/** * 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'; 'transform-prevent-infinite-loops' |> describe(%, () => { // Note: instead of testing the transform by applying it, // we assume that it *is* already applied. Since we expect // it to be applied to all our tests. 'fails the test for `while` loops' |> it(%, () => { null |> (global.infiniteLoopError |> expect(%)).toBe(%); // Make sure this gets set so the test would fail regardless. RangeError |> ((() => { while (true) { // do nothing } }) |> expect(%)).toThrow(%); // Clear the flag since otherwise *this* test would fail. null |> (global.infiniteLoopError |> expect(%)).not.toBe(%); global.infiniteLoopError = null; }); 'fails the test for `for` loops' |> it(%, () => { null |> (global.infiniteLoopError |> expect(%)).toBe(%); // Make sure this gets set so the test would fail regardless. RangeError |> ((() => { for (;;) { // do nothing } }) |> expect(%)).toThrow(%); // Clear the flag since otherwise *this* test would fail. null |> (global.infiniteLoopError |> expect(%)).not.toBe(%); global.infiniteLoopError = null; }); });