1 /* 2 * Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 */ 23 24 /* 25 * @test 26 * @ bug 27 * @summary Regression test from odersky 28 * @author odersky 29 * 30 * @compile -source 1.5 BadTest2.java 31 */ 32 33 // this used to be a negative regression test, but when we 34 // added variance it started passing, undoubtedly due to 35 // bug fixes. The code looks OK. 36 class BadTest2 { 37 38 interface I {} 39 interface J {} 40 static class C implements I, J {} 41 static class D implements I, J {} 42 43 static class Main { 44 45 static C c = new C(); 46 static D d = new D(); 47 48 static <A> boolean equals(A x, A y) { return x.equals(y); } 49 50 public static void main(String[] args) { 51 equals(c, d); // infer A=I&J 52 } 53 } 54 55 }