jdk

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/*
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 * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**
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 * @test
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 * @bug 8178701
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 * @summary Check javac can generate code for protected enums accessible through subclassing.
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 * @library /tools/lib
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 * @modules jdk.compiler/com.sun.tools.javac.api
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 *          jdk.compiler/com.sun.tools.javac.main
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 *          jdk.compiler/com.sun.tools.javac.util
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 * @build toolbox.ToolBox toolbox.JavacTask
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 * @run main EnumAccessible
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*/
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.List;
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import java.util.Objects;
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import toolbox.TestRunner;
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import toolbox.JavacTask;
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import toolbox.JavaTask;
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import toolbox.Task;
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import toolbox.ToolBox;
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public class EnumAccessible extends TestRunner {
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    ToolBox tb;
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    public static void main(String... args) throws Exception {
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        new EnumAccessible().runTests();
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    }
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    EnumAccessible() {
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        super(System.err);
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        tb = new ToolBox();
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    }
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    public void runTests() throws Exception {
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        runTests(m -> new Object[] { Paths.get(m.getName()) });
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    }
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    @Test
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    public void testPattern(Path base) throws Exception {
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        Path current = base.resolve(".");
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        Path src = current.resolve("src");
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        Path classes = current.resolve("classes");
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        tb.writeJavaFiles(src,
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                          """
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                          package foo;
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                          import bar.D.E;
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                          public class A {
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                              public static class B {
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                                  protected enum C {
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                                      X, Y, Z
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                                  }
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                              }
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                              public static void main(String... args) {
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                                  new E().run(B.C.X);
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                              }
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                          }
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                          """,
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                          """
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                          package bar;
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                          import foo.A.B;
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                          public class D {
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                              public static class E extends B {
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                                  public void run(C arg) {
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                                      switch (arg) {
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                                          default: System.out.println("OK");
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                                      }
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                                  }
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                              }
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                          }
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                          """);
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        Files.createDirectories(classes);
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        new JavacTask(tb)
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            .options("-doe")
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            .outdir(classes)
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            .files(tb.findJavaFiles(src))
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            .run(Task.Expect.SUCCESS)
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            .writeAll();
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        var out = new JavaTask(tb)
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                .classpath(classes.toString())
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                .className("foo.A")
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                .run()
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                .writeAll()
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                .getOutputLines(Task.OutputKind.STDOUT);
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        var expectedOut = List.of("OK");
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        if (!Objects.equals(expectedOut, out)) {
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            throw new AssertionError("Incorrect Output, expected: " + expectedOut +
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                                      ", actual: " + out);
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        }
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    }
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}
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