From 1b0c9905b24c29e4f716f0f74d9f253faff0c502 Mon Sep 17 00:00:00 2001
From: Bryan Boreham <bjboreham@gmail.com>
Date: Wed, 5 Jun 2024 10:07:42 +0100
Subject: [PATCH] Labels: add BenchmarkScratchBuilder_Equal

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
---
 model/labels/labels_dedupelabels_test.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/model/labels/labels_dedupelabels_test.go b/model/labels/labels_dedupelabels_test.go
index 5ef9255c21..9064cadc60 100644
--- a/model/labels/labels_dedupelabels_test.go
+++ b/model/labels/labels_dedupelabels_test.go
@@ -48,3 +48,18 @@ func TestVarint(t *testing.T) {
 	}
 	require.Panics(t, func() { encodeVarint(buf[:], len(buf), 1<<29) })
 }
+
+func BenchmarkScratchBuilder_Equal(b *testing.B) {
+	for _, scenario := range comparisonBenchmarkScenarios {
+		builder := NewScratchBuilder(scenario.base.Len())
+		scenario.base.Range(func(l Label) {
+			builder.Add(l.Name, l.Value)
+		})
+		b.Run(scenario.desc, func(b *testing.B) {
+			b.ResetTimer()
+			for i := 0; i < b.N; i++ {
+				_ = builder.Equal(scenario.other)
+			}
+		})
+	}
+}