}
	cancel1()
	cancel2()
	if got, want := len(ctx0.afterFuncs), 0; got != want {
		t.Errorf("after canceling WithCancel(ctx0): ctx0 has %v afterFuncs, want %v", got, want)
	}
}

func TestCustomContextAfterFuncUnregisterTimeout(t *testing.T) {
	ctx0 := &afterFuncContext{}
	_, cancel := context.WithTimeout(ctx0, veryLongDuration)
	if got, want := len(ctx0.afterFuncs), 1; got != want {