Remove unnecessary start/stop of benchmark timer

Author: mrekucci

sorting/charfreq_test.go

@@ -31,9 +31,8 @@ func TestCountOccurrences(t *testing.T) {
 }
 
 func benchCountOccurrences(b *testing.B, size int) {
-	b.StopTimer()
 	s := epiutil.RandStr(size, "0123456789abcdefghijklmnopqrstuvwxyz", rand.NewSource(int64(size)))
-	b.StartTimer()
+	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
 		CountOccurrences(s)
 	}

sorting/intersection_test.go

@@ -38,11 +38,10 @@ func TestIntersectSorted(t *testing.T) {
 }
 
 func benchIntersectSorted(b *testing.B, size int) {
-	b.StopTimer()
 	x := rand.New(rand.NewSource(int64(size))).Perm(size)
 	sort.Ints(x)
 	y := x[size-(size/2):]
-	b.StartTimer()
+	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
 		IntersectSorted(x, y)
 	}

sorting/merge_test.go

@@ -33,13 +33,12 @@ func TestMergeInPlace(t *testing.T) {
 }
 
 func benchMergeInPlace(b *testing.B, size int) {
-	b.StopTimer()
 	s := rand.NewSource(int64(size))
 	x := rand.New(s).Perm(2 * size / 3)
 	y := rand.New(s).Perm(size / 3)
 	sort.Ints(x)
 	sort.Ints(y)
-	b.StartTimer()
+	b.ResetTimer()
 	for i := 0; i < b.N; i++ {
 		MergeInPlace(x, y)
 	}