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[java-highlighting] IDEA-311833. Not correct warning about unchecked cast

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GitOrigin-RevId: aec8937d162d2f84c0abf22d50015477427ee602
This commit is contained in:
Mikhail Pyltsin
2023-01-29 23:25:33 +01:00
committed by intellij-monorepo-bot
parent 9f1b4fb2ab
commit e98c32838a
7 changed files with 580 additions and 11 deletions
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36
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/OnlyUncheckedWarningCastWithDuplicatedArguments.java Normal file
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@@ -0,0 +1,36 @@
public class OnlyUncheckedWarningCastWithDuplicatedArguments{
public static void test(BiGenericInterface<? extends String, ? extends String> t,
EmptyInterface emptyInterface,
BiGenericInterface<String, String> stringI) {
//unchecked
UnaryGenericInterface<? extends CharSequence> t1 = <warning descr="Unchecked cast: 'BiGenericInterface<capture<? extends java.lang.String>,capture<? extends java.lang.String>>' to 'UnaryGenericInterface<? extends java.lang.CharSequence>'">(UnaryGenericInterface<? extends CharSequence>)t</warning>;
//unchecked
UnaryGenericInterface<? extends CharSequence> t2 = <warning descr="Unchecked cast: 'EmptyInterface' to 'UnaryGenericInterface<? extends java.lang.CharSequence>'">(UnaryGenericInterface<? extends CharSequence>)emptyInterface</warning>;
//unchecked
ChildUnaryGenericInterface<? extends CharSequence > t3 = <warning descr="Unchecked cast: 'BiGenericInterface<capture<? extends java.lang.String>,capture<? extends java.lang.String>>' to 'ChildUnaryGenericInterface<? extends java.lang.CharSequence>'">(ChildUnaryGenericInterface<? extends CharSequence>)t</warning>;
StringOneGenericInterface<? extends CharSequence > t4 = (StringOneGenericInterface<? extends CharSequence>)stringI;
UnaryGenericInterface<? extends CharSequence > t5 = (UnaryGenericInterface<? extends CharSequence>)stringI;
UnaryGenericInterface<String> t6 = (UnaryGenericInterface<String>)stringI;
StringInterface t7 = (StringInterface) stringI;
ChildUnaryGenericInterfaceWithBound<? extends CharSequence> childChild2 = (ChildUnaryGenericInterfaceWithBound<? extends CharSequence>)t;
BoundChildBiGenericInterface<? extends CharSequence> child3 = (BoundChildBiGenericInterface<? extends CharSequence>)t;
TwoPathGenericChild<? extends CharSequence> child1Child3 = (TwoPathGenericChild<? extends CharSequence>)t;
}
}
interface EmptyInterface {}
interface BiGenericInterface<T, R> extends EmptyInterface {
}
interface UnaryGenericInterface<T> extends BiGenericInterface<T, T> {}
interface StringOneGenericInterface<T> extends BiGenericInterface<T, String> { }
interface StringInterface extends BiGenericInterface<String, String> { }
interface ChildUnaryGenericInterface<T> extends UnaryGenericInterface<T> {}
interface ChildUnaryGenericInterfaceWithBound<T extends CharSequence> extends UnaryGenericInterface<T> { }
interface BoundChildBiGenericInterface<T extends CharSequence> extends BiGenericInterface<T, T> {}
interface TwoPathGenericChild<T extends CharSequence> extends UnaryGenericInterface<T>, BiGenericInterface<T, T> {}

331
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting/OnlyUncheckedWarningWithCast.java Normal file
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@@ -0,0 +1,331 @@
public class UncheckedWarningWithCast{
interface NotGenericInterface {
}
interface GenericInterface<T> {
}
interface ChildGenericInterface<T> extends GenericInterface<T> {
}
interface NotChildGenericInterface<T> {
}
interface ChildNotRelatedGenericInterface<T> extends GenericInterface<CharSequence> {
}
interface ChildNotGeneric extends GenericInterface<CharSequence> {
}
interface NotChildNotGeneric {
}
final class NotChildNotGenericClass {
}
final class ChildNotGenericClass implements GenericInterface<CharSequence> {
}
class ChildNotGenericClassNotCompatible implements GenericInterface<Integer> {
}
class ChildNotGenericNotFinalClassNotCompatible implements GenericInterface<Number> {
}
final class ChildGenericClass<T> implements GenericInterface<T> {
}
public interface Function<T, R> {
R apply(T t);
}
public interface Function2<T, R> extends Function<T, R> {
}
public interface Function3<T, R> extends Function2<T, R> {
