nodejs/deps/v8/test/mjsunit/harmony/await-using-throws-suppressed-error.js

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// Copyright 2025 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Flags: --js-staging
async function TestThrowingSuppressedError() {
class MyError extends Error {}
const error1 = new MyError();
const error2 = new MyError();
const error3 = new MyError();
try {
await using x = {
async[Symbol.asyncDispose]() {
throw error1;
}
};
await using y = {
[Symbol.dispose]() {
throw error2;
}
};
throw error3;
} catch (e) {
assertTrue(
e instanceof SuppressedError,
'Expected an SuppressedError to have been thrown');
assertEquals(
e.error, error1,
'Expected the outermost suppressing error to have been \'error1\'');
assertTrue(
e.suppressed instanceof SuppressedError,
'Expected the outermost suppressed error to have been a SuppressedError');
assertEquals(
e.suppressed.error, error2,
'Expected the innermost suppressing error to have been \'error2\'');
assertEquals(
e.suppressed.suppressed, error3,
'Expected the innermost suppressed error to have been \'error3\'');
}
}
async function RunTest() {
await TestThrowingSuppressedError();
}
RunTest();