Test generics

This commit is contained in:
Vic Nightfall 2023-01-04 15:46:25 +01:00
parent 9f27d0d0fa
commit f3e7fc0dc3
6 changed files with 461 additions and 123 deletions

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@ -31,6 +31,7 @@ import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.syntaxtree.type.TypeVisitor;
import de.dhbwstuttgart.syntaxtree.visual.ASTTypePrinter;
import de.dhbwstuttgart.target.generate.ASTToTargetAST;
import de.dhbwstuttgart.target.generate.GenericsResult;
import de.dhbwstuttgart.typeinference.constraints.Constraint;
import de.dhbwstuttgart.typeinference.constraints.ConstraintSet;
import de.dhbwstuttgart.typeinference.constraints.Pair;
@ -852,10 +853,10 @@ public class JavaTXCompiler {
generateBytecode(path, typeinferenceResult);
}
private Map<File, List<ASTToTargetAST.GenericsResult>> generatedGenerics = new HashMap<>();
private Map<File, List<GenericsResult>> generatedGenerics = new HashMap<>();
// TODO This is a temporary solution, we should integrate with the old API for getting Generics
public Map<File, List<ASTToTargetAST.GenericsResult>> getGeneratedGenerics() {
public Map<File, List<GenericsResult>> getGeneratedGenerics() {
return generatedGenerics;
}

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@ -1,6 +1,7 @@
package de.dhbwstuttgart.syntaxtree.type;
import java.util.Hashtable;
import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.syntaxtree.ASTVisitor;
import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
import de.dhbwstuttgart.syntaxtree.factory.NameGenerator;
@ -47,6 +48,10 @@ public class TypePlaceholder extends RefTypeOrTPHOrWildcardOrGeneric
return new TypePlaceholder(NameGenerator.makeNewName(), position);
}
public static RefTypeOrTPHOrWildcardOrGeneric of(String name) {
return new TypePlaceholder(name, new NullToken());
}
/**
* Author: ¯Â¿Â½rg ¯Â¿Â½uerle<br/>

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@ -20,122 +20,17 @@ import java.util.stream.Stream;
public class ASTToTargetAST {
static RefType OBJECT = ASTFactory.createObjectType(); // TODO It would be better if I could call this directly but the hashcode seems to change
public static RefType OBJECT = ASTFactory.createObjectType(); // TODO It would be better if I could call this directly but the hashcode seems to change
protected List<Sigma> all;
protected Sigma sigma;
protected ClassOrInterface currentClass; // TODO This is only needed because of SuperCall, maybe there's
private record Bound(boolean isOnMethod, RefTypeOrTPHOrWildcardOrGeneric bound) {}
private static boolean boundChainEquals(List<Bound> left, List<Bound> right) {
if (left.size() != right.size()) return false;
for (var i = 0; i < left.size(); i++) {
var l = left.get(i);
var r = right.get(i);
if (l.isOnMethod != r.isOnMethod) return false;
if (i == left.size() - 1) {
if (!(l.bound instanceof TypePlaceholder)) {
if (!(l.bound.equals(r.bound))) return false;
}
}
}
return true;
}
public static class GenericsResult {
final Map<ClassOrInterface, Set<ResultPair<?, ?>>> computedGenericsOfClasses;
final Map<Method, Set<ResultPair<?, ?>>> computedGenericsOfMethods;
final Sigma sigma;
public GenericsResult(
Map<ClassOrInterface, Set<ResultPair<?, ?>>> computedGenericsOfClasses,
Map<Method, Set<ResultPair<?, ?>>> computedGenericsOfMethods) {
this.computedGenericsOfMethods = computedGenericsOfMethods;
this.computedGenericsOfClasses = computedGenericsOfClasses;
this.sigma = null;
}
private GenericsResult(Sigma sigma) {
this.computedGenericsOfMethods = sigma.computedGenericsOfMethods;
this.computedGenericsOfClasses = sigma.computedGenericsOfClasses;
this.sigma = sigma;
}
public Set<ResultPair<?, ?>> get(ClassOrInterface clazz) {
return computedGenericsOfClasses.get(clazz);
}
public Set<ResultPair<?, ?>> get(Method method) {
return computedGenericsOfMethods.get(method);
