40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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'use strict';
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describe('transform-prevent-infinite-loops', () => {
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// Note: instead of testing the transform by applying it,
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// we assume that it *is* already applied. Since we expect
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// it to be applied to all our tests.
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it('fails the test for `while` loops', () => {
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expect(global.infiniteLoopError).toBe(null);
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expect(() => {
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while (true) {
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// do nothing
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}
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}).toThrow(RangeError);
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// Make sure this gets set so the test would fail regardless.
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expect(global.infiniteLoopError).not.toBe(null);
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// Clear the flag since otherwise *this* test would fail.
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global.infiniteLoopError = null;
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});
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it('fails the test for `for` loops', () => {
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expect(global.infiniteLoopError).toBe(null);
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expect(() => {
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for (;;) {
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// do nothing
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}
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}).toThrow(RangeError);
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// Make sure this gets set so the test would fail regardless.
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expect(global.infiniteLoopError).not.toBe(null);
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// Clear the flag since otherwise *this* test would fail.
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global.infiniteLoopError = null;
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});
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});
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