}
public interface UnaryOperator<T> extends Function<T, T> {
}
public interface UnaryOperator2<T, R> extends Function<T, T> {
}
class ExtendFunction<T> implements Function<CharSequence, T>{
@Override
public T apply(CharSequence charSequence) {
return null;
}
}
class ClassMapper<T> implements UnaryOperator<T> {
private T in;
private T out;
ClassMapper(T in, T out) {
this.in = in;
this.out = out;
}
public T apply(T arg) {
return in.equals(arg) ? out : null;
}
}
void test(UnaryOperator<? extends CharSequence> op, Object ob) {
//Changed Example 18.5.5-1. Record Pattern Type Inference JLS with Record Patterns (Second Preview)
ClassMapper<? extends CharSequence> seq = (ClassMapper<? extends CharSequence>) op;
//unchecked
ClassMapper<? extends String> seq2 = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.UnaryOperator<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.ClassMapper<? extends java.lang.String>'">(ClassMapper<? extends String>) op</warning>;
}
<T extends CharSequence> void test2(UnaryOperator<T> op, Object ob) {
ClassMapper<? extends CharSequence> seq = (ClassMapper<? extends CharSequence>) op;
}
void test3(Function<? extends String, ? extends String> op, Object ob) {
//unchecked
ClassMapper<? extends CharSequence> seq = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.Function<capture<? extends java.lang.String>,capture<? extends java.lang.String>>' to 'UncheckedWarningWithCast.ClassMapper<? extends java.lang.CharSequence>'">(ClassMapper<? extends CharSequence>) op</warning>;
//unchecked
UnaryOperator<? extends CharSequence> seq2 = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.Function<capture<? extends java.lang.String>,capture<? extends java.lang.String>>' to 'UncheckedWarningWithCast.UnaryOperator<? extends java.lang.CharSequence>'">(UnaryOperator<? extends CharSequence>) op</warning>;
//unchecked
UnaryOperator2<? extends CharSequence, ? extends CharSequence> seq3 = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.Function<capture<? extends java.lang.String>,capture<? extends java.lang.String>>' to 'UncheckedWarningWithCast.UnaryOperator2<? extends java.lang.CharSequence,? extends java.lang.CharSequence>'">(UnaryOperator2<? extends CharSequence, ? extends CharSequence>) op</warning>;
}
void test4(Function<? extends String, ? extends String> op, Object ob) {
Function3<? extends CharSequence, ? extends CharSequence> seq = (Function3<? extends CharSequence, ? extends CharSequence>) op;
}
void test5(Function<CharSequence, ? extends CharSequence> op, Object ob) {
ExtendFunction<? extends CharSequence> seq = (ExtendFunction<? extends CharSequence>) op;
}
void test6(Function<? extends CharSequence, ? extends CharSequence> op, Object ob) {
//unchecked
ExtendFunction<? extends CharSequence> seq = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.Function<capture<? extends java.lang.CharSequence>,capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.ExtendFunction<? extends java.lang.CharSequence>'">(ExtendFunction<? extends CharSequence>) op</warning>;
}
void test7(Function<? extends String, ? extends String> op, Object ob) {
Function<? extends CharSequence, ? extends CharSequence> seq = (Function<? extends CharSequence, ? extends CharSequence>) op;
}
void test8(UnaryOperator<? extends String> op, Object ob) {
ClassMapper<? extends CharSequence> seq = (ClassMapper<? extends CharSequence>) op;
ClassMapper<? extends String> seq2 = (ClassMapper<? extends String>) op;
}
public void testChildGenericInterface(GenericInterface raw,
GenericInterface<? super String> superGeneric,
GenericInterface<? extends CharSequence> extendGeneric,
NotGenericInterface notGenericInterface) {
//unchecked
ChildGenericInterface<String> notRaw = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface' to 'UncheckedWarningWithCast.ChildGenericInterface<java.lang.String>'">(ChildGenericInterface<String>) raw</warning>;
ChildGenericInterface<?> superWildcardGenericCast = (ChildGenericInterface<?>) superGeneric;
ChildGenericInterface<?> extendWildcardGenericCast = (ChildGenericInterface<?>) extendGeneric;
ChildGenericInterface<? super String> superEqualGenericCast = (ChildGenericInterface<? super String>) superGeneric;
ChildGenericInterface<? extends CharSequence> extendEqualGenericCast = (ChildGenericInterface<? extends CharSequence>) extendGeneric;
