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import org.aspectj.testing.Tester;
/**
* PR#476:
* Member initializations are run after explicit
* constructor calls ("this()") when they should be run beforehand.
* The following program would produce a NullPointerException because
* 'member' is set to null *after* the explicit constructor sets it
* to "correctValue".
*/
public class MemberInitializationsAfterExplicitConstructorCalls {
public static void main(String[] args) {
// passes - no constructor call to this
ThisCall thisCall = new ThisCall("foo");
thisCall.go();
// fails - constructor call to this
thisCall = new ThisCall();
thisCall.go();
}
static class ThisCall {
String init = "INIT";
String member = null;
/** set init and member to input */
ThisCall(String input) {
this.init = input;
this.member = input;
}
ThisCall() {
this("correctValue");
Tester.check(!"INIT".equals(init), "String constructor: !\"INIT\".equals(init)");
Tester.check(null != member, "String constructor: null != member");
// get NPE here if using member
}
void go() {
Tester.check(!"INIT".equals(init), "instance method: !\"INIT\".equals(init)");
Tester.check(null != member, "instance method: null != member");
// get NPE here if using member
}
}
}
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