Fri, 24 Apr 2020 03:58:51 +0100
Merge
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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 /*
27 * @test
28 * @bug 8024437
29 * @summary Inferring the exception thrown by a lambda: sometimes fails to compile
30 * @library /tools/javac/lib
31 * @build ToolBox
32 * @run main ExceptionInferenceFromClassFileTest
33 */
35 import java.nio.file.Files;
36 import java.nio.file.Paths;
38 public class ExceptionInferenceFromClassFileTest {
40 static final String ABSrc =
41 "class B {\n" +
42 " public static <E extends Throwable> void t(A<E> a) throws E {\n" +
43 " a.run();\n" +
44 " }\n" +
45 "}\n" +
47 "interface A<E extends Throwable> {\n" +
48 " void run() throws E;\n" +
49 "}";
51 static final String CSrc =
52 "class C {\n" +
53 " public void d() {\n" +
54 " B.t(null);\n" +
55 " }\n" +
56 "}";
58 public static void main(String[] args) throws Exception {
59 Files.createDirectory(Paths.get("out"));
61 ToolBox.JavaToolArgs compileABParams =
62 new ToolBox.JavaToolArgs()
63 .setOptions("-d", "out")
64 .setSources(ABSrc);
65 ToolBox.javac(compileABParams);
67 ToolBox.JavaToolArgs compileCParams =
68 new ToolBox.JavaToolArgs()
69 .setOptions("-d", "out", "-cp", "out")
70 .setSources(CSrc);
71 ToolBox.javac(compileCParams);
72 }
74 }