mirror of https://gitee.com/openkylin/nodejs.git
50 lines
1.4 KiB
JavaScript
50 lines
1.4 KiB
JavaScript
'use strict';
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// Flags: --expose-gc
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// Tests that memoryUsage().external doesn't go negative
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// when a lot tls connections are opened and closed
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const common = require('../common');
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if (!common.hasCrypto)
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common.skip('missing crypto');
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const makeDuplexPair = require('../common/duplexpair');
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const onGC = require('../common/ongc');
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const assert = require('assert');
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const tls = require('tls');
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// Payload doesn't matter. We just need to have the tls
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// connection try and connect somewhere.
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const dummyPayload = Buffer.alloc(10000, 'yolo');
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let runs = 0;
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// Count garbage-collected TLS sockets.
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let gced = 0;
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function ongc() { gced++; }
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connect();
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function connect() {
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if (runs % 64 === 0)
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global.gc();
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const externalMemoryUsage = process.memoryUsage().external;
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assert(externalMemoryUsage >= 0, `${externalMemoryUsage} < 0`);
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if (runs++ === 512) {
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// Make sure at least half the TLS sockets have been garbage collected
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// (so that this test can actually check what it's testing):
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assert(gced >= 256, `${gced} < 256`);
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return;
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}
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const { clientSide, serverSide } = makeDuplexPair();
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const tlsSocket = tls.connect({ socket: clientSide });
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tlsSocket.on('error', common.mustCall(connect));
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onGC(tlsSocket, { ongc });
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// Use setImmediate so that we don't trigger the error within the same
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// event loop tick.
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setImmediate(() => serverSide.write(dummyPayload));
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}
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