test/jdk/java/io/File/DeleteReadOnly.java

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/* @test
 * @bug 8355954
 * @requires (os.family == "windows")
 * @summary Verify correct behavior of File.delete
 * @run junit DeleteReadOnly
 * @run junit/othervm -Djdk.io.File.allowDeleteReadOnlyFiles=true DeleteReadOnly
 */
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

public class DeleteReadOnly {
    private static final String PROP = "jdk.io.File.allowDeleteReadOnlyFiles";
    private static final boolean DELETE_READ_ONLY = Boolean.getBoolean(PROP);

    private static final File ROOT = new File(".");

    @Test
    void deleteReadOnlyRegularFile() throws IOException {
        File dir = Files.createTempDirectory(ROOT.toPath(), "dir").toFile();
        File file = File.createTempFile("tow", "hee", dir);

        file.setReadOnly();

        boolean deleted = file.delete();
        assertEquals(DELETE_READ_ONLY, deleted);

        if (!deleted) {
            file.setWritable(true);
            assertTrue(file.delete());
        }

        assertTrue(dir.delete());
    }

    @Test
    void deleteReadOnlyDirectory() throws IOException {
        File dir = Files.createTempDirectory(ROOT.toPath(), "dir").toFile();
        dir.setReadOnly();
        assertTrue(dir.delete());
    }
}