benchmark: add more util inspect and format benchmarks

This adds a couple of benchmarks to check different options and code
paths.

PR-URL: https://github.com/nodejs/node/pull/30767
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Denys Otrishko <shishugi@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

3 files changed, 18 insertions, 6 deletions

diff --git a/benchmark/util/format.js b/benchmark/util/format.js
index 44e950a6ca..976e0f4e65 100644
--- a/benchmark/util/format.js
+++ b/benchmark/util/format.js
@@ -13,6 +13,8 @@ const inputs = {
   'no-replace-2': ['foobar', 'yeah', 'mensch', 5],
   'only-objects': [{ msg: 'This is an error' }, { msg: 'This is an error' }],
   'many-%': ['replace%%%%s%%%%many%s%s%s', 'percent'],
+  'object-to-string': ['foo %s bar', { toString() { return 'bla'; } }],
+  'object-%s': ['foo %s bar', { a: true, b: false }],
 };
 
 const bench = common.createBenchmark(main, {
diff --git a/benchmark/util/inspect-proxy.js b/benchmark/util/inspect-proxy.js
index dde86941ff..fd89d568ab 100644
--- a/benchmark/util/inspect-proxy.js
+++ b/benchmark/util/inspect-proxy.js
@@ -3,13 +3,21 @@
 const util = require('util');
 const common = require('../common.js');
 
-const bench = common.createBenchmark(main, { n: [2e4] });
+const bench = common.createBenchmark(main, {
+  n: [2e4],
+  showProxy: [0, 1],
+  isProxy: [0, 1]
+});
 
-function main({ n }) {
-  const proxyA = new Proxy({}, { get: () => {} });
-  const proxyB = new Proxy(() => {}, {});
+function main({ n, showProxy, isProxy }) {
+  let proxyA = {};
+  let proxyB = () => {};
+  if (isProxy) {
+    proxyA = new Proxy(proxyA, { get: () => {} });
+    proxyB = new Proxy(proxyB, {});
+  }
   bench.start();
   for (let i = 0; i < n; i += 1)
-    util.inspect({ a: proxyA, b: proxyB }, { showProxy: true });
+    util.inspect({ a: proxyA, b: proxyB }, { showProxy });
   bench.end(n);
 }
diff --git a/test/benchmark/test-benchmark-util.js b/test/benchmark/test-benchmark-util.js
index 97b02bbdee..b66d4fdb9b 100644
--- a/test/benchmark/test-benchmark-util.js
+++ b/test/benchmark/test-benchmark-util.js
@@ -14,5 +14,7 @@ runBenchmark('util',
               'size=1',
               'type=',
               'len=1',
-              'version=native'],
+              'version=native',
+              'isProxy=1',
+              'showProxy=1'],
              { NODEJS_BENCHMARK_ZERO_ALLOWED: 1 });