA, tBool, PairOperator.Equal);
// resultBuilder.addPair(tphA, typeFactory.GetExtendsType(tBool),
// PairOperator.Equal);
// resultBuilder.addPair(tphA, tString, PairOperator.Equal);
// resultBuilder.addPair(tphA, typeFactory.GetExtendsType(tString),
// PairOperator.Equal);
//
// // Assert
// Menge<Menge<Pair>> actualResult = Unify.unify(
// assumptionBuilder.getPairMenge(), fcBuilder.Get_FC_TTO());
//
// // System.out.println(actualResult);
// // System.out.println("-------------------");
// // System.out.println(resultBuilder.getNestedPairMenge());
//
// Assert.assertTrue(mengeEquals(resultBuilder.getNestedPairMenge(),
// actualResult));
// }
//
// @Test
// public void unifyTestWildcards() {
//
// }
//
// private static boolean mengeEquals(Menge<Menge<Pair>> m1,
// Menge<Menge<Pair>> m2) {
// if (m1.size() != m2.size())
// return false;
//
// return containsAll(m1, m2) && containsAll(m2, m1);
// }
//
// private static boolean containsAll(Menge<Menge<Pair>> m1,
// Menge<Menge<Pair>> m2) {
// for (Menge<Pair> elem : m2)
// if (!contains(m1, elem))
// return false;
// return true;
// }
//
// private static boolean contains(Menge<Menge<Pair>> m1, Menge<Pair> m2) {
// for (Menge<Pair> elem : m1)
// if (mengePairEquals(elem, m2))
// return true;
// return false;
// }
//
// private static boolean mengePairEquals(Menge<Pair> m1, Menge<Pair> m2) {
// if (m1.size() != m2.size())
// return false;
//
// return containsAllPair(m1, m2) && containsAllPair(m2, m1);
// }
//
// private static boolean containsAllPair(Menge<Pair> m1, Menge<Pair> m2) {
// for (Pair elem : m1)
// if (contains(m2, elem))
// return true;
// return false;
// }
//
// private static boolean contains(Menge<Pair> m, Pair p) {
// for (Pair elem : m)
// if (pairEquals(elem, p))
// return true;
// return false;
//
// }
//
// private static boolean pairEquals(Pair p1, Pair p2) {
// return (p1.TA1.equals(p2.TA1) && p1.TA2.equals(p2.TA2))
// || (p1.TA1.equals(p2.TA2) && p1.TA2.equals(p2.TA1));
// }
}

95
test/unify/UnifyTest.java
View File

@ -4,7 +4,6 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import java.util.TreeSet;
import java.util.stream.Collectors;
import org.junit.Test;
@ -242,6 +241,100 @@ public class UnifyTest extends Unify {
@Test
public void unifyTestSimple() {
/*
* INIT
*/
TypeFactory tf = new TypeFactory();
FiniteClosureBuilder fcb = new FiniteClosureBuilder();
Type number = tf.getSimpleType("Number");
Type object = tf.getSimpleType("Object");
Type integer = tf.getSimpleType("Integer");
Type doubl = tf.getSimpleType("Double");
fcb.add(number, object);
fcb.add(integer, number);
fcb.add(doubl, number);
IFiniteClosure fc = fcb.getCollectionExample();
/*
* Test 1:
*
* (Vector<a> <. Vector<? extends b>)
* (List<b> <. List<? extends Number>)
*/
Type tphA = tf.getPlaceholderType("a");
Type tphB = tf.getPlaceholderType("b");
Type extB = tf.getExtendsType(tphB);
Type extNum = tf.getExtendsType(number);
Set<MPair> eq = new HashSet<MPair>();
eq.add(new MPair(tf.getSimpleType("Vector", tphA), tf.getSimpleType("Vector", extB), PairOperator.SMALLERDOT));
eq.add(new MPair(tf.getSimpleType("List", tphB), tf.getSimpleType("List", extNum), PairOperator.SMALLERDOT));
Set<Set<MPair>> expected = new HashSet<>();
Set<Set<MPair>> actual = unify(eq, fc);
System.out.println(actual);
//Assert.assertEquals(actual, expected);
/*
* Test 2:
*
* Vector<? extends a> <. List<? extends Number>
*
*/
Type extA = tf.getExtendsType(tphA);
eq = new HashSet<MPair>();
eq.add(new MPair(tf.getSimpleType("Vector", extA), tf.getSimpleType("Vector", extNum), PairOperator.SMALLERDOT));
expected = new HashSet<>();
actual = unify(eq, fc);
System.out.println(actual);
//Assert.assertEquals(actual, expected);
/*
* Test 3:
*
* Vector<? extends Number> <. List<? extends a>
*
*/
eq = new HashSet<MPair>();
eq.add(new MPair(tf.getSimpleType("Vector", extNum), tf.getSimpleType("Vector", extA), PairOperator.SMALLERDOT));
expected = new HashSet<>();
actual = unify(eq, fc);
System.out.println(actual);
//Assert.assertEquals(actual, expected);
/*
* Test 4:
*
* LinkedList <. Deque <. Queue <. Collection
*
* Vector<Number> <. List<a>
* List<a> <. AbstractList<b>
* ? extends Number <.? b
*/
eq = new HashSet<MPair>();
eq.add(new MPair(tf.getSimpleType("LinkedList", number), tf.getSimpleType("Deque", tphA), PairOperator.SMALLERDOT));
eq.add(new MPair(tf.getSimpleType("Deque", tphA), tf.getSimpleType("Queue", tphB), PairOperator.SMALLERDOT));
eq.add(new MPair(extNum, tphB, PairOperator.SMALLERDOTWC));
expected = new HashSet<>();
actual = unify(eq, fc);
System.out.println(actual);
//Assert.assertEquals(actual, expected);
}