Thu, 25 Jul 2013 14:51:40 +0100
8020843: javac crashes on accessibility check with method reference with typevar receiver
Summary: method reference overload check doesn't walk through type-variable receivers
Reviewed-by: jjg
1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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13 * accompanied this code).
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15 * You should have received a copy of the GNU General Public License version
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 */
24 /**
25 * @test
26 * @bug 8003280
27 * @summary Add lambda tests
28 * Test instance method reference
29 * @compile MethodRef2.java
30 * @run main MethodRef2
31 */
33 public class MethodRef2 {
35 static interface A {String m();}
37 static interface B {String m(int i);}
39 private static void assertTrue(boolean cond) {
40 if (!cond)
41 throw new AssertionError();
42 }
44 String moo() {
45 return "moo";
46 }
48 String wahoo() {
49 return "wahoo";
50 }
52 String wahoo(int x) {
53 return "wahoo " + x;
54 }
56 public static void main(String[] args) {
58 MethodRef2 mr = new MethodRef2();
60 A a = mr::moo; //instance reference to moo()
61 assertTrue( a.m().equals("moo") );
63 a = new MethodRef2()::wahoo; //instance reference to wahoo()
64 assertTrue( a.m().equals("wahoo") );
66 B b = mr::wahoo; //instance reference to wahoo(int)
67 assertTrue( b.m(4).equals("wahoo 4") );
68 }
69 }