8211147: Incorrect comparator com.sun.beans.introspect.MethodInfo.MethodOrder
Reviewed-by: prr
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* version 2 for more details (a copy is included in the LICENSE file that
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* 2 along with this work; if not, write to the Free Software Foundation,
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*
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*/
import java.beans.Introspector;
import java.io.Serializable;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.AbstractCollection;
import java.util.AbstractList;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Comparator;
import java.util.List;
import java.util.RandomAccess;
/**
* @test
* @bug 8211147
* @modules java.desktop/com.sun.beans.introspect:open
*/
public final class MethodOrderException {
public static void main(final String[] args) throws Exception {
// Public API, fails rarely
testPublicAPI();
// Test using internal API, fails always
testPrivateAPI();
}
private static void testPublicAPI() throws Exception {
Introspector.getBeanInfo(X.class);
}
private static void testPrivateAPI() throws Exception {
Class<?> name = Class.forName(
"com.sun.beans.introspect.MethodInfo$MethodOrder");
Field instance = name.getDeclaredField("instance");
instance.setAccessible(true);
Comparator<Method> o = (Comparator) instance.get(name);
List<Method> methods = List.of(X.class.getDeclaredMethods());
methods.forEach(m1 -> {
methods.forEach(m2 -> {
if (o.compare(m1, m2) != -o.compare(m2, m1)) {
System.err.println("Method1 = "+ m1);
System.err.println("Method2 = "+ m2);
throw new RuntimeException("Broken contract!");
}
});
});
}
interface X_1 {
AbstractList x_8();
}
interface X_2 {
Cloneable x_0();
}
interface X_3 {
Serializable x_1();
}
interface X_4 {
Object x_7();
}
interface X_5 {
RandomAccess x_6();
}
interface X_6 {
RandomAccess x_0();
}
interface X_7 {
Serializable x_5();
}
interface X_8 {
Object x_4();
}
interface X_9 {
RandomAccess x_5();
}
interface X_10 {
Cloneable x_5();
}
interface X_11 {
RandomAccess x_9();
}
interface X_12 {
Cloneable x_9();
}
interface X_13 {
Iterable x_2();
}
interface X_14 {
Collection x_7();
}
interface X_15 {
Serializable x_4();
}
interface X_16 {
Cloneable x_7();
}
interface X_17 {
Object x_1();
}
interface X_18 {
ArrayList x_6();
}
interface X_19 {
List x_5();
}
interface X_20 {
Collection x_2();
}
interface X_21 {
List x_1();
}
interface X_22 {
List x_3();
}
interface X_23 {
RandomAccess x_3();
}
interface X_24 {
RandomAccess x_1();
}
interface X_25 {
Object x_6();
}
interface X_26 {
Cloneable x_7();
}
interface X_27 {
Iterable x_0();
}
interface X_28 {
Iterable x_1();
}
interface X_29 {
AbstractList x_7();
}
interface X_30 {
AbstractList x_1();
}
interface X_31 {
Cloneable x_9();
}
interface X_32 {
ArrayList x_6();
}
interface X_33 {
Cloneable x_2();
}
interface X_34 {
Iterable x_6();
}
interface X_35 {
Iterable x_9();
}
interface X_36 {
AbstractList x_9();
}
interface X_37 {
Iterable x_7();
}
interface X_38 {
Iterable x_3();
}
interface X_39 {
Iterable x_9();
}
interface X_40 {
AbstractList x_3();
}
interface X_41 {
List x_0();
}
interface X_42 {
