Add benchmark for random string generation utility

shyamjvs · shyamjvs · commit 0185e558890d · 2017-10-13T13:22:10.000+02:00
diff --git a/staging/src/k8s.io/apimachinery/pkg/util/rand/rand_test.go b/staging/src/k8s.io/apimachinery/pkg/util/rand/rand_test.go
@@ -24,6 +24,7 @@ import (
 
 const (
 	maxRangeTestCount = 500
+	testStringLength  = 32
 )
 
 func TestString(t *testing.T) {
@@ -99,3 +100,15 @@ func TestInt63nRange(t *testing.T) {
 		}
 	}
 }
+
+func BenchmarkRandomStringGeneration(b *testing.B) {
+	b.ResetTimer()
+	var s string
+	for i := 0; i < b.N; i++ {
+		s = String(testStringLength)
+	}
+	b.StopTimer()
+	if len(s) == 0 {
+		b.Fatal(s)
+	}
+}

Original file line number	Diff line number	Diff line change
`@@ -24,6 +24,7 @@ import (`
`24`	`24`
`25`	`25`	`const (`
`26`	`26`	`maxRangeTestCount = 500`
	`27`	`+ testStringLength = 32`
`27`	`28`	`)`
`28`	`29`
`29`	`30`	`func TestString(t *testing.T) {`
`@@ -99,3 +100,15 @@ func TestInt63nRange(t *testing.T) {`
`99`	`100`	`}`
`100`	`101`	`}`
`101`	`102`	`}`
	`103`	`+`
	`104`	`+func BenchmarkRandomStringGeneration(b *testing.B) {`
	`105`	`+ b.ResetTimer()`
	`106`	`+ var s string`
	`107`	`+ for i := 0; i < b.N; i++ {`
	`108`	`+ s = String(testStringLength)`
	`109`	`+ }`
	`110`	`+ b.StopTimer()`
	`111`	`+ if len(s) == 0 {`
	`112`	`+ b.Fatal(s)`
	`113`	`+ }`
	`114`	`+}`