@testing-library/react-native/dist/matchers/utils.d.ts

Simple and complete React Native testing utilities that encourage good testing practices.

import type { TestInstance } from 'test-renderer';
/**
 * Throws HostElementTypeError if passed instance is not a host instance.
 *
 * @param instance TestInstance to check.
 * @param matcherFn Matcher function calling the check used for formatting error.
 * @param context Jest matcher context used for formatting error.
 */
export declare function checkHostElement(instance: TestInstance | null | undefined, matcherFn: jest.CustomMatcher, context: jest.MatcherContext): asserts instance is TestInstance;
export declare function formatMessage(matcher: string, expectedLabel: string, expectedValue: string | RegExp | null | undefined, receivedLabel: string, receivedValue: string | null | undefined): string;