if len(l.lockMap) != 0 {
		t.Fatalf("after cleanup should be empty, got %d", len(l.lockMap))
	}
	if len(l.lockUID) != 0 {
		t.Fatalf("lockUID len, got %d, want %d", len(l.lockUID), 0)
	}
}

func TestLocalLockerUnlock(t *testing.T) {
	const n = 1000
	const m = 5
	wResources := make([][m]string, n)
	rResources := make([]string, n)
	wUIDs := make([]string, n)
	rUIDs := make([]string, 0, n*2)
	l := newLocker()