}
private TypePlaceholder equality(TypePlaceholder tph) {
if (this.sigma == null) return tph;
else return this.sigma.equality.getOrDefault(tph, tph);
}
private List<Bound> boundChain(ClassOrInterface clazz, Method method, TypePlaceholder tph) {
var result = new ArrayList<Bound>();
RefTypeOrTPHOrWildcardOrGeneric bound = equality(tph);
var constraintsForMethod = get(method);
var constraintsForClass = get(clazz);
Optional<ResultPair<?, ?>> newBound;
do {
RefTypeOrTPHOrWildcardOrGeneric finalBound1 = bound;
newBound = constraintsForMethod.stream().filter(pair -> pair.getLeft().equals(finalBound1)).findFirst();
if (newBound.isPresent()) {
bound = newBound.get().getRight();
result.add(new Bound(true, bound));
} else {
RefTypeOrTPHOrWildcardOrGeneric finalBound = bound;
newBound = constraintsForClass.stream().filter(pair -> pair.getLeft().equals(finalBound)).findFirst();
if (newBound.isPresent()) {
bound = newBound.get().getRight();
result.add(new Bound(false, bound));
}
}
} while (newBound.isPresent());
return result;
}
@Override
public boolean equals(Object o) {
if (!(o instanceof GenericsResult other)) return false;
if (this.computedGenericsOfClasses.size() != other.computedGenericsOfClasses.size())
return false;
for (var clazz : this.computedGenericsOfClasses.keySet()) {
if (!other.computedGenericsOfClasses.containsKey(clazz)) return false;
for (var method : clazz.getMethods()) {
for (var param : method.getParameterList()) {
if (param.getType() instanceof TypePlaceholder tph) {
var leftBound = boundChain(clazz, method, tph);
var rightBound = other.boundChain(clazz, method, tph);
if (!boundChainEquals(leftBound, rightBound)) return false;
}
}
if (method.getReturnType() instanceof TypePlaceholder tph) {
var leftBound = boundChain(clazz, method, tph);
var rightBound = other.boundChain(clazz, method, tph);
if (!boundChainEquals(leftBound, rightBound)) return false;
}
}
}
return true;
}
}
public List<GenericsResult> computedGenerics() {
return all.stream().map(GenericsResult::new).toList();
}
private class Sigma {
class Sigma {
Map<Method, Set<ResultPair<?, ?>>> computedGenericsOfMethods = new HashMap<>();
Map<Method, Set<TypePlaceholder>> usedTPHsOfMethods = new HashMap<>();
Map<ClassOrInterface, Set<ResultPair<?, ?>>> computedGenericsOfClasses = new HashMap<>();
@ -366,9 +261,10 @@ public class ASTToTargetAST {
if (pair.right.equals(pair2.left))
continue outer;
}
if (!hasBound(pair.right, genericsOfClass) && typeVariables.contains(pair.right))
if (!hasBound(pair.right, genericsOfClass) && typeVariables.contains(pair.right)) {
addToPairs(result, new PairTPHequalRefTypeOrWildcardType(pair.right, OBJECT));
}
}
eliminateCyclesAndInfima(result);
System.out.println(method.name + ": " + result);
@ -489,8 +385,8 @@ public class ASTToTargetAST {
}
}
void eliminateCyclesAndInfima(Set<ResultPair<?, ?>> input) {
// Eliminate cycles
void eliminateCycles(Set<ResultPair<?, ?>> input) {
var cycles = findCycles(input);
for (var cycle : cycles) {
var newTph = TypePlaceholder.fresh(new NullToken());
@ -504,7 +400,9 @@ public class ASTToTargetAST {
equality.put(left, newTph);
}
}
// Eliminate infima
}
void eliminateInfima(Set<ResultPair<?, ?>> input) {
var foundInfima = false;
do {
foundInfima = false;
@ -546,9 +444,21 @@ public class ASTToTargetAST {
} while (foundInfima);
}
TargetType get(TypePlaceholder tph) {
void eliminateCyclesAndInfima(Set<ResultPair<?, ?>> input) {
eliminateCycles(input);
eliminateInfima(input);
}
RefTypeOrTPHOrWildcardOrGeneric getType(TypePlaceholder tph) {
if (equality.containsKey(tph)) {
return get(equality.get(tph));
return getType(equality.get(tph));
}
return concreteTypes.getOrDefault(tph, tph);
}
TargetType getTargetType(TypePlaceholder tph) {
if (equality.containsKey(tph)) {
return getTargetType(equality.get(tph));
}
var type = concreteTypes.get(tph);
