jdk

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/*
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 * Copyright (c) 2008, 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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 * @bug 6508981
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 * @summary cleanup file separator handling in JavacFileManager
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 * (This test is specifically to test the new impl of inferBinaryName)
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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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 * @build toolbox.ToolBox toolbox.JarTask p.A
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 * @run main TestInferBinaryName
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 */
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import java.io.*;
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import java.util.*;
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import javax.tools.*;
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import static javax.tools.JavaFileObject.Kind.*;
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import static javax.tools.StandardLocation.*;
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import toolbox.JarTask;
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import toolbox.ToolBox;
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/**
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 * Verify the various implementations of inferBinaryName, but configuring
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 * different instances of a file manager, getting a file object, and checking
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 * the impl of inferBinaryName for that file object.
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 */
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public class TestInferBinaryName {
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    public static void main(String... args) throws Exception {
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        new TestInferBinaryName().run();
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    }
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    void run() throws Exception {
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        testDirectory();
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        File testJar = createJar();
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        testZipArchive(testJar);
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        if (errors > 0)
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            throw new Exception(errors + " error found");
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    }
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    File createJar() throws IOException {
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        File f = new File("test.jar");
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        try (JavaFileManager fm = ToolProvider.getSystemJavaCompiler()
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                .getStandardFileManager(null, null, null)) {
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            ToolBox tb = new ToolBox();
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            new JarTask(tb, f.getPath())
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                .files(fm, StandardLocation.PLATFORM_CLASS_PATH, "java.lang.*")
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                .run();
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        }
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        return f;
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    }
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    void testDirectory() throws IOException {
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        String testClassName = "p.A";
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        List<File> testClasses = Arrays.asList(new File(System.getProperty("test.classes")));
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        try (JavaFileManager fm = getFileManager(testClasses)) {
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            test("testDirectory",
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                fm, testClassName, "SimpleFileObject");
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        }
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    }
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    void testZipArchive(File testJar) throws IOException {
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        String testClassName = "java.lang.String";
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        List<File> path = Arrays.asList(testJar);
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        try (JavaFileManager fm = getFileManager(path)) {
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            test("testZipArchive",
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                 fm, testClassName, "JarFileObject");
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        }
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    }
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    /**
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     * @param testName for debugging
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     * @param fm suitably configured file manager
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     * @param testClassName the classname to test
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     * @param implClassName the expected classname of the JavaFileObject impl,
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     *     used for checking that we are checking the expected impl of
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     *     inferBinaryName
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     */
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    void test(String testName,
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              JavaFileManager fm, String testClassName, String implClassName) throws IOException {
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        JavaFileObject fo = fm.getJavaFileForInput(CLASS_PATH, testClassName, CLASS);
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        if (fo == null) {
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            System.err.println("Can't find " + testClassName);
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            errors++;
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            return;
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        }
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        String cn = fo.getClass().getSimpleName();
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        String bn = fm.inferBinaryName(CLASS_PATH, fo);
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        System.err.println(testName + " " + cn + " " + bn);
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        checkEqual(cn, implClassName);
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        checkEqual(bn, testClassName);
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        System.err.println("OK");
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    }
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    JavaFileManager getFileManager(List<File> path)
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            throws IOException {
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        StandardJavaFileManager fm = ToolProvider.getSystemJavaCompiler()
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                .getStandardFileManager(null, null, null);
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        fm.setLocation(CLASS_PATH, path);
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        return fm;
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    }
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    List<File> getPath(String s) {
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        List<File> path = new ArrayList<>();
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        for (String f: s.split(File.pathSeparator)) {
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            if (f.length() > 0)
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                path.add(new File(f));
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        }
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        //System.err.println("path: " + path);
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        return path;
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    }
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    void checkEqual(String found, String expect) {
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        if (!found.equals(expect)) {
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            System.err.println("Expected: " + expect);
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            System.err.println("   Found: " + found);
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            errors++;
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        }
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    }
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    private int errors;
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}
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class A { }
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