node/test/parallel/test-os-fast.js

31 lines
898 B
JavaScript

// Flags: --expose-internals --no-warnings --allow-natives-syntax
'use strict';
const common = require('../common');
const assert = require('assert');
const {
totalmem,
freemem,
availableParallelism,
} = require('os');
const { internalBinding } = require('internal/test/binding');
function testFastOs() {
assert.strictEqual(typeof totalmem(), 'number');
assert.strictEqual(typeof freemem(), 'number');
assert.strictEqual(typeof availableParallelism(), 'number');
}
eval('%PrepareFunctionForOptimization(testFastOs)');
testFastOs();
eval('%OptimizeFunctionOnNextCall(testFastOs)');
testFastOs();
if (common.isDebug) {
const { getV8FastApiCallCount } = internalBinding('debug');
assert.strictEqual(getV8FastApiCallCount('os.totalmem'), 1);
assert.strictEqual(getV8FastApiCallCount('os.freemem'), 1);
assert.strictEqual(getV8FastApiCallCount('os.availableParallelism'), 1);
}