smaller and test cases
This commit is contained in:
Florian Steurer
parent
bbfd8699e8
commit
5e18496847
@ -19,10 +19,6 @@ public class FiniteClosure implements IFiniteClosure {
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private HashMap<Type, Node<Type>> inheritanceGraph;
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private HashMap<String, HashSet<Node<Type>>> strInheritanceGraph;
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public FiniteClosure() {
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}
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public FiniteClosure(Set<MPair> pairs) {
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inheritanceGraph = new HashMap<Type, Node<Type>>();
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@ -76,17 +72,28 @@ public class FiniteClosure implements IFiniteClosure {
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// where foreach type var a in T2:
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// sigma1(T1) <=* sigma2(T2)
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//If a type of the same name is in the fc AND the type "type" is parameterized (some substitution sigma1 was applied)
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if(strInheritanceGraph.containsKey(type.getName())) {
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IUnify unify = new MartelliMontanariUnify();
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HashSet<Node<Type>> candidateNodes = strInheritanceGraph.get(type.getName());
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for(Node<Type> candidateNode : candidateNodes) {
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Type theta2 = candidateNode.getContent();
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HashSet<Type> candidates = new HashSet<>();
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if (strInheritanceGraph.containsKey(type.getName()))
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strInheritanceGraph.get(type.getName()).forEach(x -> candidates.add(x.getContent()));
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else
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candidates.add(type);
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for (Type theta2 : candidates) {
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Optional<Unifier> sigma2 = unify.unify(theta2, type);
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if (!sigma2.isPresent())
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continue;
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Set<Type> theta1s = inheritanceGraph.containsKey(type) ? inheritanceGraph.get(type).getContentOfDescendants() : smaller(theta2);
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Set<Type> theta1s = new HashSet<>();
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if(inheritanceGraph.containsKey(type))
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theta1s = inheritanceGraph.get(type).getContentOfDescendants();
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else if(theta2.equals(type))
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theta1s.add(type);
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else
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theta1s = smaller(theta2);
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for (Type theta1 : theta1s) {
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// Because only the most general type is calculated, sigma1 = sigma2
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// Because only the most general type is calculated, sigma1 =
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// sigma2
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Type sigma1Theta1 = sigma2.get().apply(theta1);
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ArrayList<Set<Type>> paramCandidates = new ArrayList<>();
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@ -100,7 +107,6 @@ public class FiniteClosure implements IFiniteClosure {
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result.add(sigma1Theta1.setTypeParams(newParams));
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}
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}
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}
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return result;
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}
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@ -1,49 +1,218 @@
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package unify;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.stream.Collectors;
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import org.junit.Assert;
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import org.junit.Test;
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import de.dhbwstuttgart.typeinference.unify.interfaces.IFiniteClosure;
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import de.dhbwstuttgart.typeinference.unify.model.MPair;
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import de.dhbwstuttgart.typeinference.unify.model.MPair.PairOperator;
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import de.dhbwstuttgart.typeinference.unify.model.FiniteClosure;
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import de.dhbwstuttgart.typeinference.unify.model.Type;
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import de.dhbwstuttgart.typeinference.unifynew.TypeFactory;
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public class FiniteClosureTest extends FiniteClosure {
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public class FiniteClosureTest {
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@Test
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public void testMatch() {
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public void testSmaller() {
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TypeFactory tf = new TypeFactory();
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Type a = tf.getPlaceholderType("a");
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Type b = tf.getPlaceholderType("b");
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Type c = tf.getPlaceholderType("c");
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Type integer = tf.getSimpleType("Integer");
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Type number = tf.getSimpleType("Number");
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Type A = tf.getSimpleType("A");
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Type B = tf.getSimpleType("B");
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Type C1 = tf.getSimpleType("C", a, b, c);
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Type C2 = tf.getSimpleType("C", a, A, b);
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Type C3 = tf.getSimpleType("C", A, B, A);
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Type D1 = tf.getSimpleType("D", C1, a, b, c);
