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24 lines
837 B
TypeScript
24 lines
837 B
TypeScript
// Copyright 2018 the Deno authors. All rights reserved. MIT license.
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import { test, assert } from "./test_util.ts";
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import * as deno from "deno";
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test(function metrics() {
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const m1 = deno.metrics();
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assert(m1.opsDispatched > 0);
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assert(m1.opsCompleted > 0);
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assert(m1.bytesSentControl > 0);
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assert(m1.bytesSentData >= 0);
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assert(m1.bytesReceived > 0);
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// Write to stdout to ensure a "data" message gets sent instead of just
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// control messages.
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const dataMsg = new Uint8Array([41, 42, 43]);
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deno.stdout.write(dataMsg);
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const m2 = deno.metrics();
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assert(m2.opsDispatched > m1.opsDispatched);
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assert(m2.opsCompleted > m1.opsCompleted);
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assert(m2.bytesSentControl > m1.bytesSentControl);
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assert(m2.bytesSentData >= m1.bytesSentData + dataMsg.byteLength);
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assert(m2.bytesReceived > m1.bytesReceived);
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});
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