Add benchmark

benchmark_test.go

@@ -0,0 +1,52 @@
+package yaml_test
+
+import (
+	"testing"
+
+	"github.com/goccy/go-yaml"
+	goyaml2 "gopkg.in/yaml.v2"
+	goyaml3 "gopkg.in/yaml.v3"
+)
+
+func Benchmark(b *testing.B) {
+	const src = `---
+id: 1
+message: Hello, World
+verified: true
+elements:
+  - one
+  - 0.02
+  - null
+  - -inf
+`
+	type T struct {
+		ID       int    `yaml:"id"`
+		Message  string `yaml:"message"`
+		Verified bool   `yaml:"verified,omitempty"`
+	}
+
+	b.Run("gopkg.in/yaml.v2", func(b *testing.B) {
+		var t T
+		for i := 0; i < b.N; i++ {
+			if err := goyaml2.Unmarshal([]byte(src), &t); err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+	b.Run("gopkg.in/yaml.v3", func(b *testing.B) {
+		var t T
+		for i := 0; i < b.N; i++ {
+			if err := goyaml3.Unmarshal([]byte(src), &t); err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+	b.Run("github.com/goccy/go-yaml", func(b *testing.B) {
+		var t T
+		for i := 0; i < b.N; i++ {
+			if err := yaml.Unmarshal([]byte(src), &t); err != nil {
+				b.Fatal(err)
+			}
+		}
+	})
+}