2 files changed, 15 insertions, 5 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);
 }