//unchecked
ChildGenericInterface<Object> superUpperBoundGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.ChildGenericInterface<java.lang.Object>'">(ChildGenericInterface<Object>) superGeneric</warning>;
//unchecked
ChildGenericInterface<CharSequence> extendUpperBoundGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.ChildGenericInterface<java.lang.CharSequence>'">(ChildGenericInterface<CharSequence>) extendGeneric</warning>;
//unchecked
ChildGenericInterface<? super Integer> superNotRelatedGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.ChildGenericInterface<? super java.lang.Integer>'">(ChildGenericInterface<? super Integer>) superGeneric</warning>;
//unchecked
ChildGenericInterface<? extends String> extendNotCoveredGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.ChildGenericInterface<? extends java.lang.String>'">(ChildGenericInterface<? extends String>) extendGeneric</warning>;
//unchecked
ChildGenericInterface<? super Integer> superNotGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.NotGenericInterface' to 'UncheckedWarningWithCast.ChildGenericInterface<? super java.lang.Integer>'">(ChildGenericInterface<? super Integer>) notGenericInterface</warning>;
//unchecked
ChildGenericInterface<? extends String> extendNotGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.NotGenericInterface' to 'UncheckedWarningWithCast.ChildGenericInterface<? extends java.lang.String>'">(ChildGenericInterface<? extends String>) notGenericInterface</warning>;
}
public void testChildGenericClass(GenericInterface raw,
GenericInterface<? super String> superGeneric,
GenericInterface<? extends CharSequence> extendGeneric,
NotGenericInterface notGenericInterface) {
//unchecked
ChildGenericClass<String> notRaw = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface' to 'UncheckedWarningWithCast.ChildGenericClass<java.lang.String>'">(ChildGenericClass<String>) raw</warning>;
ChildGenericClass<?> superWildcardGenericCast = (ChildGenericClass<?>) superGeneric;
ChildGenericClass<?> extendWildcardGenericCast = (ChildGenericClass<?>) extendGeneric;
ChildGenericClass<? super String> superEqualGenericCast = (ChildGenericClass<? super String>) superGeneric;
ChildGenericClass<? extends CharSequence> extendEqualGenericCast = (ChildGenericClass<? extends CharSequence>) extendGeneric;
//unchecked
ChildGenericClass<Object> superUpperBoundGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.ChildGenericClass<java.lang.Object>'">(ChildGenericClass<Object>) superGeneric</warning>;
//unchecked
ChildGenericClass<CharSequence> extendUpperBoundGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.ChildGenericClass<java.lang.CharSequence>'">(ChildGenericClass<CharSequence>) extendGeneric</warning>;
//unchecked
ChildGenericClass<? super Integer> superNotRelatedGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.ChildGenericClass<? super java.lang.Integer>'">(ChildGenericClass<? super Integer>) superGeneric</warning>;
//unchecked
ChildGenericClass<? extends String> extendNotCoveredGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.ChildGenericClass<? extends java.lang.String>'">(ChildGenericClass<? extends String>) extendGeneric</warning>;
//not compile
ChildGenericClass<? super Integer> superNotGenericCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.NotGenericInterface' to 'UncheckedWarningWithCast.ChildGenericClass<? super java.lang.Integer>'">(ChildGenericClass<? super Integer>) notGenericInterface</error>;
//not compile
ChildGenericClass<? extends String> extendNotGenericCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.NotGenericInterface' to 'UncheckedWarningWithCast.ChildGenericClass<? extends java.lang.String>'">(ChildGenericClass<? extends String>) notGenericInterface</error>;
}
public void testNotChildGenericInterface(GenericInterface raw,
GenericInterface<? super String> superGeneric,
GenericInterface<? extends CharSequence> extendGeneric,
NotGenericInterface notGenericInterface) {
//unchecked
NotChildGenericInterface<String> notRaw = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface' to 'UncheckedWarningWithCast.NotChildGenericInterface<java.lang.String>'">(NotChildGenericInterface<String>) raw</warning>;
NotChildGenericInterface<?> superWildcardGenericCast = (NotChildGenericInterface<?>) superGeneric;
