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The messaging code uses `Object.defineProperty()`, which accesses `value` on `Object.prototype` by default, so some calls to the getter here would actually be expected. Instead, make the list of accessed properties more specific to the tested source map code to avoid flakiness. Refs: https://twitter.com/addaleax/status/1276289101671608320 Refs: https://github.com/nodejs/node/pull/34057 PR-URL: https://github.com/nodejs/node/pull/34446 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
'use strict';
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const common = require('../common');
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const tmpdir = require('../common/tmpdir');
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const assert = require('assert');
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// Attempts to test that the source map JS code run on process shutdown
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// does not call any user-defined JS code.
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const { Worker, workerData, parentPort } = require('worker_threads');
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if (!workerData) {
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tmpdir.refresh();
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process.env.NODE_V8_COVERAGE = tmpdir.path;
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// Count the number of some calls that should not be made.
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const callCount = new Int32Array(new SharedArrayBuffer(4));
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const w = new Worker(__filename, { workerData: { callCount } });
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w.on('message', common.mustCall(() => w.terminate()));
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w.on('exit', common.mustCall(() => {
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assert.strictEqual(callCount[0], 0);
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}));
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return;
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}
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const { callCount } = workerData;
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function increaseCallCount() { callCount[0]++; }
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// Increase the call count when a forbidden method is called.
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Object.getPrototypeOf((new Map()).entries()).next = increaseCallCount;
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Map.prototype.entries = increaseCallCount;
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Object.keys = increaseCallCount;
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Object.create = increaseCallCount;
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Object.hasOwnProperty = increaseCallCount;
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for (const property of ['_cache', 'lineLengths', 'url']) {
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Object.defineProperty(Object.prototype, property, {
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get: increaseCallCount,
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set: increaseCallCount
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});
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}
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parentPort.postMessage('done');
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