1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/AnonymousSubclassTest.java Tue Apr 15 17:09:56 2014 -0400
1.3 @@ -0,0 +1,91 @@
1.4 +/*
1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @bug 8023945
1.30 + * @summary javac wrongly allows a subclass of an anonymous class
1.31 + * @library /tools/javac/lib
1.32 + * @build ToolBox
1.33 + * @run main AnonymousSubclassTest
1.34 + */
1.35 +
1.36 +import java.util.ArrayList;
1.37 +import java.io.IOException;
1.38 +
1.39 +public class AnonymousSubclassTest {
1.40 + public static void main(String... args) throws Exception {
1.41 + new AnonymousSubclassTest().run();
1.42 + }
1.43 +
1.44 + // To trigger the error we want, first we need to compile
1.45 + // a class with an anonymous inner class: Foo$1.
1.46 + final String foo =
1.47 + "public class Foo {" +
1.48 + " void m() { Foo f = new Foo() {}; }" +
1.49 + "}";
1.50 +
1.51 + // Then, we try to subclass the anonymous class
1.52 + // Note: we must do this in two classes because a different
1.53 + // error will be generated if we don't load Foo$1 through the
1.54 + // class reader.
1.55 + final String test1 =
1.56 + "public class Test1 {" +
1.57 + " void m() {"+
1.58 + " Foo f1 = new Foo();"+
1.59 + " Foo f2 = new Foo$1(f1) {};"+
1.60 + " }" +
1.61 + "}";
1.62 +
1.63 + final String test2 =
1.64 + "public class Test2 {" +
1.65 + " class T extends Foo$1 {" +
1.66 + " public T(Foo f) { super(f); }" +
1.67 + " }"+
1.68 + "}";
1.69 +
1.70 + void compOk(String code) throws Exception {
1.71 + ToolBox.javac(new ToolBox.JavaToolArgs().setSources(code));
1.72 + }
1.73 +
1.74 + void compFail(String code) throws Exception {
1.75 + ArrayList<String> errors = new ArrayList<>();
1.76 + ToolBox.JavaToolArgs args = new ToolBox.JavaToolArgs();
1.77 + args.setSources(code)
1.78 + .appendArgs("-cp", ".", "-XDrawDiagnostics")
1.79 + .set(ToolBox.Expect.FAIL)
1.80 + .setErrOutput(errors);
1.81 + ToolBox.javac(args);
1.82 +
1.83 + if (!errors.get(0).contains("cant.inherit.from.anon")) {
1.84 + System.out.println(errors.get(0));
1.85 + throw new Exception("test failed");
1.86 + }
1.87 + }
1.88 +
1.89 + void run() throws Exception {
1.90 + compOk(foo);
1.91 + compFail(test1);
1.92 + compFail(test2);
1.93 + }
1.94 +}