NotChildGenericInterface<?> extendWildcardGenericCast = (NotChildGenericInterface<?>) extendGeneric;
//unchecked
NotChildGenericInterface<? super String> superEqualGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.NotChildGenericInterface<? super java.lang.String>'">(NotChildGenericInterface<? super String>) superGeneric</warning>;
//unchecked
NotChildGenericInterface<? extends CharSequence> extendEqualGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.NotChildGenericInterface<? extends java.lang.CharSequence>'">(NotChildGenericInterface<? extends CharSequence>) extendGeneric</warning>;
//unchecked
NotChildGenericInterface<Object> superUpperBoundGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.NotChildGenericInterface<java.lang.Object>'">(NotChildGenericInterface<Object>) superGeneric</warning>;
//unchecked
NotChildGenericInterface<CharSequence> extendUpperBoundGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.NotChildGenericInterface<java.lang.CharSequence>'">(NotChildGenericInterface<CharSequence>) extendGeneric</warning>;
//unchecked
NotChildGenericInterface<? super Integer> superNotRelatedGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.NotChildGenericInterface<? super java.lang.Integer>'">(NotChildGenericInterface<? super Integer>) superGeneric</warning>;
//unchecked
NotChildGenericInterface<? extends String> extendNotCoveredGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.NotChildGenericInterface<? extends java.lang.String>'">(NotChildGenericInterface<? extends String>) extendGeneric</warning>;
//unchecked
NotChildGenericInterface<? super Integer> superNotGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.NotGenericInterface' to 'UncheckedWarningWithCast.NotChildGenericInterface<? super java.lang.Integer>'">(NotChildGenericInterface<? super Integer>) notGenericInterface</warning>;
//unchecked
NotChildGenericInterface<? extends String> extendNotGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.NotGenericInterface' to 'UncheckedWarningWithCast.NotChildGenericInterface<? extends java.lang.String>'">(NotChildGenericInterface<? extends String>) notGenericInterface</warning>;
}
public void testChildNotRelatedGenericInterface(GenericInterface raw,
GenericInterface<? super String> superGeneric,
GenericInterface<? extends CharSequence> extendGeneric,
NotGenericInterface notGenericInterface) {
//unchecked
ChildNotRelatedGenericInterface<String> notRaw = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface' to 'UncheckedWarningWithCast.ChildNotRelatedGenericInterface<java.lang.String>'">(ChildNotRelatedGenericInterface<String>) raw</warning>;
ChildNotRelatedGenericInterface<?> superWildcardGenericCast = (ChildNotRelatedGenericInterface<?>) superGeneric;
ChildNotRelatedGenericInterface<?> extendWildcardGenericCast = (ChildNotRelatedGenericInterface<?>) extendGeneric;
//unchecked
ChildNotRelatedGenericInterface<? super String> superEqualGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.ChildNotRelatedGenericInterface<? super java.lang.String>'">(ChildNotRelatedGenericInterface<? super String>) superGeneric</warning>;
//unchecked
ChildNotRelatedGenericInterface<? extends CharSequence> extendEqualGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.ChildNotRelatedGenericInterface<? extends java.lang.CharSequence>'">(ChildNotRelatedGenericInterface<? extends CharSequence>) extendGeneric</warning>;
//unchecked
ChildNotRelatedGenericInterface<Object> superUpperBoundGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.ChildNotRelatedGenericInterface<java.lang.Object>'">(ChildNotRelatedGenericInterface<Object>) superGeneric</warning>;
//unchecked
ChildNotRelatedGenericInterface<CharSequence> extendUpperBoundGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.ChildNotRelatedGenericInterface<java.lang.CharSequence>'">(ChildNotRelatedGenericInterface<CharSequence>) extendGeneric</warning>;
//unchecked
ChildNotRelatedGenericInterface<? super Integer> superNotRelatedGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.ChildNotRelatedGenericInterface<? super java.lang.Integer>'">(ChildNotRelatedGenericInterface<? super Integer>) superGeneric</warning>;
//unchecked
ChildNotRelatedGenericInterface<? extends String> extendNotCoveredGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.ChildNotRelatedGenericInterface<? extends java.lang.String>'">(ChildNotRelatedGenericInterface<? extends String>) extendGeneric</warning>;
