From d76a89fffcb0cdd0b006d05ec66d268eb1f0e819 Mon Sep 17 00:00:00 2001
From: Olivier Poitrey <rs@rhapsodyk.net>
Date: Tue, 29 Aug 2017 23:10:40 -0700
Subject: [PATCH] Add benchmark for context appending

---
 benchmark_test.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/benchmark_test.go b/benchmark_test.go
index 1732fb6..88ca68c 100644
--- a/benchmark_test.go
+++ b/benchmark_test.go
@@ -57,6 +57,18 @@ func BenchmarkContextFields(b *testing.B) {
 	})
 }
 
+func BenchmarkContextAppend(b *testing.B) {
+	logger := New(ioutil.Discard).With().
+		Str("foo", "bar").
+		Logger()
+	b.ResetTimer()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			logger.With().Str("bar", "baz")
+		}
+	})
+}
+
 func BenchmarkLogFields(b *testing.B) {
 	logger := New(ioutil.Discard)
 	b.ResetTimer()