Fri, 27 Sep 2013 10:24:56 +0100
8024497: crash returning this-referencing lambda from default method
Reviewed-by: jjg, rfield
1 /*
2 * Copyright (c) 2013, 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 8009227
27 * @summary Certain diagnostics should not be deferred
28 */
30 import com.sun.source.util.JavacTask;
31 import java.io.BufferedWriter;
32 import java.io.File;
33 import java.io.FileWriter;
34 import java.io.IOException;
35 import java.util.Arrays;
36 import javax.tools.Diagnostic;
37 import javax.tools.JavaCompiler;
38 import javax.tools.JavaFileObject;
39 import javax.tools.SimpleJavaFileObject;
40 import javax.tools.ToolProvider;
42 public class CompletionFailure {
44 public static void main(String... args) throws Exception {
46 String SCRATCH_DIR = System.getProperty("user.dir");
47 JavaCompiler javacTool = ToolProvider.getSystemJavaCompiler();
48 File scratchDir = new File(SCRATCH_DIR);
50 sourceA.dumpTo(scratchDir);
51 sourceB.dumpTo(scratchDir);
53 JavacTask ct = (JavacTask)javacTool.getTask(null, null, null,
54 null, null, Arrays.asList(sourceA.asJFO(scratchDir), sourceB.asJFO(scratchDir)));
56 ct.generate();
58 remove(scratchDir, "A.java");
59 remove(scratchDir, "B.java");
60 remove(scratchDir, "A.class");
62 sourceC.dumpTo(scratchDir);
63 sourceD.dumpTo(scratchDir);
65 DiagnosticChecker diagChecker = new DiagnosticChecker();
66 ct = (JavacTask)javacTool.getTask(null, null, diagChecker,
67 Arrays.asList("-XDrawDiagnostics", "-cp", scratchDir.getAbsolutePath()),
68 null, Arrays.asList(sourceC.asJFO(scratchDir), sourceD.asJFO(scratchDir)));
69 try {
70 ct.analyze();
71 } catch (Throwable ex) {
72 //ignore abort exception thrown by javac
73 }
75 if (!diagChecker.errorFound) {
76 throw new AssertionError("Missing diagnostic");
77 }
78 }
80 static void remove(File dir, String fileName) {
81 File fileToRemove = new File(dir, fileName);
82 fileToRemove.delete();
83 }
85 static class JavaSource {
86 String contents;
87 String filename;
89 public JavaSource(String filename, String contents) {
90 this.filename = filename;
91 this.contents = contents;
92 }
94 void dumpTo(java.io.File loc) throws Exception {
95 File file = new File(loc, filename);
96 BufferedWriter bw = new java.io.BufferedWriter(new FileWriter(file));
97 bw.append(contents);
98 bw.close();
99 }
101 SimpleJavaFileObject asJFO(java.io.File dir) {
102 return new SimpleJavaFileObject(new File(dir, filename).toURI(), JavaFileObject.Kind.SOURCE) {
103 @Override
104 public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
105 return contents;
106 }
107 };
108 }
109 }
111 static JavaSource sourceA = new JavaSource("A.java", "public interface A { }\n");
113 static JavaSource sourceB = new JavaSource("B.java", "public class B implements A {\n" +
114 " public static Object n() { return null; }\n" +
115 "}\n");
117 static JavaSource sourceC = new JavaSource("C.java", "public class C {\n" +
118 " void test(B b) {\n" +
119 " D.m(B.n());\n" +
120 "} }\n");
122 static JavaSource sourceD = new JavaSource("D.java", "public class D {\n" +
123 " static void m(Object o) { }\n" +
124 "}\n");
126 static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> {
128 boolean errorFound;
130 public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
131 if (diagnostic.getKind() == Diagnostic.Kind.ERROR &&
132 diagnostic.getCode().contains("compiler.err.cant.access")) {
133 errorFound = true;
134 }
135 }
136 }
137 }