completing the set of AJDK examples coded up as test cases

1 files changed, 47 insertions, 0 deletions

diff --git a/tests/java5/covariance/ajdk/AJDKExamples.aj b/tests/java5/covariance/ajdk/AJDKExamples.aj
new file mode 100644
index 000000000..e7cb02383
--- /dev/null
+++ b/tests/java5/covariance/ajdk/AJDKExamples.aj
@@ -0,0 +1,47 @@
+public aspect AJDKExamples {
+	
+	declare warning : call(* whoAreYou())
+		: "call(* whoAreYou())";
+	
+	declare warning : call(* A.whoAreYou())
+        : "call(* A.whoAreYou())";
+
+	declare warning : call(A whoAreYou())
+        : "call(A whoAreYou())";
+
+	declare warning : call(A B.whoAreYou())
+        : "call(A B.whoAreYou())";
+
+	declare warning : call(A+ B.whoAreYou())
+        : "call(A+ B.whoAreYou())";
+
+	declare warning : call(B A.whoAreYou())
+        : "call(B A.whoAreYou())";
+
+	declare warning : call(B whoAreYou())
+        : "call(B whoAreYou())";
+
+	declare warning : call(B B.whoAreYou())
+        : "call(B B.whoAreYou())";
+	
+}
+
+class A {
+	  public A whoAreYou() { return this; }
+}
+	
+class B extends A {
+	  // override A.whoAreYou *and* narrow the return type.
+	  public B whoAreYou() { return this; }
+}
+
+class C {
+	
+	public C() {
+		A a = new A();
+		B b = new B();
+		a.whoAreYou();
+		b.whoAreYou();
+	}
+	
+}
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