Upload Kmake

test/parallel/test-os-fast.js

@@ -0,0 +1,30 @@
+// 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);
+}