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573 B
JavaScript

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
// `require('expect')` in a test file must resolve to the same module instance
// that backs the global `expect`, so JestAssertionError is the same class.
const {JestAssertionError} = require('expect');
test('toThrow(JestAssertionError) passes when a matcher assertion fails', () => {
expect(() => {
expect('1').toBe(2);
}).toThrow(JestAssertionError);
});