jdk-24/test/hotspot/jtreg/runtime/clone/DefaultClone.jasm
Harold Seigel 47bbcac667 8154587: Resolution fails for default method named 'clone'
Make sure default methods with the same names as those in j.l.Object get put in the default methods table where resolution can find them.

Reviewed-by: acorn, lfoltan
2017-12-15 11:23:50 -05:00

146 lines
4.5 KiB
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/*
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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
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*
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* 2 along with this work; if not, write to the Free Software Foundation,
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*/
/*
* @test
* @bug 8154587
* @summary Check that a default method named clone() does not get masked by
* java.lang.Object.clone() during resolution.
* @compile DefaultClone.jasm
* @run main DefaultClone
*/
// The below .jasm code implements the following java code:
//
// public class DefaultClone {
//
// interface I1 {
// default Object clone() {
// return "In I1's clone()";
// }
// }
//
//
// interface I2 extends I1 { }
//
//
// static class C implements I2 {
// public Object clone() {
// return "In C's clone()";
// }
// }
//
//
// static Object test(I2 i) { return i.clone(); }
//
// public static void main(String[] args) {
// String s = (String)test(new C());
// if (!s.equals("In C's clone()")) {
// throw new RuntimeException("Wrong clone() called");
// }
// }
// }
interface DefaultClone$I1 version 53:0 {
public Method clone:"()Ljava/lang/Object;" stack 1 locals 1 {
ldc String "In I1\'s clone()";
areturn;
}
static abstract interface InnerClass I1=class DefaultClone$I1 of class DefaultClone;
} // end Class DefaultClone$I1
interface DefaultClone$I2 implements DefaultClone$I1 version 53:0 {
static abstract interface InnerClass I2=class DefaultClone$I2 of class DefaultClone;
static abstract interface InnerClass I1=class DefaultClone$I1 of class DefaultClone;
} // end Class DefaultClone$I2
super class DefaultClone$C implements DefaultClone$I2 version 53:0 {
Method "<init>":"()V" stack 1 locals 1 {
aload_0;
invokespecial Method java/lang/Object."<init>":"()V";
return;
}
public Method clone:"()Ljava/lang/Object;" stack 1 locals 1 {
ldc String "In C\'s clone()";
areturn;
}
static InnerClass C=class DefaultClone$C of class DefaultClone;
static abstract interface InnerClass I2=class DefaultClone$I2 of class DefaultClone;
} // end Class DefaultClone$C
super public class DefaultClone version 53:0 {
public Method "<init>":"()V" stack 1 locals 1 {
aload_0;
invokespecial Method java/lang/Object."<init>":"()V";
return;
}
static Method test:"(LDefaultClone$I2;)Ljava/lang/Object;" stack 1 locals 1 {
aload_0;
invokeinterface InterfaceMethod DefaultClone$I2.clone:"()Ljava/lang/Object;", 1;
areturn;
}
public static Method main:"([Ljava/lang/String;)V" stack 3 locals 2 {
new class DefaultClone$C;
dup;
invokespecial Method DefaultClone$C."<init>":"()V";
invokestatic Method test:"(LDefaultClone$I2;)Ljava/lang/Object;";
checkcast class java/lang/String;
astore_1;
aload_1;
ldc String "In C\'s clone()";
invokevirtual Method java/lang/String.equals:"(Ljava/lang/Object;)Z";
ifne L33;
new class java/lang/RuntimeException;
dup;
ldc String "Wrong clone() called";
invokespecial Method java/lang/RuntimeException."<init>":"(Ljava/lang/String;)V";
athrow;
L33: stack_frame_type append;
locals_map class java/lang/String;
return;
}
static InnerClass C=class DefaultClone$C of class DefaultClone;
static abstract interface InnerClass I2=class DefaultClone$I2 of class DefaultClone;
static abstract interface InnerClass I1=class DefaultClone$I1 of class DefaultClone;
} // end Class DefaultClone