langtools/test/tools/javac/file/BootClassPathPrepend.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * 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,
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/**
 * @test
 * @bug 8067445
 * @summary Verify that file.Locations analyze sun.boot.class.path for BCP prepends/appends
 * @library /tools/lib
 * @modules jdk.compiler/com.sun.tools.javac.api
 *          jdk.compiler/com.sun.tools.javac.file
 *          jdk.compiler/com.sun.tools.javac.main
 */

import java.io.IOException;
import java.util.EnumSet;
import javax.tools.JavaCompiler;
import javax.tools.JavaFileManager;
import javax.tools.JavaFileObject;
import javax.tools.JavaFileObject.Kind;
import javax.tools.StandardLocation;
import javax.tools.ToolProvider;

public class BootClassPathPrepend {
    public static void main(String... args) throws IOException {
        if (args.length == 0) {
            new BootClassPathPrepend().reRun();
        } else {
            new BootClassPathPrepend().run();
        }
    }

    void reRun() {
        String testClasses = System.getProperty("test.classes");
        ToolBox tb = new ToolBox();
        tb.new JavaTask().vmOptions("-Xbootclasspath/p:" + testClasses)
                         .classArgs("real-run")
                         .className("BootClassPathPrepend")
                         .run()
                         .writeAll();
    }

    EnumSet<Kind> classKind = EnumSet.of(JavaFileObject.Kind.CLASS);

    void run() throws IOException {
        JavaCompiler toolProvider = ToolProvider.getSystemJavaCompiler();
        try (JavaFileManager fm = toolProvider.getStandardFileManager(null, null, null)) {
            Iterable<JavaFileObject> files =
                    fm.list(StandardLocation.PLATFORM_CLASS_PATH, "", classKind, false);
            for (JavaFileObject fo : files) {
                if (fo.isNameCompatible("BootClassPathPrepend", JavaFileObject.Kind.CLASS)) {
                    System.err.println("Found BootClassPathPrepend on bootclasspath");
                    return ;//found
                }
            }

            throw new AssertionError("Cannot find class that was prepended on BCP");
        }
    }
}