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Java example source code file (T6942366.java)

This example Java source code file (T6942366.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

arraylist, datainputstream, exception, file, fileinputstream, list, string, t6942366, util

The T6942366.java Java example source code

/*
 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 6942366
 * @summary javadoc no longer inherits doc from sourcepath
 * @build p.Base Test
 * @run main T6942366
 */

import java.io.*;
import java.util.*;

public class T6942366 {
    public static void main(String... args) throws Exception {
        new T6942366().run();
    }

    File testSrc;
    File testClasses;
    int count;
    int errors;

    void run() throws Exception {
        testSrc = new File(System.getProperty("test.src"));
        testClasses = new File(System.getProperty("test.classes"));

        test(true,  false);
        test(false, true);
        test(true,  true);

        if (errors > 0)
            throw new Exception(errors + " errors found");
    }

    void test(boolean useSourcePath, boolean useClassPath) throws Exception {
        System.out.println("test " + (++count) + " sp:" + useSourcePath + " cp:" + useClassPath);
        File testDir = new File("test" + count);
        testDir.mkdirs();

        List<String> args = new ArrayList();
        //args.add("-verbose");
        args.add("-d");
        args.add(testDir.getPath());
        if (useSourcePath) {
            args.add("-sourcepath");
            args.add(testSrc.getPath());
        }
        if (useClassPath) {
            args.add("-classpath");
            args.add(testClasses.getPath());
        } else {
            // override classpath to avoid stuff jtreg might have put on papth
            args.add("-classpath");
            args.add(".");
        }

        // use a very simple bootclasspath to avoid stuff jtreg might have put on path
        File javaHome = new File(System.getProperty("java.home"));
        File rt_jar = new File(javaHome, "lib/rt.jar");
        if (!rt_jar.exists())
            throw new Exception("rt.jar not found");
        args.add("-bootclasspath");
        args.add(rt_jar.getPath());

        args.add(new File(testSrc, "Test.java").getPath());
        System.out.println("javadoc: " + args);

        int rc = com.sun.tools.javadoc.Main.execute(args.toArray(new String[args.size()]));
        if (rc != 0)
            throw new Exception("unexpected exit from javadoc, rc=" + rc);

        if (useSourcePath && useClassPath) {
            long srcLastMod = new File(testSrc, "Test.java").lastModified();
            long classLastMod = new File(testClasses, "Test.class").lastModified();
            System.out.println("Test.java last modified:  " + new Date(srcLastMod));
            System.out.println("Test.class last modified: " + new Date(classLastMod));
            System.out.println((srcLastMod > classLastMod ? "source" : "class") + " is newer");
        }

        String s = "javadoc-for-Base.m";
        boolean expect = useSourcePath;
        boolean found = contains(new File(testDir, "Test.html"), s);
        if (found) {
            if (expect)
                System.out.println("javadoc content \"" + s + "\" found, as expected");
            else
                error("javadoc content \"" + s + "\" found unexpectedly");
        } else {
            if (expect)
                error("javadoc content \"" + s + "\" not found");
            else
                System.out.println("javadoc content \"" + s + "\" not found, as expected");
        }

        System.out.println();
    }

    boolean contains(File f, String s) throws Exception {
        byte[] buf = new byte[(int) f.length()];
        try (DataInputStream in = new DataInputStream(new FileInputStream(f))) {
            in.readFully(buf);
        }
        return new String(buf).contains(s);
    }

    void error(String msg) {
        System.out.println("Error: " + msg);
        errors++;
    }

}

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