}
			if id != uint64(i+1) {
				t.Errorf("expected string %q to have ID %d, but got %d instead", s, i+1, id)
			}
		}
		m.Reset()
	}
}

func TestTraceMapConcurrent(t *testing.T) {
	var m TraceMap

	var wg sync.WaitGroup
	for i := range 3 {
		wg.Add(1)
		go func(i int) {
			defer wg.Done()

			si := strconv.Itoa(i)
			var d = [...]string{
				"a" + si,