Wed, 14 Apr 2010 12:23:29 +0100
6939618: Revert 'simple' diamond implementation
Summary: backout changeset for 6840638
Reviewed-by: jjg
1 /*
2 * Copyright 2006 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 */
24 /*
25 * @test
26 * @bug 6423972
27 * @summary Tests TypeParameter.getBounds.
28 * @author Scott Seligman
29 * @build TypeParamBounds
30 * @compile -processor TypeParamBounds -proc:only TypeParamBounds.java
31 */
33 import java.util.HashMap;
34 import java.util.List;
35 import java.util.Map;
36 import java.util.Set;
37 import javax.annotation.processing.*;
38 import javax.lang.model.SourceVersion;
39 import javax.lang.model.element.*;
40 import javax.lang.model.type.*;
41 import javax.lang.model.util.*;
43 @SupportedAnnotationTypes("*")
44 public class TypeParamBounds extends AbstractProcessor {
46 Elements elements;
47 Types types;
49 public void init(ProcessingEnvironment penv) {
50 super.init(penv);
51 elements = penv.getElementUtils();
52 types = penv.getTypeUtils();
53 }
55 public boolean process(Set<? extends TypeElement> annoTypes,
56 RoundEnvironment round) {
57 if (!round.processingOver())
58 doit(annoTypes, round);
59 return true;
60 }
62 @Override
63 public SourceVersion getSupportedSourceVersion() {
64 return SourceVersion.latest();
65 }
67 private void doit(Set<? extends TypeElement> annoTypes,
68 RoundEnvironment round) {
69 TypeElement gen = elements.getTypeElement("TypeParamBounds.Gen");
71 // For each type parameter of Gen, compare its bounds with the
72 // bounds that are expected.
73 //
74 for (TypeParameterElement tparam : gen.getTypeParameters()) {
75 System.out.println(tparam);
76 List<? extends TypeMirror> bounds = tparam.getBounds();
77 String[] expected = Gen.boundNames.get(tparam + "");
79 if (bounds.size() != expected.length)
80 throw new AssertionError();
81 int i = 0;
82 for (TypeMirror bound : bounds) {
83 Name got = types.asElement(bound).getSimpleName();
84 String shoulda = expected[i++];
85 System.out.println(" " + got);
86 if (!got.contentEquals(shoulda))
87 throw new AssertionError(shoulda);
88 }
89 }
90 }
93 // Fodder for the processor
95 static class Gen<T, U extends Object, V extends Number, W extends U,
96 X extends Runnable, Y extends CharSequence & Runnable,
97 Z extends Object & Runnable> {
99 // The names of the bounds of each type parameter of Gen.
100 static Map<String, String[]> boundNames =
101 new HashMap<String, String[]>();
103 static {
104 boundNames.put("T", new String[] {"Object"});
105 boundNames.put("U", new String[] {"Object"});
106 boundNames.put("V", new String[] {"Number"});
107 boundNames.put("W", new String[] {"U"});
108 boundNames.put("X", new String[] {"Runnable"});
109 boundNames.put("Y", new String[] {"CharSequence", "Runnable"});
110 boundNames.put("Z", new String[] {"Object", "Runnable"});
111 }
112 }
113 }