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) 2006, 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 6427274 6347778 6469079
27 * @summary Various bugs fixed while writing Compiler API Guide
28 * @author Peter von der Ah\u0081
29 * @library ../lib
30 * @compile Test.java
31 * @run main Test
32 */
34 import javax.tools.*;
35 import java.io.File;
36 import java.util.Collections;
38 public class Test extends ToolTester {
40 public boolean success = false;
42 class DiagnosticTester implements DiagnosticListener<JavaFileObject> {
43 public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
44 if (diagnostic.getKind() == Diagnostic.Kind.NOTE) {
45 try {
46 // 6427274: FileObject.openReader throws exception
47 // 6347778: getSource() returns null for notes
48 diagnostic.getSource().openReader(true).getClass();
49 } catch (Exception ex) {
50 throw new AssertionError(ex);
51 }
52 success = true;
53 }
54 }
55 }
57 void test(String... args) throws Exception {
58 final Iterable<? extends JavaFileObject> compilationUnits =
59 fm.getJavaFileObjects(new File(test_src, "TestMe.java"));
60 task = tool.getTask(null, fm, new DiagnosticTester(), null, null, compilationUnits);
61 if (!task.call())
62 throw new AssertionError("Compilation failed");
63 if (!success)
64 throw new AssertionError("Did not see a NOTE");
65 // 6427274: openReader throws exception
66 fm.getFileForInput(StandardLocation.PLATFORM_CLASS_PATH,
67 "java.lang",
68 "Object.class").openReader(true).getClass();
69 DiagnosticCollector<JavaFileObject> diags = new DiagnosticCollector<JavaFileObject>();
70 task = tool.getTask(null, fm, diags, Collections.singleton("-Xlint:all"),
71 null, compilationUnits);
72 if (!task.call())
73 throw new AssertionError("Compilation failed");
74 String msg = diags.getDiagnostics().get(0).getMessage(null);
75 long lineno = diags.getDiagnostics().get(0).getLineNumber();
76 if (msg.contains(":"+lineno+":"))
77 // 6469079: Diagnostic.getMessage(Locale) includes line numbers
78 throw new AssertionError(msg);
79 }
81 public static void main(String... args) throws Exception {
82 new Test().test(args);
83 }
85 }