1 files changed, 68 insertions, 0 deletions
diff --git a/test/bench/go1/fmt_test.go b/test/bench/go1/fmt_test.go
new file mode 100644
index 0000000..d3c6956
--- /dev/null
+++ b/test/bench/go1/fmt_test.go
@@ -0,0 +1,68 @@
+// Copyright 2013 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 go1
+
+// benchmark based on fmt/fmt_test.go
+
+import (
+	"bytes"
+	"fmt"
+	"testing"
+)
+
+func BenchmarkFmtFprintfEmpty(b *testing.B) {
+	var buf bytes.Buffer
+	for i := 0; i < b.N; i++ {
+		fmt.Fprintf(&buf, "")
+	}
+}
+
+func BenchmarkFmtFprintfString(b *testing.B) {
+	var buf bytes.Buffer
+	for i := 0; i < b.N; i++ {
+		buf.Reset()
+		fmt.Fprintf(&buf, "%s", "hello")
+	}
+}
+
+func BenchmarkFmtFprintfInt(b *testing.B) {
+	var buf bytes.Buffer
+	for i := 0; i < b.N; i++ {
+		buf.Reset()
+		fmt.Fprintf(&buf, "%d", 5)
+	}
+}
+
+func BenchmarkFmtFprintfIntInt(b *testing.B) {
+	var buf bytes.Buffer
+	for i := 0; i < b.N; i++ {
+		buf.Reset()
+		fmt.Fprintf(&buf, "%d %d", 5, 6)
+	}
+}
+
+func BenchmarkFmtFprintfPrefixedInt(b *testing.B) {
+	var buf bytes.Buffer
+	for i := 0; i < b.N; i++ {
+		buf.Reset()
+		fmt.Fprintf(&buf, "This is some meaningless prefix text that needs to be scanned %d", 6)
+	}
+}
+
+func BenchmarkFmtFprintfFloat(b *testing.B) {
+	var buf bytes.Buffer
+	for i := 0; i < b.N; i++ {
+		buf.Reset()
+		fmt.Fprintf(&buf, "%g", 5.23184)
+	}
+}
+
+func BenchmarkFmtManyArgs(b *testing.B) {
+	var buf bytes.Buffer
+	for i := 0; i < b.N; i++ {
+		buf.Reset()
+		fmt.Fprintf(&buf, "%2d/%2d/%2d %d:%d:%d %s %s\n", 3, 4, 5, 11, 12, 13, "hello", "world")
+	}
+}