if (type == null) return new TargetGenericType(tph.getName());
@ -818,7 +728,7 @@ public class ASTToTargetAST {
@Override
public TargetType visit(TypePlaceholder typePlaceholder) {
return sigma.get(typePlaceholder);
return sigma.getTargetType(typePlaceholder);
}
@Override

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@ -0,0 +1,24 @@
package de.dhbwstuttgart.target.generate;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import java.util.List;
public record Bound(boolean isOnMethod, RefTypeOrTPHOrWildcardOrGeneric bound) {
public static boolean chainEquals(List<Bound> left, List<Bound> right) {
if (left.size() != right.size()) return false;
for (var i = 0; i < left.size(); i++) {
var l = left.get(i);
var r = right.get(i);
if (l.isOnMethod != r.isOnMethod) return false;
if (i == left.size() - 1) {
if (!(l.bound instanceof TypePlaceholder)) {
if (!(l.bound.equals(r.bound))) return false;
}
}
}
return true;
}
}

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@ -0,0 +1,68 @@
package de.dhbwstuttgart.target.generate;
import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
import de.dhbwstuttgart.syntaxtree.Method;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.typeinference.result.ResultPair;
import java.util.*;
public class GenericsResult {
final ASTToTargetAST.Sigma sigma;
public GenericsResult(ASTToTargetAST.Sigma sigma) {
this.sigma = sigma;
}
public Set<ResultPair<?, ?>> get(ClassOrInterface clazz) {
return this.sigma.computedGenericsOfClasses.getOrDefault(clazz, Set.of());
}
public Set<ResultPair<?, ?>> get(Method method) {
return this.sigma.computedGenericsOfMethods.getOrDefault(method, Set.of());
}
public List<Bound> getBounds(RefTypeOrTPHOrWildcardOrGeneric type, ClassOrInterface clazz) {
return getBounds(type, clazz, null);
}
public List<Bound> getBounds(RefTypeOrTPHOrWildcardOrGeneric type, ClassOrInterface clazz, Method method) {
type = resolve(type);
if (type instanceof TypePlaceholder) {
var methodGenerics = get(method);
var classGenerics = get(clazz);
List<Bound> result = new ArrayList<>();
Optional<Bound> bound = Optional.empty();
do {
bound = Optional.empty();
for (var pair : methodGenerics) {
if (pair.getLeft().equals(type)) {
type = resolve(pair.getRight());
bound = Optional.of(new Bound(true, type));
break;
}
}
if (bound.isEmpty()) {
for (var pair : classGenerics) {
if (pair.getLeft().equals(type)) {
type = resolve(pair.getRight());
bound = Optional.of(new Bound(false, type));
break;
}
}
}
bound.ifPresent(result::add);
} while (bound.isPresent());
return result;
}
return List.of();
}
public RefTypeOrTPHOrWildcardOrGeneric resolve(RefTypeOrTPHOrWildcardOrGeneric type) {
if (type instanceof TypePlaceholder tph)
return this.sigma.getType(tph);
return type;
}
}

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@ -2,33 +2,363 @@ package targetast;
import de.dhbwstuttgart.core.JavaTXCompiler;
import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
import de.dhbwstuttgart.target.generate.ASTToTargetAST.GenericsResult;
import de.dhbwstuttgart.syntaxtree.Field;
import de.dhbwstuttgart.syntaxtree.Method;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.target.generate.ASTToTargetAST;
import de.dhbwstuttgart.target.generate.Bound;
import de.dhbwstuttgart.target.generate.GenericsResult;
import org.junit.Ignore;
import org.junit.Test;
import static org.junit.Assert.*;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Type;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.SocketHandler;
public class TestGenerics {
private static final String rootDirectory = System.getProperty("user.dir") + "/src/test/resources/insertGenericsJav/";
private static final String bytecodeDirectory = System.getProperty("user.dir") + "/src/test/resources/testBytecode/generatedBC/";
private record Result(List<GenericsResult> genericsResults, ClassOrInterface clazz) {}
