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-
- import org.aspectj.testing.Tester;
- import org.aspectj.lang.*;
- import org.aspectj.lang.reflect.*;
-
- import java.util.Arrays;
-
- /** @testcase PR#764 check arg types with indeterminate prefix and suffix */
- public class IndeterminateArgType {
- public static void main (String[] args) {
- OTarget o;
- STarget c;
- // both pointcuts pick out args 1..3; neither picks out args 0
- // both actual Object and String match
- c = new STarget();
- c = new STarget("s1");
- c = new STarget("s1", "s2");
- c = new STarget("s1", "s2", "s3");
- c.f();
- c.f("s1");
- c.f("s1", "s2");
- c.f("s1", "s2", "s3");
- // String pointcut should match even though declared type is Object
- o = new OTarget();
- o = new OTarget("o1");
- o = new OTarget("o1", "o2");
- o = new OTarget("o1", "o2", "o3");
- o.f();
- o.f("o1");
- o.f("o1", "o2");
- o.f("o1", "o2", "o3");
-
- // only actual Object types match these
- Object input = new Object();
- o = new OTarget();
- o = new OTarget(input);
- o = new OTarget(input, input);
- o = new OTarget(input, input, input);
- o.f();
- o.f(input);
- o.f(input, input);
- o.f(input, input, input);
-
- Tester.checkEventsFromFile("IndeterminateArgType.events");
- }
- }
-
- interface Safe {}
- class OTarget implements Safe {
- OTarget() { }
- OTarget(Object s1) { }
- OTarget(Object s1, Object s2) { }
- OTarget(Object s1, Object s2, Object s3) { }
-
- void f() { }
- void f(Object s1) { }
- void f(Object s1, Object s2) { }
- void f(Object s1, Object s2, Object s3) { }
- }
-
- class STarget implements Safe {
- STarget() { }
- STarget(String s1) { }
- STarget(String s1, String s2) { }
- STarget(String s1, String s2, String s3) { }
-
- void f() { }
- void f(String s1) { }
- void f(String s1, String s2) { }
- void f(String s1, String s2, String s3) { }
- }
-
- class T {
- static void e(String s) {
- Tester.event(s);
- }
- }
-
- aspect A {
-
- String actualTypes(JoinPoint jp) { // XXX gather as utility
- Object[] types = jp.getArgs();
- StringBuffer sb = new StringBuffer();
- sb.append("[");
- for (int i = 0; i < types.length; i++) {
- sb.append(types[i].getClass().getName());
- if ((1+i) < types.length) {
- sb.append(", ");
- }
- }
- sb.append("]");
- return sb.toString();
- }
- void check(String pc, JoinPoint jp) {
- Class[] types = ((CodeSignature) jp.getSignature()).getParameterTypes();
- String name = jp.toLongString() + " " + actualTypes(jp) + ": " + pc;
- T.e(name);
- }
-
- pointcut safe() : call(Safe+.new(..)) || call(* Safe+.*(..));
-
- pointcut o1End() : args(.., Object);
- pointcut s1End() : args(.., String);
- pointcut o1Start() : args(Object, ..);
- pointcut s1Start() : args(String, ..);
-
- before() : safe() && o1Start() { check ("o1Start()", thisJoinPoint); }
- before() : safe() && o1End() { check ("o1End()", thisJoinPoint); }
- before() : safe() && s1Start() { check ("s1Start()", thisJoinPoint); }
- before() : safe() && s1End() { check ("s1End()", thisJoinPoint); }
- }
-
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