Function Test

src/react-navigation/__tests__/index.test.tsx:14–23

({
    route,
    navigation,
  }: MaterialBottomTabScreenProps<ParamListBase>)

it('renders a material bottom tab navigator with screens', async () => {
  const Test = ({
    route,
    navigation,
  }: MaterialBottomTabScreenProps<ParamListBase>) => (
    <View>
      <Text>Screen {route.name}</Text>
      <Button onPress={() => navigation.navigate('A')} title="Go to A" />
      <Button onPress={() => navigation.navigate('B')} title="Go to B" />
    </View>
  );

  const Tab = createMaterialBottomTabNavigator();