jdk-24/langtools/test/tools/sjavac/HiddenFiles.java

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/*
 * @test
 * @bug 8144226
 * @summary Ensures that excluded files are inaccessible (even for implicit
 *          compilation)
 *
 * @modules jdk.compiler/com.sun.tools.sjavac
 *          jdk.jdeps/com.sun.tools.javap
 * @library /tools/lib
 * @build Wrapper toolbox.ToolBox
 * @run main Wrapper HiddenFiles
 */

import com.sun.tools.javac.util.Assert;
import com.sun.tools.sjavac.server.Sjavac;

import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class HiddenFiles extends SjavacBase {

    public static void main(String[] ignore) throws Exception {
        Path BIN = Paths.get("bin");
        Path STATE_DIR = Paths.get("state-dir");
        Path SRC = Paths.get("src");

        Files.createDirectories(BIN);
        Files.createDirectories(STATE_DIR);

        toolbox.writeJavaFiles(SRC, "package pkg; class A { B b; }");
        toolbox.writeJavaFiles(SRC, "package pkg; class B { }");

        // This compilation should fail (return RC_FATAL) since A.java refers to B.java and B.java
        // is excluded.
        int rc = compile("-x", "pkg/B.java", SRC.toString(),
                         "-d", BIN.toString(),
                         "--state-dir=" + STATE_DIR);

        Assert.check(rc == Sjavac.RC_FATAL, "Compilation succeeded unexpectedly.");
    }
}