Iterable x_0();
}
interface X_43 {
Iterable x_2();
}
interface X_44 {
ArrayList x_4();
}
interface X_45 {
AbstractList x_4();
}
interface X_46 {
Collection x_4();
}
interface X_47 {
ArrayList x_2();
}
interface X_48 {
ArrayList x_6();
}
interface X_49 {
Serializable x_1();
}
interface X_50 {
Cloneable x_7();
}
interface X_51 {
Collection x_5();
}
interface X_52 {
RandomAccess x_5();
}
interface X_53 {
Collection x_5();
}
interface X_54 {
RandomAccess x_4();
}
interface X_55 {
Collection x_0();
}
interface X_56 {
Collection x_7();
}
interface X_57 {
Iterable x_9();
}
interface X_58 {
List x_3();
}
interface X_59 {
Serializable x_7();
}
interface X_60 {
AbstractCollection x_6();
}
interface X_61 {
AbstractList x_9();
}
interface X_62 {
List x_7();
}
interface X_63 {
AbstractCollection x_3();
}
interface X_64 {
RandomAccess x_4();
}
interface X_65 {
Object x_3();
}
interface X_66 {
RandomAccess x_6();
}
interface X_67 {
Cloneable x_6();
}
interface X_68 {
Cloneable x_3();
}
interface X_69 {
Collection x_5();
}
interface X_70 {
AbstractCollection x_0();
}
interface X_71 {
Object x_8();
}
interface X_72 {
AbstractCollection x_3();
}
interface X_73 {
Serializable x_4();
}
interface X_74 {
AbstractList x_8();
}
interface X_75 {
ArrayList x_1();
}
interface X_76 {
List x_5();
}
interface X_77 {
Object x_0();
}
interface X_78 {
Collection x_0();
}
interface X_79 {
ArrayList x_2();
}
interface X_80 {
ArrayList x_8();
}
interface X_81 {
Cloneable x_3();
}
interface X_82 {
Serializable x_1();
}
interface X_83 {
List x_1();
}
interface X_84 {
Collection x_5();
}
interface X_85 {
RandomAccess x_9();
}
interface X_86 {
AbstractList x_3();
}
interface X_87 {
Cloneable x_6();
}
interface X_88 {
Object x_2();
}
interface X_89 {
ArrayList x_5();
}
interface X_90 {
Iterable x_1();
}
interface X_91 {
ArrayList x_4();
}
interface X_92 {
Iterable x_6();
}
interface X_93 {
Collection x_7();
}
interface X_94 {
Iterable x_2();
}
interface X_95 {
AbstractList x_7();
}
interface X_96 {
RandomAccess x_2();
}
interface X_97 {
RandomAccess x_2();
}
interface X_98 {
List x_6();
}
interface X_99 {
Object x_4();
}
interface X_100 {
Collection x_7();
}
static class X
implements X_1, X_2, X_3, X_4, X_5, X_6, X_7, X_8, X_9, X_10, X_11,
X_12, X_13, X_14, X_15, X_16, X_17, X_18, X_19, X_20,
X_21, X_22, X_23, X_24, X_25, X_26, X_27, X_28, X_29,
X_30, X_31, X_32, X_33, X_34, X_35, X_36, X_37, X_38,
X_39, X_40, X_41, X_42, X_43, X_44, X_45, X_46, X_47,
X_48, X_49, X_50, X_51, X_52, X_53, X_54, X_55, X_56,
X_57, X_58, X_59, X_60, X_61, X_62, X_63, X_64, X_65,
X_66, X_67, X_68, X_69, X_70, X_71, X_72, X_73, X_74,
X_75, X_76, X_77, X_78, X_79, X_80, X_81, X_82, X_83,
X_84, X_85, X_86, X_87, X_88, X_89, X_90, X_91, X_92,
X_93, X_94, X_95, X_96, X_97, X_98, X_99, X_100 {
public ArrayList x_0() {
return null;
}
public ArrayList x_1() {
return null;
}
public ArrayList x_2() {
return null;
}
public ArrayList x_3() {
return null;
}
public ArrayList x_4() {
return null;
}
public ArrayList x_5() {
return null;
}
public ArrayList x_6() {
return null;
}
public ArrayList x_7() {
return null;
}
public ArrayList x_8() {
return null;
}
public ArrayList x_9() {
return null;
}
}
}