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Type D2 = tf.getSimpleType("D", C3, A, B, A);
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FiniteClosureBuilder fcb = new FiniteClosureBuilder();
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fcb.add(integer, number);
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fcb.add(tf.getSimpleType("MyMap", "T"), tf.getSimpleType("HashMap", tf.getSimpleType("Integer")));
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fcb.add(tf.getSimpleType("HashMap", "T"), tf.getSimpleType("Collection"));
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IFiniteClosure fc = fcb.getCollectionExample();
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System.out.println(match(C2, C1));
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System.out.println(match(C3, C1));
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System.out.println(match(D2, D1));
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Assert.assertFalse(match(C3, C2).isPresent());
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Assert.assertFalse(match(C1, C2).isPresent());
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/*
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* Test Case 1:
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*
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* smaller(Set<Integer>) = { HashSet<Integer>, Set<Integer, TreeSet<Integer>, LinkedHashSet<Integer> }
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*/
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Type setInt = tf.getSimpleType("Set", integer);
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Type hashSetInt = tf.getSimpleType("HashSet", integer);
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Type treeSetInt = tf.getSimpleType("TreeSet", integer);
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Type linkedHashSetInt = tf.getSimpleType("LinkedHashSet", integer);
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Set<Type> expectedResult = new HashSet<>(Arrays.stream(new Type[] {
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setInt, hashSetInt, linkedHashSetInt, treeSetInt,
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}).collect(Collectors.toSet()));
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Assert.assertEquals(expectedResult, fc.smaller(setInt));
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/*
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* Test Case 2:
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*
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* smaller(Set<? ext Integer>) =
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* { HashSet<Integer>, Set<Integer>, TreeSet<Integer>, LinkedHashSet<Integer>,
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* HashSet<? ext Integer>, Set<? ext Integer>, TreeSet<? ext Integer>, LinkedHashSet<? ext Integer> }
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*/
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Type extInt = tf.getExtendsType(integer);
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Type hashSetExtInt = tf.getSimpleType("HashSet", extInt);
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Type treeSetExtInt = tf.getSimpleType("TreeSet", extInt);
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Type linkedHashSetExtInt = tf.getSimpleType("LinkedHashSet", extInt);
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Type setExtInt = tf.getSimpleType("Set", extInt);
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expectedResult = new HashSet<>(Arrays.stream(new Type[] {
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setInt, hashSetInt, linkedHashSetInt, treeSetInt,
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hashSetExtInt, treeSetExtInt, linkedHashSetExtInt, setExtInt,
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}).collect(Collectors.toSet()));
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Assert.assertEquals(expectedResult, fc.smaller(setExtInt));
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/*
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* Test Case 3:
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*
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* smaller(Set<? ext Number>) =
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* { HashSet<Integer>, Set<Integer>, TreeSet<Integer>, LinkedHashSet<Integer>,
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* HashSet<Number>, Set<Number>, TreeSet<Number>, LinkedHashSet<Number>,
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* HashSet<? ext Integer>, Set<? ext Integer>, TreeSet<? ext Integer>, LinkedHashSet<? ext Integer>
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* HashSet<? ext Number, Set<? ext Number, TreeSet<? ext Number, LinkedHashSet<? ext Number> }
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*/
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Type hashSetNum = tf.getSimpleType("HashSet", number);
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Type treeSetNum = tf.getSimpleType("TreeSet", number);
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Type linkedHashSetNum = tf.getSimpleType("LinkedHashSet", number);
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Type setNum = tf.getSimpleType("Set", number);
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Type extNum = tf.getExtendsType(number);
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Type hashSetExtNum = tf.getSimpleType("HashSet", extNum);
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Type treeSetExtNum = tf.getSimpleType("TreeSet", extNum);
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Type linkedHashSetExtNum = tf.getSimpleType("LinkedHashSet", extNum);
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Type setExtNum = tf.getSimpleType("Set", extNum);
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expectedResult = new HashSet<>(Arrays.stream(new Type[] {
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setInt, hashSetInt, linkedHashSetInt, treeSetInt,
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setNum, hashSetNum, linkedHashSetNum, treeSetNum,
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setExtInt, hashSetExtInt, linkedHashSetExtInt, treeSetExtInt,
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setExtNum, hashSetExtNum, linkedHashSetExtNum, treeSetExtNum
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}).collect(Collectors.toSet()));
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Assert.assertEquals(expectedResult, fc.smaller(setExtNum));
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/*
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* Test Case 4:
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* TODO ist das ergebnis korrekt oder müssen die ? ext Ts raus weil der allgemeienste Typ T ausreicht?