private record Result(List<GenericsResult> genericsResults, ClassOrInterface clazz) {
Method findMethod(String name) {
return clazz.getMethods().stream().filter(m -> m.getName().equals(name)).findFirst().orElse(null);
}
Field findField(String name) {
return clazz.getFieldDecl().stream().filter(field -> field.getName().equals(name)).findFirst().orElse(null);
}
}
private static Result computeGenerics(String filename) throws IOException, ClassNotFoundException {
var file = Path.of(rootDirectory + filename).toFile();
var compiler = new JavaTXCompiler(List.of(file), List.of(file.getParentFile()));
var inference = compiler.typeInference();
compiler.generateBytecode(null, inference);
compiler.generateBytecode(new File(bytecodeDirectory), inference);
var clazz = compiler.sourceFiles.get(file).getClasses().get(0);
return new Result(compiler.getGeneratedGenerics().get(file), clazz);
}
@Test
public void testAny() throws Exception {
var generics = computeGenerics("TestAny.jav");
for (var result : generics.genericsResults) {
System.out.println(result.get(generics.clazz));
var result = computeGenerics("TestAny.jav");
var anyMethod = result.findMethod("anyMethod");
var otherMethod = result.findMethod("otherMethod");
var a = result.findField("a");
var generics = result.genericsResults.get(0);
assertEquals(1, generics.get(anyMethod).size());
assertEquals(2, generics.get(result.clazz).size());
var ECK1 = generics.getBounds(otherMethod.getParameterList().getParameterAt(0).getType(), result.clazz, anyMethod);
var ECK2 = generics.getBounds(otherMethod.getReturnType(), result.clazz, anyMethod);
var ECKChain = List.of(new Bound(false, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(ECK1, ECK2) && Bound.chainEquals(ECK2, ECKChain));
var M = generics.getBounds(a.getType(), result.clazz);
var MChain = List.of(new Bound(false, TypePlaceholder.of("ECK")), new Bound(false, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(M, MChain));
}
@Test
public void testClassField() throws Exception {
var result = computeGenerics("TestClassField.jav");
var fReturn = result.findMethod("fReturn");
var generics = result.genericsResults.get(0);
assertEquals(1, generics.get(result.clazz).size());
assertEquals(0, generics.get(fReturn).size());
var N = generics.getBounds(fReturn.getReturnType(), result.clazz);
var NChain = List.of(new Bound(false, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(N, NChain));
}
@Test
public void testContraVariant() throws Exception {
var result = computeGenerics("TestContraVariant.jav");
var m = result.findMethod("m");
var main = result.findMethod("main");
var generics = result.genericsResults.get(0);
assertEquals(0, generics.get(result.clazz).size());
assertEquals(2, generics.get(m).size());
assertEquals(2, generics.get(main).size());
var N = generics.getBounds(m.getParameterList().getParameterAt(0).getType(), result.clazz, m);
var NChain = List.of(new Bound(true, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(N, NChain));
var Q = generics.getBounds(m.getReturnType(), result.clazz, m);
var QChain = List.of(new Bound(true, TypePlaceholder.of("N")), new Bound(true, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(Q, QChain));
var R = generics.getBounds(main.getParameterList().getParameterAt(0).getType(), result.clazz, main);
assertTrue(Bound.chainEquals(R, NChain));
var Q2 = generics.getBounds(main.getReturnType(), result.clazz, main);
assertTrue(Bound.chainEquals(Q2, NChain));
}
@Test
public void testGGFinder() throws Exception {
var result = computeGenerics("TestGGFinder.jav");
var id = result.findMethod("id");
var setA = result.findMethod("setA");
var m = result.findMethod("m");
var a = result.findField("a");
var generics = result.genericsResults.get(0);
assertEquals(1, generics.get(result.clazz).size());
