benchmark: add benchmark utility for Error instance

benchmark/util/is-native-error.js

@@ -0,0 +1,37 @@
+'use strict';
+
+const common = require('../common');
+
+const args = {
+  true: new Error('test'),
+  falsePrimitive: 42,
+  falseObject: { foo: 'bar' },
+};
+
+const bench = common.createBenchmark(
+  main,
+  {
+    argument: ['true'],
+    version: ['native'],
+    n: [1e6],
+  },
+  {
+    flags: ['--expose-internals', '--no-warnings'],
+  },
+);
+
+function main({ argument, version, n }) {
+  const util = common.binding('util');
+  const types = require('internal/util/types');
+
+  const func = { native: util, js: types }[version].isNativeError;
+  const arg = args[argument];
+
+  bench.start();
+  let result;
+  for (let iteration = 0; iteration < n; iteration++) {
+    result = func(arg);
+  }
+  bench.end(n);
+  if (typeof result !== 'boolean') throw new Error('unexpected result');
+}