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* smaller(Set<T>) =
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* { HashSet<T>, Set<T>, TreeSet<T>, LinkedHashSet<T>,
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* HashSet<? ext T>, Set<? ext T>, TreeSet<? ext T>, LinkedHashSet<? ext T> }
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*/
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Type t = tf.getPlaceholderType("T");
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Type setT = tf.getSimpleType("Set", t);
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Type hashSetT = tf.getSimpleType("HashSet", t);
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Type treeSetT = tf.getSimpleType("TreeSet", t);
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Type linkedHashSetT = tf.getSimpleType("LinkedHashSet", t);
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Type hashSetExtT = tf.getSimpleType("HashSet", t);
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Type treeSetExtT = tf.getSimpleType("TreeSet", t);
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Type linkedHashSetExtT = tf.getSimpleType("LinkedHashSet", t);
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Type setExtT = tf.getSimpleType("Set", t);
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expectedResult = new HashSet<>(Arrays.stream(new Type[] {
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setT, hashSetT, treeSetT, linkedHashSetT,
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setExtT, hashSetExtT, treeSetExtT, linkedHashSetExtT
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}).collect(Collectors.toSet()));
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Assert.assertEquals(expectedResult, fc.smaller(setT));
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/*
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* Test Case 5
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*
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* smaller(Set<? super Integer> =
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* { Set<Integer>, HashSet<Integer>, TreeSet<Integer>, LinkedHashSet<Integer>,
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* Set<? super Integer>, HashSet<? super Integer>, TreeSet<? super Integer>, LinkedHashSet<? super Integer>,
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* Set<? super Number>, HashSet<? super Number>, TreeSet<? super Number>, LinkedHashSet<? super Number> }
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*/
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Type superNum = tf.getSuperType(number);
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Type superInt = tf.getSuperType(integer);
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Type setSupInt = tf.getSimpleType("Set", superInt);
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Type hashSetSupInt = tf.getSimpleType("HashSet", superInt);
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Type linkedHashSetSupInt = tf.getSimpleType("LinkedHashSet", superInt);
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Type treeSetSupInt = tf.getSimpleType("TreeSet", superInt);
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Type setSupNum = tf.getSimpleType("Set", superNum);
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Type hashSetSupNum = tf.getSimpleType("HashSet", superNum);
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Type linkedHashSetSupNum = tf.getSimpleType("LinkedHashSet", superNum);
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Type treeSetSupNum = tf.getSimpleType("TreeSet", superNum);
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expectedResult = new HashSet<>(Arrays.stream(new Type[] {
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setSupInt, hashSetSupInt, linkedHashSetSupInt, treeSetSupInt,
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setSupNum, hashSetSupNum, linkedHashSetSupNum, treeSetSupNum,
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setInt, hashSetInt, linkedHashSetInt, treeSetInt,
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setNum, hashSetNum, linkedHashSetNum, treeSetNum
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}).collect(Collectors.toSet()));
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Assert.assertEquals(expectedResult, fc.smaller(setSupInt));
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/*
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* Test Case 6:
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*
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* smaller(Set<? ext T) =
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* { HashSet<T>, Set<T>, TreeSet<T>, LinkedHashSet<T>,
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* HashSet<? ext T>, Set<? ext T>, TreeSet<? ext T>, LinkedHashSet<? ext T> }
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*
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*/
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expectedResult = new HashSet<>(Arrays.stream(new Type[] {
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setT, hashSetT, treeSetT, linkedHashSetT,
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setExtT, hashSetExtT, treeSetExtT, linkedHashSetExtT
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}).collect(Collectors.toSet()));
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Assert.assertEquals(expectedResult, fc.smaller(setExtT));
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/*
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* Test Case 7:
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* smaller(Set<NotInFc>) =
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* { HashSet<NotInFc>, Set<NotInFc>, TreeSet<NotInFc>, LinkedHashSet<NotInFc>,
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* HashSet<? ext NotInFc>, Set<? ext NotInFc>, TreeSet<? ext NotInFc>, LinkedHashSet<? ext NotInFc> }
