1 files changed, 25 insertions, 0 deletions
diff --git a/gopls/internal/regtest/bench/rename_test.go b/gopls/internal/regtest/bench/rename_test.go
new file mode 100644
index 000000000..e6db663a4
--- /dev/null
+++ b/gopls/internal/regtest/bench/rename_test.go
@@ -0,0 +1,25 @@
+// Copyright 2023 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package bench
+
+import (
+	"fmt"
+	"testing"
+)
+
+func BenchmarkRename(b *testing.B) {
+	env := sharedEnv(b)
+
+	env.OpenFile("internal/imports/mod.go")
+	env.Await(env.DoneWithOpen())
+
+	b.ResetTimer()
+
+	for i := 1; i < b.N; i++ {
+		loc := env.RegexpSearch("internal/imports/mod.go", "gopathwalk")
+		newName := fmt.Sprintf("%s%d", "gopathwalk", i)
+		env.Rename(loc, newName)
+	}
+}