145c6a2693
PR-URL: https://github.com/nodejs/node/pull/58022 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Vinícius Lourenço Claro Cardoso <contact@viniciusl.com.br>
30 lines
1012 B
JavaScript
30 lines
1012 B
JavaScript
// Flags: --expose-internals --no-warnings --allow-natives-syntax
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'use strict';
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const common = require('../common');
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const assert = require('node:assert');
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const { internalBinding } = require('internal/test/binding');
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const binding = internalBinding('timers');
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// Return value of getLibuvNow() should easily fit in a SMI after start-up.
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// We need to use the binding as the receiver for fast API calls.
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assert(binding.getLibuvNow() < 0x3ffffff);
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{
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// Only javascript methods can be optimized through %OptimizeFunctionOnNextCall
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// This is why we surround the C++ method we want to optimize with a JS function.
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function getLibuvNow() {
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return binding.getLibuvNow();
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}
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eval('%PrepareFunctionForOptimization(getLibuvNow)');
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getLibuvNow();
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eval('%OptimizeFunctionOnNextCall(getLibuvNow)');
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assert(getLibuvNow() < 0x3ffffff);
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if (common.isDebug) {
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const { getV8FastApiCallCount } = internalBinding('debug');
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assert.strictEqual(getV8FastApiCallCount('timers.getLibuvNow'), 1);
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}
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}
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