1 /* 2 * Copyright (c) 2006, 2015, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6346973 27 * @summary directSupertypes(t) should not return t 28 * @author Scott Seligman 29 * @library /tools/javac/lib 30 * @modules java.compiler 31 * jdk.compiler 32 * @build JavacTestingAbstractProcessor DirectSupersOfErr 33 * @compile/fail/ref=DirectSupersOfErr.ref -processor DirectSupersOfErr -proc:only -XDrawDiagnostics C1.java 34 */ 35 36 import java.util.Set; 37 import javax.annotation.processing.*; 38 import javax.lang.model.element.*; 39 import javax.lang.model.type.*; 40 import javax.lang.model.util.*; 41 import static javax.lang.model.util.ElementFilter.*; 42 43 public class DirectSupersOfErr extends JavacTestingAbstractProcessor { process(Set<? extends TypeElement> tes, RoundEnvironment round)44 public boolean process(Set<? extends TypeElement> tes, 45 RoundEnvironment round) { 46 if (round.processingOver()) return true; 47 48 for (TypeElement te : typesIn(round.getRootElements())) { 49 TypeMirror sup = te.getSuperclass(); 50 for (TypeMirror supOfSup : types.directSupertypes(sup)) { 51 if (sup == supOfSup) 52 throw new AssertionError("I'm my own supertype."); 53 } 54 } 55 return true; 56 } 57 } 58