}
	walkTree(tree, tree.name, func(path string, n *Node) {
		if n.mark != 1 {
			t.Errorf("node %s mark = %d; expected 1", path, n.mark)
		}
		n.mark = 0
	})
}

func TestIssue51617(t *testing.T) {
	dir := t.TempDir()
	for _, sub := range []string{"a", filepath.Join("a", "bad"), filepath.Join("a", "next")} {
		if err := os.Mkdir(filepath.Join(dir, sub), 0755); err != nil {
			t.Fatal(err)
		}

		t.Errorf("EvalSymlinks(%q) = %q does not end with %q", check, resolved, wantSuffix)
	} else {
		t.Logf("EvalSymlinks(%q) = %q", check, resolved)
	}
}

func TestIssue51617(t *testing.T) {
	dir := t.TempDir()
	for _, sub := range []string{"a", filepath.Join("a", "bad"), filepath.Join("a", "next")} {
		if err := os.Mkdir(filepath.Join(dir, sub), 0755); err != nil {
			t.Fatal(err)