tor-browser

The Tor Browser
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asyncHelpers-throwsAsync-null.js (806B)

      1 // |reftest| async
      2 // Copyright (C) 2022 Igalia, S.L. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 /*---
      5 description: |
      6    Thenables that reject with the `null` value do not satisfy the assertion.
      7 flags: [async]
      8 includes: [asyncHelpers.js]
      9 ---*/
     10 
     11 asyncTest(async function () {
     12  var caught = false;
     13 
     14  const p = assert.throwsAsync(Error, async function () {
     15    throw null;
     16  });
     17  assert(p instanceof Promise);
     18  try {
     19    await p;
     20  } catch (err) {
     21    caught = true;
     22    assert.sameValue(
     23      err.constructor,
     24      Test262Error,
     25      "Expected a Test262Error, but a '" +
     26        err.constructor.name +
     27        "' was thrown."
     28    );
     29  } finally {
     30    assert(
     31      caught,
     32      "assert.throwsAsync did not reject when null was thrown"
     33    );
     34  }
     35 });