Mon, 24 Oct 2011 13:00:30 +0100
7098660: Write better overload resolution/inference tests
Summary: Add overload/inference debug diagnostics - added test harness using annotations to check outcome of overload resolution/inference
Reviewed-by: jjg
1 /*
2 * Copyright (c) 2008, 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 */
24 /*
25 * @test
26 * @bug 6443132 6406133 6597678
27 * @summary Compiler API ignores locale settings
28 * @author Maurizio Cimadamore
29 * @library ../lib
30 */
32 import javax.tools.*;
33 import javax.annotation.processing.*;
34 import javax.lang.model.element.*;
35 import java.util.*;
36 import java.io.*;
38 public class T6406133 extends ToolTester {
40 List<Locale> locales = Arrays.asList(Locale.US, Locale.JAPAN, Locale.CHINA);
42 class DiagnosticTester implements DiagnosticListener<JavaFileObject> {
43 Locale locale;
44 String result;
46 DiagnosticTester(Locale locale) {
47 this.locale = locale;
48 }
49 public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
50 result = diagnostic.getMessage(locale); //6406133
51 }
52 }
54 class ProcessorTester extends AbstractProcessor {
56 Locale locale;
58 public Set<String> getSupportedAnnotationTypes() {
59 return new HashSet<String>(Arrays.asList("*"));
60 }
62 public void init(ProcessingEnvironment env) {
63 locale = env.getLocale();
64 }
66 public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
67 return true;
68 }
69 }
71 void compare(Locale loc1, Locale loc2, boolean useListener) {
72 String res1 = exec(useListener, loc1);
73 String res2 = exec(useListener, loc2);
74 boolean success = (loc1.equals(loc2) && res1.equals(res2)) ||
75 (!loc1.equals(loc2) && !res1.equals(res2));
76 if (!success)
77 throw new AssertionError("Error in diagnostic localization");
78 }
80 String exec(boolean useListener, Locale locale) {
81 final Iterable<? extends JavaFileObject> compilationUnits =
82 fm.getJavaFileObjects(new File(test_src, "Erroneous.java"));
83 StringWriter pw = new StringWriter();
84 DiagnosticTester listener = useListener ? new DiagnosticTester(locale) : null;
85 ProcessorTester processor = new ProcessorTester();
86 task = tool.getTask(pw, fm, listener, null, null, compilationUnits);
87 task.setProcessors(Arrays.asList(processor));
88 task.setLocale(locale); //6443132
89 task.call();
90 if (!processor.locale.equals(locale))
91 throw new AssertionError("Error in diagnostic localization during annotation processing");
92 String res = useListener ? listener.result : pw.toString();
93 System.err.println("[locale:"+ locale + ", listener:" + useListener + "] " +res);
94 return res;
95 }
97 void test() {
98 for (Locale l1 : locales) {
99 for (Locale l2 : locales) {
100 compare(l1, l2, true);
101 compare(l1, l2, false);
102 }
103 }
104 }
106 public static void main(String... args) throws Exception {
107 new T6406133().test();
108 }
109 }