assertEquals(2, generics.get(id).size());
assertEquals(1, generics.get(setA).size());
assertEquals(2, generics.get(m).size());
var R = generics.getBounds(a.getType(), result.clazz);
var RChain = List.of(new Bound(false, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(R, RChain));
var O = generics.getBounds(id.getParameterList().getParameterAt(0).getType(), result.clazz, id);
var OChain = List.of(new Bound(true, TypePlaceholder.of("AB")), new Bound(true, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(O, OChain));
var AB = generics.getBounds(id.getReturnType(), result.clazz, id);
assertTrue(Bound.chainEquals(AB, List.of(new Bound(true, ASTToTargetAST.OBJECT))));
var S = generics.getBounds(setA.getParameterList().getParameterAt(0).getType(), result.clazz, setA);
var SChain = List.of(new Bound(true, TypePlaceholder.of("R")), new Bound(false, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(S, SChain));
assertTrue(Bound.chainEquals(generics.getBounds(setA.getReturnType(), result.clazz, setA), RChain));
var X = generics.getBounds(m.getParameterList().getParameterAt(0).getType(), result.clazz, m);
var Y = generics.getBounds(m.getParameterList().getParameterAt(1).getType(), result.clazz, m);
var XChain = List.of(new Bound(true, ASTToTargetAST.OBJECT));
var YChain = List.of(new Bound(true, TypePlaceholder.of("Y")), new Bound(true, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(X, XChain));
assertTrue(Bound.chainEquals(Y, YChain));
}
@Test
@Ignore("Not implemented")
public void testLocalVarLambda() throws Exception {
var result = computeGenerics("TestLocalVarLambda.jav");
// TODO Generics of lambdas
}
@Test
public void testMutualRecursion() throws Exception {
var result = computeGenerics("TestMutualRecursion.jav");
var id = result.findMethod("id");
var m = result.findMethod("m");
var main = result.findMethod("main");
var a = result.findField("a");
var generics = result.genericsResults.get(0);
assertEquals(1, generics.get(result.clazz).size());
assertEquals(3, generics.get(id).size());
assertEquals(2, generics.get(m).size());
assertEquals(3, generics.get(main).size());
var M = generics.getBounds(a.getType(), result.clazz);
assertTrue(Bound.chainEquals(M, List.of(new Bound(false, ASTToTargetAST.OBJECT))));
var O = generics.getBounds(id.getParameterList().getParameterAt(0).getType(), result.clazz, id);
var OChain = List.of(new Bound(true, TypePlaceholder.of("P")), new Bound(true, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(O, OChain));
var AK = generics.getBounds(id.getReturnType(), result.clazz, id);
var AKChain = List.of(new Bound(true, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(AK, AKChain));
// TODO Shouldn't AK and AK2 be the same and on the class?
var AK2 = generics.getBounds(m.getParameterList().getParameterAt(0).getType(), result.clazz, m);
var Y = generics.getBounds(m.getParameterList().getParameterAt(0).getType(), result.clazz, m);
assertTrue(Bound.chainEquals(AK2, AKChain));
assertTrue(Bound.chainEquals(Y, AKChain));
var AF = generics.getBounds(main.getParameterList().getParameterAt(0).getType(), result.clazz, main);
var AG= generics.getBounds(main.getParameterList().getParameterAt(1).getType(), result.clazz, main);
var AK3 = generics.getBounds(main.getReturnType(), result.clazz, main);
var AFChain = List.of(new Bound(true, TypePlaceholder.of("AG")), new Bound(true, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(AF, AFChain));
assertTrue(Bound.chainEquals(AG, AKChain));
assertTrue(Bound.chainEquals(AK3, AKChain));
}
@Test
public void testReturnVar() throws Exception {
var result = computeGenerics("TestReturnVar.jav");
var anyMethod = result.findMethod("anyMethod");
var generics = result.genericsResults.get(0);
assertEquals(1, generics.get(anyMethod).size());
var M = generics.getBounds(anyMethod.getReturnType(), result.clazz, anyMethod);
