mirror of https://github.com/nodejs/node.git
35 lines
756 B
JavaScript
35 lines
756 B
JavaScript
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'use strict';
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const { test } = require('tap');
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const { readFileSync, unlinkSync } = require('fs');
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const startCLI = require('./start-cli');
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const filename = 'node.heapsnapshot';
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function cleanup() {
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try {
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unlinkSync(filename);
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} catch (_) {
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// Ignore.
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}
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}
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cleanup();
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test('Heap profiler take snapshot', (t) => {
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const cli = startCLI(['examples/empty.js']);
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function onFatal(error) {
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cli.quit();
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throw error;
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}
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// Check that the snapshot is valid JSON.
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return cli.waitForInitialBreak()
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.then(() => cli.waitForPrompt())
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.then(() => cli.command('takeHeapSnapshot()'))
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.then(() => JSON.parse(readFileSync(filename, 'utf8')))
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.then(() => cleanup())
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.then(() => cli.quit())
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.then(null, onFatal);
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});
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