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*/
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Type notInFc = tf.getSimpleType("notInFC");
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Type setNotInFc = tf.getSimpleType("Set", notInFc);
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Type hashSetNotInFc = tf.getSimpleType("HashSet", notInFc);
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Type treeSetNotInFc = tf.getSimpleType("TreeSet", notInFc);
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Type linkedHashSetNotInFc = tf.getSimpleType("LinkedHashSet", notInFc);
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Type hashSetExtNotInFc = tf.getSimpleType("HashSet", notInFc);
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Type treeSetExtNotInFc = tf.getSimpleType("TreeSet", notInFc);
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Type linkedHashSetExtNotInFc = tf.getSimpleType("LinkedHashSet", notInFc);
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Type setExtNotInFc = tf.getSimpleType("Set", notInFc);
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expectedResult = new HashSet<>(Arrays.stream(new Type[] {
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setNotInFc, hashSetNotInFc, treeSetNotInFc, linkedHashSetNotInFc,
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setExtNotInFc, hashSetExtNotInFc, treeSetExtNotInFc, linkedHashSetExtNotInFc
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}).collect(Collectors.toSet()));
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Assert.assertEquals(expectedResult, fc.smaller(setNotInFc));
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/*
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* Test Case 8:
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*
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*/
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}
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@Test
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public void testGreater() {
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IFiniteClosure fc = new FiniteClosureBuilder().getCollectionExample();
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TypeFactory tf = new TypeFactory();
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FiniteClosureBuilder fcb = new FiniteClosureBuilder();
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fcb.add(tf.getSimpleType("Integer"), tf.getSimpleType("Number"));
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fcb.add(tf.getSimpleType("MyMap", "T"), tf.getSimpleType("HashMap", tf.getSimpleType("Integer")));
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fcb.add(tf.getSimpleType("HashMap", "T"), tf.getSimpleType("Collection"));
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IFiniteClosure fc = fcb.getCollectionExample();
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System.out.println("\n\n----- Greater Test -----");
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System.out.println("Greater(LinkedList<T>) = " + fc.greater(tf.getSimpleType("LinkedList", "T")));
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System.out.println("Greater(TreeSet<T>) = " + fc.greater(tf.getSimpleType("TreeSet", "T")));
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System.out.println("Greater(Collection) = " + fc.greater(tf.getSimpleType("Collection")));
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System.out.println(fc.greater(tf.getSimpleType("Deque", tf.getSimpleType("Integer"))));
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System.out.println(fc.greater(tf.getSimpleType("Deque", tf.getSimpleType("Number"))));
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System.out.println(fc.greater(tf.getSimpleType("Deque", tf.getExtendsType(tf.getSimpleType("Integer")))));
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System.out.println(fc.greater(tf.getSimpleType("Deque", tf.getSuperType(tf.getSimpleType("Integer")))));
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}
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@Test
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@ -57,20 +226,6 @@ public class FiniteClosureTest extends FiniteClosure {
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System.out.println("GrArg(? super List<T>) = " + fc.grArg(tf.getSuperType(tf.getSimpleType("List", "T"))));
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}
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@Test
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public void testSmaller() {
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FiniteClosureBuilder fcb = new FiniteClosureBuilder();
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TypeFactory tf = new TypeFactory();
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fcb.add(tf.getSimpleType("Integer"), tf.getSimpleType("Number"));
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IFiniteClosure fc = fcb.getCollectionExample();
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System.out.println("\n\n----- Smaller Test -----");
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System.out.println("Smaller(List<? extends Number>) = " + fc.smaller(tf.getSimpleType("List", tf.getExtendsType(tf.getSimpleType("Number")))));
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System.out.println("Smaller(List<T>) = " + fc.smaller(tf.getSimpleType("List", "T")));
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System.out.println("Smaller(TreeSet<T>) = " + fc.smaller(tf.getSimpleType("TreeSet", "T")));
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System.out.println("Smaller(Collection) = " + fc.smaller(tf.getSimpleType("Collection")));
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}
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@Test
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public void testSmArg() {
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