assertTrue(Bound.chainEquals(M, List.of(new Bound(true, ASTToTargetAST.OBJECT))));
}
@Test
public void testSecondLineOfClassConstraints() throws Exception {
var result = computeGenerics("TestSecondLineOfClassConstraints.jav");
var a = result.findField("a");
var b = result.findField("b");
var anyMethod = result.findMethod("anyMethod");
var otherMethod = result.findMethod("otherMethod");
var generics = result.genericsResults.get(0);
var M = generics.getBounds(a.getType(), result.clazz);
var DYX = generics.getBounds(b.getType(), result.clazz);
var MChain = List.of(new Bound(false, TypePlaceholder.of("DYX")), new Bound(false, ASTToTargetAST.OBJECT));
var DYXChain = List.of(new Bound(false, ASTToTargetAST.OBJECT));
assertTrue(Bound.chainEquals(M, MChain));
var Q = generics.getBounds(anyMethod.getReturnType(), result.clazz, anyMethod);
assertTrue(Bound.chainEquals(Q, List.of(new Bound(true, ASTToTargetAST.OBJECT))));
var DYX2 = generics.getBounds(otherMethod.getReturnType(), result.clazz, otherMethod);
assertTrue(Bound.chainEquals(DYX, DYX2) && Bound.chainEquals(DYX2, DYXChain));
}
@Test
@Ignore("This doesn't work properly")
public void testThreeArgs() throws Exception {
var result = computeGenerics("TestThreeArgs.jav");
}
@Test
public void testTPHsAndGenerics() throws Exception {
var result = computeGenerics("TestTPHsAndGenerics.jav");
var id2 = result.findMethod("id2");
var m = result.findMethod("m");
var m2 = result.findMethod("m2");
var generics = result.genericsResults.get(0);
var U = generics.getBounds(id2.getParameterList().getParameterAt(0).getType(), result.clazz, id2);
var FPT = generics.getBounds(id2.getReturnType(), result.clazz, id2);
assertTrue(Bound.chainEquals(U, List.of(new Bound(true, TypePlaceholder.of("FPT")), new Bound(false, ASTToTargetAST.OBJECT))));
assertTrue(Bound.chainEquals(FPT, List.of(new Bound(false, ASTToTargetAST.OBJECT))));
var AA = generics.getBounds(m.getReturnType(), result.clazz, m);
var AC = generics.getBounds(m.getParameterList().getParameterAt(1).getType(), result.clazz, m);
assertTrue(Bound.chainEquals(AA, List.of(new Bound(true, ASTToTargetAST.OBJECT))));
assertTrue(Bound.chainEquals(AC, List.of(new Bound(true, TypePlaceholder.of("AD")), new Bound(true, ASTToTargetAST.OBJECT))));
var AH = generics.getBounds(m2.getReturnType(), result.clazz, m2);
var AL = generics.getBounds(m2.getParameterList().getParameterAt(0).getType(), result.clazz, m2);
assertTrue(Bound.chainEquals(AH, List.of(new Bound(true, ASTToTargetAST.OBJECT))));
assertTrue(Bound.chainEquals(AH, AL));
}
@Test
public void testTwoArgs() throws Exception {
var result = computeGenerics("TestTwoArgs.jav");
var a = result.findField("a");
var id = result.findMethod("id");
var setA = result.findMethod("setA");
var m = result.findMethod("m");
var main = result.findMethod("main");
var generics = result.genericsResults.get(0);
var AO = generics.getBounds(a.getType(), result.clazz);
var AOBound = List.of(
new Bound(false, TypePlaceholder.of("Y")),
new Bound(false, TypePlaceholder.of("AK")),
new Bound(false, TypePlaceholder.of("AE")),
new Bound(false, ASTToTargetAST.OBJECT)
);
assertTrue(Bound.chainEquals(AO, AOBound));
var S = generics.getBounds(setA.getParameterList().getParameterAt(0).getType(), result.clazz, setA);
var SChain = new ArrayList<Bound>();
SChain.add(new Bound(true, TypePlaceholder.of("AO")));
SChain.addAll(AOBound);
assertTrue(Bound.chainEquals(S, SChain));
var Y = generics.getBounds(m.getParameterList().getParameterAt(1).getType(), result.clazz, m);
var YChain = List.of(new Bound(true, TypePlaceholder.of("AE")), new Bound(false, ASTToTargetAST.OBJECT));
var AE = generics.getBounds(m.getReturnType(), result.clazz, m);
assertTrue(Bound.chainEquals(Y, YChain));
assertTrue(Bound.chainEquals(AE, List.of(new Bound(false, ASTToTargetAST.OBJECT))));
