test/jdk/java/lang/ClassLoader/LibraryPathProperty.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 *
 * 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).
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * @test
 * @bug 8067951
 * @summary Unit test for internal ClassLoader#initializePath().
 *          Quoted entries should get unquoted on Windows.
 *          Empty entries should be replaced with dot.
 * @library /test/lib
 * @modules java.base/java.lang:open
 * @build jdk.test.lib.Platform
 * @run main LibraryPathProperty
 */

import java.lang.reflect.Method;
import java.io.File;
import java.util.Arrays;
import jdk.test.lib.Platform;

public class LibraryPathProperty {

    static final String propName = "test.property.name";
    static final String SP = File.pathSeparator;
    static Method method;

    public static void main(String[] args) throws Throwable {
        method = ClassLoader.class
                .getDeclaredMethod("initializePath",
                                   String.class);
        method.setAccessible(true);

        test("", ".");
        test(SP, ".", ".");
        test("a" + SP, "a", ".");
        test(SP + "b", ".", "b");
        test("a" + SP + SP + "b", "a", ".", "b");

        if (Platform.isWindows()) {
            // on Windows parts of paths may be quoted
            test("\"\"", ".");
            test("\"\"" + SP, ".", ".");
            test(SP + "\"\"", ".", ".");
            test("a" + SP + "\"b\"" + SP, "a", "b", ".");
            test(SP + "\"a\"" + SP + SP + "b", ".", "a", ".", "b");
            test("\"a\"" + SP + "\"b\"", "a", "b");
            test("\"/a/\"b" + SP + "c", "/a/b", "c");
            test("\"/a;b\"" + SP + "c", "/a;b", "c");
            test("\"/a:b\"" + SP + "c", "/a:b", "c");
            test("\"/a" + SP + "b\"" + SP + "c", "/a" + SP + "b", "c");
            test("/\"a\"\";\"\"b\"" + SP + "\"c\"", "/a;b", "c");
            test("/\"a:\"b" + SP + "c", "/a:b", "c");
        }
    }

    static void test(String s, String... expected) throws Throwable {
        System.setProperty(propName, s);
        String[] res = (String[])method.invoke(null, propName);
        if (!Arrays.asList(res).equals(Arrays.asList(expected))) {
            throw new RuntimeException("Parsing [" + s + "] " +
                    " result " + Arrays.asList(res) +
                    " doesn't match " + Arrays.asList(expected));
        }
    }
}