1 files changed, 60 insertions, 0 deletions
diff --git a/slog/benchmarks/zap_benchmarks/zap_encoders_test.go b/slog/benchmarks/zap_benchmarks/zap_encoders_test.go
new file mode 100644
index 0000000..9bcb9f3
--- /dev/null
+++ b/slog/benchmarks/zap_benchmarks/zap_encoders_test.go
@@ -0,0 +1,60 @@
+// Copyright 2022 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 zap_benchmarks
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"golang.org/x/exp/slog"
+	slogbench "golang.org/x/exp/slog/benchmarks"
+)
+
+func TestEncoders(t *testing.T) {
+	entry := zapcore.Entry{Time: slogbench.TestTime, Message: slogbench.TestMessage}
+	fields := attrsToFields(slogbench.TestAttrs)
+	t.Run("text", func(t *testing.T) {
+		te := newFastTextEncoder()
+		defer tePool.Put(te)
+		buf, err := te.EncodeEntry(entry, fields)
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer buf.Free()
+		got := strings.ToLower(buf.String())
+		want := strings.ToLower(slogbench.WantText)
+		if got != want {
+			t.Errorf("\ngot  %s\nwant %s", got, want)
+		}
+	})
+}
+
+func attrsToFields(attrs []slog.Attr) []zap.Field {
+	var fields []zap.Field
+	for _, a := range slogbench.TestAttrs {
+		var f zap.Field
+		k := a.Key
+		v := a.Value
+		switch v.Kind() {
+		case slog.KindString:
+			f = zap.String(k, v.String())
+		case slog.KindInt64:
+			f = zap.Int64(k, v.Int64())
+		case slog.KindDuration:
+			f = zap.Duration(k, v.Duration())
+		case slog.KindTime:
+			f = zap.Time(k, v.Time())
+		case slog.KindAny:
+			f = zap.Any(k, v)
+		default:
+			panic(fmt.Sprintf("unknown kind %d", v.Kind()))
+		}
+		fields = append(fields, f)
+	}
+	return fields
+}