//unchecked
ChildNotRelatedGenericInterface<? super Integer> superNotGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.NotGenericInterface' to 'UncheckedWarningWithCast.ChildNotRelatedGenericInterface<? super java.lang.Integer>'">(ChildNotRelatedGenericInterface<? super Integer>) notGenericInterface</warning>;
//unchecked
ChildNotRelatedGenericInterface<? extends String> extendNotGenericCast = <warning descr="Unchecked cast: 'UncheckedWarningWithCast.NotGenericInterface' to 'UncheckedWarningWithCast.ChildNotRelatedGenericInterface<? extends java.lang.String>'">(ChildNotRelatedGenericInterface<? extends String>) notGenericInterface</warning>;
}
public void testChildNotGeneric(GenericInterface raw,
GenericInterface<? super String> superGeneric,
GenericInterface<? extends CharSequence> extendGeneric,
GenericInterface<? super Integer> superGenericInteger,
GenericInterface<? extends Integer> extendGenericInteger,
NotGenericInterface notGenericInterface) {
ChildNotGeneric notRaw = (ChildNotGeneric) raw;
ChildNotGeneric superCast = (ChildNotGeneric) superGeneric;
ChildNotGeneric extendCast = (ChildNotGeneric) extendGeneric;
//not compile
ChildNotGeneric extendNumberCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.Integer>>' to 'UncheckedWarningWithCast.ChildNotGeneric'">(ChildNotGeneric) extendGenericInteger</error>;
//not compile
ChildNotGeneric superNumberCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.Integer>>' to 'UncheckedWarningWithCast.ChildNotGeneric'">(ChildNotGeneric) superGenericInteger</error>;
ChildNotGeneric superNotGenericCast = (ChildNotGeneric) notGenericInterface;
ChildNotGeneric extendNotGenericCast = (ChildNotGeneric) notGenericInterface;
}
public void testNotChildNotGeneric(GenericInterface raw,
GenericInterface<? super String> superGeneric,
GenericInterface<? extends CharSequence> extendGeneric,
GenericInterface<? super Integer> superGenericInteger,
GenericInterface<? extends Integer> extendGenericInteger,
NotGenericInterface notGenericInterface) {
NotChildNotGeneric notRaw = (NotChildNotGeneric) raw;
NotChildNotGeneric superCast = (NotChildNotGeneric) superGeneric;
NotChildNotGeneric extendCast = (NotChildNotGeneric) extendGeneric;
NotChildNotGeneric extendNumberCast = (NotChildNotGeneric) extendGenericInteger;
NotChildNotGeneric superNumberCast = (NotChildNotGeneric) superGenericInteger;
NotChildNotGeneric superNotGenericCast = (NotChildNotGeneric) notGenericInterface;
NotChildNotGeneric extendNotGenericCast = (NotChildNotGeneric) notGenericInterface;
}
public void testNotChildNotGenericClass(GenericInterface raw,
GenericInterface<? super String> superGeneric,
GenericInterface<? extends CharSequence> extendGeneric,
GenericInterface<? super Integer> superGenericInteger,
GenericInterface<? extends Integer> extendGenericInteger,
NotGenericInterface notGenericInterface) {
//not compile
NotChildNotGenericClass notRaw = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.GenericInterface' to 'UncheckedWarningWithCast.NotChildNotGenericClass'">(NotChildNotGenericClass) raw</error>;
//not compile
NotChildNotGenericClass superCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.NotChildNotGenericClass'">(NotChildNotGenericClass) superGeneric</error>;
//not compile
NotChildNotGenericClass extendCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.NotChildNotGenericClass'">(NotChildNotGenericClass) extendGeneric</error>;
//not compile
NotChildNotGenericClass extendNumberCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.Integer>>' to 'UncheckedWarningWithCast.NotChildNotGenericClass'">(NotChildNotGenericClass) extendGenericInteger</error>;
//not compile
NotChildNotGenericClass superNumberCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.Integer>>' to 'UncheckedWarningWithCast.NotChildNotGenericClass'">(NotChildNotGenericClass) superGenericInteger</error>;
//not compile
NotChildNotGenericClass superNotGenericCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.NotGenericInterface' to 'UncheckedWarningWithCast.NotChildNotGenericClass'">(NotChildNotGenericClass) notGenericInterface</error>;
//not compile
