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966e3d3493
PR-URL: https://github.com/nodejs/node/pull/49128 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
'use strict';
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const common = require('../common');
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common.skipIfInspectorDisabled();
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const fixtures = require('../common/fixtures');
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const startCLI = require('../common/debugger');
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const tmpdir = require('../common/tmpdir');
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tmpdir.refresh();
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const { readFileSync } = require('fs');
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const filename = tmpdir.resolve('node.heapsnapshot');
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// Heap profiler take snapshot.
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{
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const opts = { cwd: tmpdir.path };
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const cli = startCLI(['--port=0', fixtures.path('debugger/empty.js')], [], opts);
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async function waitInitialBreak() {
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try {
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await cli.waitForInitialBreak();
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await cli.waitForPrompt();
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await cli.command('takeHeapSnapshot()');
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JSON.parse(readFileSync(filename, 'utf8'));
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// Check that two simultaneous snapshots don't step all over each other.
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// Refs: https://github.com/nodejs/node/issues/39555
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await cli.command('takeHeapSnapshot(); takeHeapSnapshot()');
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JSON.parse(readFileSync(filename, 'utf8'));
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} finally {
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await cli.quit();
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}
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}
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// Check that the snapshot is valid JSON.
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waitInitialBreak().then(common.mustCall());
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}
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