1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/test/tools/javac/processing/model/element/TypeParamBounds.java Wed Apr 27 01:34:52 2016 +0800 1.3 @@ -0,0 +1,97 @@ 1.4 +/* 1.5 + * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + */ 1.26 + 1.27 +/* 1.28 + * @test 1.29 + * @bug 6423972 1.30 + * @summary Tests TypeParameter.getBounds. 1.31 + * @author Scott Seligman 1.32 + * @library /tools/javac/lib 1.33 + * @build JavacTestingAbstractProcessor TypeParamBounds 1.34 + * @compile -processor TypeParamBounds -proc:only TypeParamBounds.java 1.35 + */ 1.36 + 1.37 +import java.util.HashMap; 1.38 +import java.util.List; 1.39 +import java.util.Map; 1.40 +import java.util.Set; 1.41 +import javax.annotation.processing.*; 1.42 +import javax.lang.model.SourceVersion; 1.43 +import javax.lang.model.element.*; 1.44 +import javax.lang.model.type.*; 1.45 +import javax.lang.model.util.*; 1.46 + 1.47 +public class TypeParamBounds extends JavacTestingAbstractProcessor { 1.48 + public boolean process(Set<? extends TypeElement> annoTypes, 1.49 + RoundEnvironment round) { 1.50 + if (!round.processingOver()) 1.51 + doit(annoTypes, round); 1.52 + return true; 1.53 + } 1.54 + 1.55 + private void doit(Set<? extends TypeElement> annoTypes, 1.56 + RoundEnvironment round) { 1.57 + TypeElement gen = elements.getTypeElement("TypeParamBounds.Gen"); 1.58 + 1.59 + // For each type parameter of Gen, compare its bounds with the 1.60 + // bounds that are expected. 1.61 + // 1.62 + for (TypeParameterElement tparam : gen.getTypeParameters()) { 1.63 + System.out.println(tparam); 1.64 + List<? extends TypeMirror> bounds = tparam.getBounds(); 1.65 + String[] expected = Gen.boundNames.get(tparam + ""); 1.66 + 1.67 + if (bounds.size() != expected.length) 1.68 + throw new AssertionError(); 1.69 + int i = 0; 1.70 + for (TypeMirror bound : bounds) { 1.71 + Name got = types.asElement(bound).getSimpleName(); 1.72 + String shoulda = expected[i++]; 1.73 + System.out.println(" " + got); 1.74 + if (!got.contentEquals(shoulda)) 1.75 + throw new AssertionError(shoulda); 1.76 + } 1.77 + } 1.78 + } 1.79 + 1.80 + 1.81 + // Fodder for the processor 1.82 + static class Gen<T, U extends Object, V extends Number, W extends U, 1.83 + X extends Runnable, Y extends CharSequence & Runnable, 1.84 + Z extends Object & Runnable> { 1.85 + 1.86 + // The names of the bounds of each type parameter of Gen. 1.87 + static Map<String, String[]> boundNames = 1.88 + new HashMap<String, String[]>(); 1.89 + 1.90 + static { 1.91 + boundNames.put("T", new String[] {"Object"}); 1.92 + boundNames.put("U", new String[] {"Object"}); 1.93 + boundNames.put("V", new String[] {"Number"}); 1.94 + boundNames.put("W", new String[] {"U"}); 1.95 + boundNames.put("X", new String[] {"Runnable"}); 1.96 + boundNames.put("Y", new String[] {"CharSequence", "Runnable"}); 1.97 + boundNames.put("Z", new String[] {"Object", "Runnable"}); 1.98 + } 1.99 + } 1.100 +}