protected String extrapolateChildUrl(String parentUrl, boolean appendPath, Map<Object, Object> context) {
            Object childDirectory = context.get(CHILD_DIRECTORY);
            Object childPathAdjustment = context.get(CHILD_PATH_ADJUSTMENT);

            boolean isBlankParentUrl = true;

            if (parentUrl != null) {
                for (int i = 0; i < parentUrl.length(); i++) {

        "subdir/another" | "../.."
    }

    def "finds relative path to descendant from and to both files and directories "() {
        setup:
        TestFile parentDir = testDir.createDir('parent')
        parentDir.create {
            file 'parent.txt'
            dir1 {
                file 'file1.txt'
                dir2 {
                    file 'file2.txt'
                    dir3 {

        }
    }

    private void buildJar(File jarFile, Action action) throws IOException {
        File parentDir = jarFile.getParentFile();
        File tmpFile = temporaryFileProvider.createTemporaryFile(jarFile.getName(), ".tmp");
        try {
            Files.createDirectories(parentDir.toPath());
            inPlaceBuilder.jar(tmpFile, action);

                                    <label for="doc.parent_id" class="col-sm-3 text-sm-right col-form-label">parent_id</label>
                                    <div class="col-sm-9">
                                        <la:errors property="doc.parent_id"/>
                                        <la:text styleId="doc.parent_id" property="doc.parent_id" styleClass="form-control"/>
                                    </div>

// parent.
func (ex *Examiner) ParentCU(idx int) *dwarf.Entry {
	for {
		parentDie := ex.Parent(idx)
		if parentDie == nil {
			return nil
		}
		if parentDie.Tag == dwarf.TagCompileUnit {
			return parentDie
		}
		idx = ex.IdxFromOffset(parentDie.Offset)
	}
}

// FileRef takes a given DIE by index and a numeric file reference

        def result1 = serialize(event1)
        def result2 = serialize(event2)

        then:
        result1 instanceof TestStartEvent
        result1.parentId == id
        result1.startTime == 123L
        result2 instanceof TestStartEvent
        result2.parentId == null
        result2.startTime == 456L
    }

    def "serializes TestCompleteEvent"() {

        IvyXmlModuleDescriptorParser.Parser disconnectedParser = parser.createParser(parseContext, localResource, [:])

        and:
        ModuleDescriptor moduleDescriptor = disconnectedParser.parseOtherIvyFile('myorg', 'parentMod', 'parentRev')

        then:
        localResource.getFile() >> new File('ivy.xml')
        disconnectedParser
        disconnectedParser instanceof DisconnectedIvyXmlModuleDescriptorParser.DisconnectedParser

    private static long millisToSeconds(long millis) {
        millis / 1000L
    }

    private static generateFilesAndSubDirectories(TestFile parentDir, int fileCount, int dirCount, int maxDepth, int currentDepth, AtomicInteger fileIdGenerator) {
        for (int i = 0; i < fileCount; i++) {
            parentDir.createFile("file" + fileIdGenerator.incrementAndGet()) << ("x" * fileIdGenerator.get())
        }
        if (currentDepth < maxDepth) {

        }
    }

    BuildOperationDescriptor d(Long id, Long parentId, Long details) {
        BuildOperationDescriptor.displayName(id.toString()).details(details).build(
            new OperationIdentifier(id),
            parentId == null ? null : new OperationIdentifier(parentId)
        )
    }

    def "parentId is of last parent that a notification was sent for"() {
        given:

		if pathErr, ok := err.(*PathError); ok {
			pathErr.Path = parentDir + string(PathSeparator) + pathErr.Path
			err = pathErr
		}
		return err
	}
	return nil
}

func removeAllFrom(parent *File, base string) error {
	parentFd := int(parent.Fd())
	// Simple case: if Unlink (aka remove) works, we're done.
	err := ignoringEINTR(func() error {
		return unix.Unlinkat(parentFd, base, 0)
	})
	if err == nil || IsNotExist(err) {