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import java.lang.annotation.*;
@Retention(RetentionPolicy.RUNTIME)
@interface Colored { String color();}
public class FieldAnnBinding2 {
@Colored(color="red") static int i;
@Colored(color="blue") String s;
@Colored(color="green") boolean b;
public static void main(String[]argv) {
FieldAnnBinding2 fab = new FieldAnnBinding2();
i = 5;
fab.s = "abc";
fab.b = true;
System.err.println("i="+fab.i);
System.err.println("s="+fab.s);
System.err.println("b="+fab.b);
X.verifyRun();
}
}
aspect X {
// Expected color order
static String exp[] = new String[]{"red","blue","green"};
static int i = 0; // Count of advice executions
before(Colored c): get(* *) && withincode(* main(..)) && @annotation(c) {
System.err.println(thisJoinPoint+" color="+c.color());
if (!c.color().equals(exp[i])) throw new RuntimeException("not "+exp[i]+"? "+c.color());
i++;
}
public static void verifyRun() {
if (X.i != exp.length)
throw new RuntimeException("Expected "+exp.length+" advice runs but did "+X.i);
}
}
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