// TODO main seems to change between runs
/*var AE2 = generics.getBounds(main.getReturnType(), result.clazz, main);
var AF = generics.getBounds(main.getParameterList().getParameterAt(0).getType(), result.clazz, main);
var AG = generics.getBounds(main.getParameterList().getParameterAt(1).getType(), result.clazz, main);
assertTrue(Bound.chainEquals(AE, AE2));
assertTrue(Bound.chainEquals(AF, List.of(new Bound(true, TypePlaceholder.of("AK")), new Bound(true, TypePlaceholder.of("AE")), new Bound(false, ASTToTargetAST.OBJECT))));
assertTrue(Bound.chainEquals(AG, SChain));*/
}
@Test
@Ignore("main changes in between runs")
public void testTwoArgs2() throws Exception {
var result = computeGenerics("TestTwoArgs2.jav");
}
@Test
public void testTwoCalls() throws Exception {
var result = computeGenerics("TestTwoCalls.jav");
var id = result.findMethod("id");
var main = result.findMethod("main");
var generics = result.genericsResults.get(0);
var Q = generics.getBounds(id.getReturnType(), result.clazz, id);
var N = generics.getBounds(id.getParameterList().getParameterAt(0).getType(), result.clazz, id);
assertTrue(Bound.chainEquals(Q, List.of(new Bound(true, ASTToTargetAST.OBJECT))));
assertTrue(Bound.chainEquals(N, List.of(new Bound(true, TypePlaceholder.of("Q")), new Bound(true, ASTToTargetAST.OBJECT))));
var Q2 = generics.getBounds(main.getReturnType(), result.clazz, main);
var R = generics.getBounds(main.getParameterList().getParameterAt(0).getType(), result.clazz, main);
var S = generics.getBounds(main.getParameterList().getParameterAt(1).getType(), result.clazz, main);
assertTrue(Bound.chainEquals(Q2, List.of(new Bound(true, ASTToTargetAST.OBJECT))));
assertTrue(Bound.chainEquals(R, List.of(new Bound(true, TypePlaceholder.of("Q")), new Bound(true, ASTToTargetAST.OBJECT))));
assertTrue(Bound.chainEquals(S, List.of(new Bound(true, TypePlaceholder.of("Q")), new Bound(true, ASTToTargetAST.OBJECT))));
}
@Test
public void testVector() throws Exception {
var result = computeGenerics("TestVector.jav");
var m = result.findMethod("m");
var generics = result.genericsResults.get(0);
var par1 = generics.resolve(m.getParameterList().getParameterAt(0).getType());
var par2 = generics.resolve(m.getParameterList().getParameterAt(1).getType());
var S = generics.getBounds(((RefType) par1).getParaList().get(0), result.clazz, m);
var ACM = generics.getBounds(((RefType) par2).getParaList().get(0), result.clazz, m);
assertTrue(Bound.chainEquals(S, List.of(new Bound(true, TypePlaceholder.of("V")), new Bound(true, TypePlaceholder.of("ACM")), new Bound(true, ASTToTargetAST.OBJECT))));
assertTrue(Bound.chainEquals(ACM, List.of(new Bound(true, ASTToTargetAST.OBJECT))));
}
@Test
public void testVectorArg() throws Exception {
var result = computeGenerics("TestVectorArg.jav");
var add = result.findMethod("add");
var main = result.findMethod("main");
var generics = result.genericsResults.get(0);
var par1 = generics.resolve(add.getParameterList().getParameterAt(0).getType());
var ACK = generics.getBounds(((RefType) par1).getParaList().get(0), result.clazz, add);
var O = generics.getBounds(add.getParameterList().getParameterAt(1).getType(), result.clazz, add);
assertTrue(Bound.chainEquals(ACK, List.of(new Bound(true, ASTToTargetAST.OBJECT))));
assertTrue(Bound.chainEquals(O, List.of(new Bound(true, TypePlaceholder.of("ACK")), new Bound(true, ASTToTargetAST.OBJECT))));
var par2 = generics.resolve(main.getParameterList().getParameterAt(0).getType());
var ACK2 = generics.getBounds(((RefType) par2).getParaList().get(0), result.clazz, add);
var V = generics.getBounds(add.getParameterList().getParameterAt(1).getType(), result.clazz, add);
assertTrue(Bound.chainEquals(ACK2, ACK));
assertTrue(Bound.chainEquals(V, O));
}
@Test
public void testVoidMeth() throws Exception {
var result = computeGenerics("TestVoidMeth.jav");
}
}