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381be1e8a2
PR-URL: https://github.com/nodejs/node/pull/60975 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
24 lines
748 B
JavaScript
24 lines
748 B
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { startNewREPLServer } = require('../common/repl');
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// Pasting big input should not cause the process to have a huge CPU usage.
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const cpuUsage = process.cpuUsage();
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const { replServer } = startNewREPLServer({}, { disableDomainErrorAssert: true });
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replServer.input.emit('data', '{}');
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replServer.input.emit('keypress', '', { name: 'left' });
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replServer.input.emit('data', 'node');
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assert.strictEqual(replServer.line, '{node}');
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replServer.input.emit('data', 'a'.repeat(4e4) + '\n');
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replServer.input.emit('data', '.exit\n');
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replServer.once('exit', common.mustCall(() => {
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const diff = process.cpuUsage(cpuUsage);
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assert.ok(diff.user < 4e6);
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}));
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