jdk

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/*
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 * Copyright (c) 2015, 2016, 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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 * @summary tests for subpackage issues
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 * @library /tools/lib
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 * @modules
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 *      jdk.compiler/com.sun.tools.javac.api
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 *      jdk.compiler/com.sun.tools.javac.main
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 * @build toolbox.ToolBox toolbox.JavacTask ModuleTestBase
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 * @run main SubpackageTest
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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.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import java.util.stream.Collectors;
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import toolbox.JavacTask;
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import toolbox.Task;
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import toolbox.ToolBox;
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public class SubpackageTest extends ModuleTestBase {
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    public static void main(String... args) throws Exception {
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        SubpackageTest t = new SubpackageTest();
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        t.runTests();
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    }
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    @Test // based on JDK-8075435
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    public void testUnnamedModule(Path base) throws Exception {
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        Path libsrc = base.resolve("lib/src");
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        tb.writeJavaFiles(libsrc,
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            "package p; public class E extends Error { }");
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        Path libclasses = base.resolve("lib/classes");
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        Files.createDirectories(libclasses);
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        new JavacTask(tb)
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                .outdir(libclasses)
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                .files(findJavaFiles(libsrc))
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                .run()
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                .writeAll();
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        Path src = base.resolve("src");
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        tb.writeJavaFiles(src,
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            """
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                package p.q;
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                import p.E;
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                class Test {
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                  void m() { throw new E(); }
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                }""");
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        Path classes = base.resolve("classes");
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        Files.createDirectories(classes);
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        new JavacTask(tb)
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                .classpath(libclasses)
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                .outdir(classes)
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                .files(findJavaFiles(src))
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                .run()
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                .writeAll();
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    }
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    @Test
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    public void testSimpleMulti(Path base) throws Exception {
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        Path src = base.resolve("src");
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        tb.writeJavaFiles(src.resolve("mp"),
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                "module mp { exports p; }",
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                "package p; public class C1 { }");
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        tb.writeJavaFiles(src.resolve("mpq"),
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                "module mpq { exports p.q; }",
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                "package p.q; public class C2 { }");
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        tb.writeJavaFiles(src.resolve("mpqr"),
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                "module mpqr { exports p.q.r; }",
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                "package p.q.r; public class C3 { }");
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        tb.writeJavaFiles(src.resolve("m"),
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                """
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                    module m {  requires mp;
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                      requires mpq;
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                      requires mpqr;
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                    }""",
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                """
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                    package x;
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                    class C {
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                      p.C1 c1;
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                      p.q.C2 c2;
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                      p.q.r.C3 c3;
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                    }""");
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        Path modules = base.resolve("modules");
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        Files.createDirectories(modules);
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        new JavacTask(tb)
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                .options("--module-source-path", src.toString())
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                .outdir(modules)
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                .files(findJavaFiles(src))
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                .run()
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                .writeAll();
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    }
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}
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