Java example source code file (TestSpecialArgs.java)

This example Java source code file (TestSpecialArgs.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

app_icon_, app_name_, environmentvariables, error, java_main_class_, map, runtimeexception, set, string, testhelper, testresult, util, xdock\:icon\=testappicon, xdock\:name\=testappname, xstartonfirstthread

The TestSpecialArgs.java Java example source code

/*
 * Copyright (c) 2012, 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 7124089 7131021
 * @summary Checks for MacOSX specific flags are accepted or rejected, and
 *          MacOSX platforms specific environment is consistent.
 * @compile -XDignore.symbol.file TestSpecialArgs.java EnvironmentVariables.java
 * @run main TestSpecialArgs
 */
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

public class TestSpecialArgs extends TestHelper {

    public static void main(String... args) {
        final Map<String, String> envMap = new HashMap<>();
        envMap.put("_JAVA_LAUNCHER_DEBUG", "true");

        TestResult tr = doExec(envMap, javaCmd, "-XstartOnFirstThread", "-version");
        if (isMacOSX) {
            if (!tr.contains("In same thread")) {
                System.out.println(tr);
                throw new RuntimeException("Error: not running in the same thread ?");
            }
            if (!tr.isOK()) {
                System.out.println(tr);
                throw new RuntimeException("Error: arg was rejected ????");
            }
        } else {
            if (tr.isOK()) {
                System.out.println(tr);
                throw new RuntimeException("Error: argument was accepted ????");
            }
        }

        tr = doExec(javaCmd, "-Xdock:/tmp/not-available", "-version");
        if (isMacOSX) {
            if (!tr.isOK()) {
                System.out.println(tr);
                throw new RuntimeException("Error: arg was rejected ????");
            }
        } else {
            if (tr.isOK()) {
                System.out.println(tr);
                throw new RuntimeException("Error: argument was accepted ????");
            }
        }
        // MacOSX specific tests ensue......
        if (!isMacOSX)
            return;
        Set<String> envToRemove = new HashSet<>();
        Map<String, String> map = System.getenv();
        for (String s : map.keySet()) {
            if (s.startsWith("JAVA_MAIN_CLASS_")
                    || s.startsWith("APP_NAME_")
                    || s.startsWith("APP_ICON_")) {
                envToRemove.add(s);
            }
        }
        runTest(envToRemove, javaCmd, "-cp", TEST_CLASSES_DIR.getAbsolutePath(),
                "EnvironmentVariables", "JAVA_MAIN_CLASS_*",
                "EnvironmentVariables");

        runTest(envToRemove, javaCmd, "-cp", TEST_CLASSES_DIR.getAbsolutePath(),
                "-Xdock:name=TestAppName", "EnvironmentVariables",
                "APP_NAME_*", "TestAppName");

        runTest(envToRemove, javaCmd, "-cp", TEST_CLASSES_DIR.getAbsolutePath(),
                "-Xdock:icon=TestAppIcon", "EnvironmentVariables",
                "APP_ICON_*", "TestAppIcon");
    }

    static void runTest(Set<String> envToRemove, String... args) {
        TestResult tr = doExec(null, envToRemove, args);
        if (!tr.isOK()) {
            System.err.println(tr.toString());
            throw new RuntimeException("Test Fails");
        }
    }
}