}
			ch <- err
		}()
	}
	for i := 0; i < n; i++ {
		if err := <-ch; err != nil {
			t.Error(err)
		}
	}
}

// just a test of fakedb itself
func TestBogusPreboundParameters(t *testing.T) {
	db := newTestDB(t, "foo")
	defer closeDB(t, db)
	exec(t, db, "CREATE|t1|name=string,age=int32,dead=bool")
	_, err := db.Prepare("INSERT|t1|name=?,age=bogusconversion")
	if err == nil {