createFile(new File(cachesDir, "8.7-rc-4/transforms/first/metadata.bin"))
        createFile(new File(cachesDir, "8.7-rc-4/transforms/first/transformed/instrumented/file"))
        createFile(new File(cachesDir, "8.7-rc-4/transforms/second/transformed/original/file"))
        createFile(new File(cachesDir, "8.8/transforms/first/transformed/instrumented/file"))
        createFile(new File(cachesDir, "8.8/transforms/first/transformed/original/file"))

        File file = new File("f1")
        TestFileCollection collection = new TestFileCollection(file)

        expect:
        collection as Collection == toList(file)
        collection as Set == toLinkedSet(file)
        collection as List == toList(file)
    }

    void toFileTreeReturnsSingletonTreeForEachFileInCollection() {
        File file = testDir.createFile("f1")

   *
   * <p><b>Warning:</b> If {@code to} represents an existing file, that file will be overwritten
   * with the contents of {@code from}. If {@code to} and {@code from} refer to the <i>same</i>
   * file, the contents of that file will be deleted.
   *
   * <p><b>{@link java.nio.file.Path} equivalent:</b> {@link
   * java.nio.file.Files#copy(java.nio.file.Path, java.nio.file.Path, java.nio.file.CopyOption...)}.

                erroneousSource = indexes: 13..14, line/column: 1/14..1/15, file: test
            )
            UnsupportedConstruct(
                languageFeature = StarImport,
                potentialElementSource = indexes: 15..25, line/column: 2/1..2/11, file: test,
                erroneousSource = indexes: 24..25, line/column: 2/10..2/11, file: test
            )

    doLast {
        fileList('./antLoadfileResources').each { File file ->
            ant.checksum(file: file, property: "cs_$file.name")
            println "$file.name Checksum: ${ant.properties["cs_$file.name"]}"
        }
    }
}

tasks.register('loadfile') {
    doLast {
        fileList('./antLoadfileResources').each { File file ->
            ant.loadfile(srcFile: file, property: file.name)
            println "I'm fond of $file.name"

        given:
        TestFile file = tmpDir.createFile('file')
        file.setLastModified(1234L)

        when:
        FileCollectionFingerprint fingerprint = fingerprinter.fingerprint(files(file))
        virtualFileSystem.invalidateAll()
        changes(fingerprint, fingerprinter.fingerprint(files(file)), listener)
        file.setLastModified(45600L)
        virtualFileSystem.invalidateAll()

    }

    private File createFile(String content) throws IOException {
        File file = temporaryFileProvider.createTemporaryFile("gradle_fs_probing", null);
        Files.asCharSink(file, Charsets.UTF_8).write(content);
        return file;
    }

    private boolean probeCaseSensitive(File file, String content) {
        try {
            File upperCased = new File(file.getPath().toUpperCase(Locale.ROOT));

  }

  public void testCreateParentDirs_noParentsNeeded() throws IOException {
    File file = file(getTempDir(), "nonexistent.file");
    assertTrue(file.getParentFile().exists());
    Files.createParentDirs(file);
  }

  public void testCreateParentDirs_oneParentNeeded() throws IOException {
    File file = file(getTempDir(), "parent", "nonexistent.file");
    File parent = file.getParentFile();

        where:
        scenario | content
        "archive of other format"   | { td -> td.file('content/some-file.txt').text = "Content"; td.file('content').tarTo(td.file('compressedTarWithWrongExtension.zip')) }
        "random file"               | { td -> td.file('compressedZipWithWrongExtension.tar').text = "MamboJumbo" }
    }

    def "tarTreeFailsGracefully when #scenario"() {
        given:

    }

    @Requires(UnitTestPreconditions.Symlinks)
    def "normalizes path when ancestor is an absolute link"() {
        def target = createFile(new File(tmpDir.testDirectory, 'target/file.txt'))
        def file = new File(tmpDir.testDirectory, 'a/b/file.txt')
        createLink(file.parentFile, target.parentFile)
        assert file.exists() && file.file

        expect:
        normalize(file) == file
    }