Initial commit: Go 1.23 release state

src/log/slog/internal/buffer/buffer_test.go

@@ -0,0 +1,40 @@
+// 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 buffer
+
+import (
+	"internal/race"
+	"internal/testenv"
+	"testing"
+)
+
+func Test(t *testing.T) {
+	b := New()
+	defer b.Free()
+	b.WriteString("hello")
+	b.WriteByte(',')
+	b.Write([]byte(" world"))
+
+	got := b.String()
+	want := "hello, world"
+	if got != want {
+		t.Errorf("got %q, want %q", got, want)
+	}
+}
+
+func TestAlloc(t *testing.T) {
+	if race.Enabled {
+		t.Skip("skipping test in race mode")
+	}
+	testenv.SkipIfOptimizationOff(t)
+	got := int(testing.AllocsPerRun(5, func() {
+		b := New()
+		defer b.Free()
+		b.WriteString("not 1K worth of bytes")
+	}))
+	if got != 0 {
+		t.Errorf("got %d allocs, want 0", got)
+	}
+}