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import org.checkerframework.checker.lock.qual.*;
import org.checkerframework.dataflow.qual.*;
public class Overriding {
class SuperClass {
protected Object a, b, c;
@Holding("a")
void guardedByOne() {}
@Holding({"a", "b"})
void guardedByTwo() {}
@Holding({"a", "b", "c"})
void guardedByThree() {}
@ReleasesNoLocks
void rnlMethod() {
// :: error: (method.guarantee.violated)
mrlMethod();
rnlMethod();
implicitRnlMethod();
lfMethod();
}
void implicitRnlMethod() {
// :: error: (method.guarantee.violated)
mrlMethod();
rnlMethod();
implicitRnlMethod();
lfMethod();
}
@LockingFree
void lfMethod() {
// :: error: (method.guarantee.violated)
mrlMethod();
// :: error: (method.guarantee.violated)
rnlMethod();
// :: error: (method.guarantee.violated)
implicitRnlMethod();
lfMethod();
}
@MayReleaseLocks
void mrlMethod() {
mrlMethod();
rnlMethod();
implicitRnlMethod();
lfMethod();
}
@ReleasesNoLocks
void rnlMethod2() {}
void implicitRnlMethod2() {}
@LockingFree
void lfMethod2() {}
@MayReleaseLocks
void mrlMethod2() {}
@ReleasesNoLocks
void rnlMethod3() {}
void implicitRnlMethod3() {}
@LockingFree
void lfMethod3() {}
}
class SubClass extends SuperClass {
@Holding({"a", "b"}) // error
@Override
// :: error: (contracts.precondition.override.invalid)
void guardedByOne() {}
@Holding({"a", "b"})
@Override
void guardedByTwo() {}
@Holding({"a", "b"})
@Override
void guardedByThree() {}
@MayReleaseLocks
@Override
// :: error: (override.sideeffect.invalid)
void rnlMethod() {}
@MayReleaseLocks
@Override
// :: error: (override.sideeffect.invalid)
void implicitRnlMethod() {}
@ReleasesNoLocks
@Override
// :: error: (override.sideeffect.invalid)
void lfMethod() {}
@MayReleaseLocks
@Override
void mrlMethod() {}
@ReleasesNoLocks
@Override
void rnlMethod2() {}
@Override
void implicitRnlMethod2() {}
@LockingFree
@Override
void lfMethod2() {}
@ReleasesNoLocks
@Override
void mrlMethod2() {}
@LockingFree
@Override
void rnlMethod3() {}
@LockingFree
@Override
void implicitRnlMethod3() {}
@SideEffectFree
@Override
void lfMethod3() {}
}
// Test overriding @Holding with JCIP @GuardedBy.
class SubClassJcip extends SuperClass {
@net.jcip.annotations.GuardedBy({"a", "b"}) @Override
// :: error: (contracts.precondition.override.invalid)
void guardedByOne() {}
@net.jcip.annotations.GuardedBy({"a", "b"}) @Override
void guardedByTwo() {}
@net.jcip.annotations.GuardedBy({"a", "b"}) @Override
void guardedByThree() {}
}
// Test overriding @Holding with Javax @GuardedBy.
class SubClassJavax extends SuperClass {
@javax.annotation.concurrent.GuardedBy({"a", "b"}) @Override
// :: error: (contracts.precondition.override.invalid)
void guardedByOne() {}
@javax.annotation.concurrent.GuardedBy({"a", "b"}) @Override
void guardedByTwo() {}
@javax.annotation.concurrent.GuardedBy({"a", "b"}) @Override
void guardedByThree() {}
}
}
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