1 files changed, 39 insertions, 1 deletions
diff --git a/libgo/go/html/escape_test.go b/libgo/go/html/escape_test.go
index 2d7ad8ac266..3702626a3dc 100644
--- a/libgo/go/html/escape_test.go
+++ b/libgo/go/html/escape_test.go
@@ -4,7 +4,10 @@
 
 package html
 
-import "testing"
+import (
+	"strings"
+	"testing"
+)
 
 type unescapeTest struct {
 	// A short description of the test case.
@@ -113,3 +116,38 @@ func TestUnescapeEscape(t *testing.T) {
 		}
 	}
 }
+
+var (
+	benchEscapeData = strings.Repeat("AAAAA < BBBBB > CCCCC & DDDDD ' EEEEE \" ", 100)
+	benchEscapeNone = strings.Repeat("AAAAA x BBBBB x CCCCC x DDDDD x EEEEE x ", 100)
+)
+
+func BenchmarkEscape(b *testing.B) {
+	n := 0
+	for i := 0; i < b.N; i++ {
+		n += len(EscapeString(benchEscapeData))
+	}
+}
+
+func BenchmarkEscapeNone(b *testing.B) {
+	n := 0
+	for i := 0; i < b.N; i++ {
+		n += len(EscapeString(benchEscapeNone))
+	}
+}
+
+func BenchmarkUnescape(b *testing.B) {
+	s := EscapeString(benchEscapeData)
+	n := 0
+	for i := 0; i < b.N; i++ {
+		n += len(UnescapeString(s))
+	}
+}
+
+func BenchmarkUnescapeNone(b *testing.B) {
+	s := EscapeString(benchEscapeNone)
+	n := 0
+	for i := 0; i < b.N; i++ {
+		n += len(UnescapeString(s))
+	}
+}