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import org.checkerframework.dataflow.qual.Pure;
import org.checkerframework.framework.qual.RequiresQualifier;
import org.checkerframework.framework.test.*;
import testlib.util.*;
// various tests for the precondition mechanism
class FieldShadowing {
String f;
class Sub extends FieldShadowing {
String f;
@Pure
@RequiresQualifier(expression = "f", qualifier = Odd.class)
int reqSub() {
@Odd String l2 = f;
// :: error: (assignment.type.incompatible)
@Odd String l1 = super.f;
int i;
i = 1;
return 1;
}
@Pure
@RequiresQualifier(expression = "super.f", qualifier = Odd.class)
int reqSuper() {
// :: error: (assignment.type.incompatible)
@Odd String l2 = f;
@Odd String l1 = super.f;
return 1;
}
void t1(@Odd String p1) {
f = p1;
// :: error: (contracts.precondition.not.satisfied)
reqSuper();
reqSub();
}
void t2(@Odd String p1) {
super.f = p1;
// :: error: (contracts.precondition.not.satisfied)
reqSub();
reqSuper();
}
}
}
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