NotChildNotGenericClass extendNotGenericCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.NotGenericInterface' to 'UncheckedWarningWithCast.NotChildNotGenericClass'">(NotChildNotGenericClass) notGenericInterface</error>;
}
public void testChildNotGenericClass(GenericInterface raw,
GenericInterface<? super String> superGeneric,
GenericInterface<? extends CharSequence> extendGeneric,
GenericInterface<? super Integer> superGenericInteger,
GenericInterface<? extends Integer> extendGenericInteger,
NotGenericInterface notGenericInterface) {
ChildNotGenericClass notRaw = (ChildNotGenericClass) raw;
ChildNotGenericClass superCast = (ChildNotGenericClass) superGeneric;
ChildNotGenericClass extendCast = (ChildNotGenericClass) extendGeneric;
//not compile
ChildNotGenericClass extendNumberCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.Integer>>' to 'UncheckedWarningWithCast.ChildNotGenericClass'">(ChildNotGenericClass) extendGenericInteger</error>;
//not compile
ChildNotGenericClass superNumberCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.Integer>>' to 'UncheckedWarningWithCast.ChildNotGenericClass'">(ChildNotGenericClass) superGenericInteger</error>;
//not compile
ChildNotGenericClass superNotGenericCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.NotGenericInterface' to 'UncheckedWarningWithCast.ChildNotGenericClass'">(ChildNotGenericClass) notGenericInterface</error>;
//not compile
ChildNotGenericClass extendNotGenericCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.NotGenericInterface' to 'UncheckedWarningWithCast.ChildNotGenericClass'">(ChildNotGenericClass) notGenericInterface</error>;
}
public void testChildGenericNotCompatibleClass(GenericInterface raw,
GenericInterface<? super String> superGeneric,
GenericInterface<? extends CharSequence> extendGeneric,
GenericInterface<? super Integer> superGenericInteger,
GenericInterface<? extends Integer> extendGenericInteger,
NotGenericInterface notGenericInterface) {
ChildNotGenericClassNotCompatible notRaw = (ChildNotGenericClassNotCompatible) raw;
//not compile
ChildNotGenericClassNotCompatible superCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.ChildNotGenericClassNotCompatible'">(ChildNotGenericClassNotCompatible) superGeneric</error>;
//not compile
ChildNotGenericClassNotCompatible extendCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.GenericInterface<capture<? extends java.lang.CharSequence>>' to 'UncheckedWarningWithCast.ChildNotGenericClassNotCompatible'">(ChildNotGenericClassNotCompatible) extendGeneric</error>;
ChildNotGenericClassNotCompatible extendNumberCast = (ChildNotGenericClassNotCompatible) extendGenericInteger;
ChildNotGenericClassNotCompatible superNumberCast = (ChildNotGenericClassNotCompatible) superGenericInteger;
ChildNotGenericClassNotCompatible superNotGenericCast = (ChildNotGenericClassNotCompatible) notGenericInterface;
ChildNotGenericClassNotCompatible extendNotGenericCast = (ChildNotGenericClassNotCompatible) notGenericInterface;
}
public void testChildGenericNotFinalNotCompatibleClass(GenericInterface raw,
GenericInterface<? super String> superGeneric,
GenericInterface<? extends CharSequence> extendGeneric,
GenericInterface<? super Integer> superGenericInteger,
GenericInterface<? extends Integer> extendGenericInteger,
NotGenericInterface notGenericInterface) {
ChildNotGenericNotFinalClassNotCompatible notRaw = (ChildNotGenericNotFinalClassNotCompatible) raw;
//not compile
ChildNotGenericNotFinalClassNotCompatible superCast = <error descr="Inconvertible types; cannot cast 'UncheckedWarningWithCast.GenericInterface<capture<? super java.lang.String>>' to 'UncheckedWarningWithCast.ChildNotGenericNotFinalClassNotCompatible'">(ChildNotGenericNotFinalClassNotCompatible) superGeneric</error>;
ChildNotGenericNotFinalClassNotCompatible superNumberCast = (ChildNotGenericNotFinalClassNotCompatible) superGenericInteger;
ChildNotGenericNotFinalClassNotCompatible superNotGenericCast = (ChildNotGenericNotFinalClassNotCompatible) notGenericInterface;
ChildNotGenericNotFinalClassNotCompatible extendNotGenericCast = (ChildNotGenericNotFinalClassNotCompatible) notGenericInterface;
}
static class ClassMapperNumber implements UnaryOperator<Number> {
private Number in;
private Number out;
ClassMapperNumber(Number in, Number out) {
this.in = in;
this.out = out;
}
public Number apply(Number arg) {
return in.equals(arg) ? out : null;
}
}
}