add bench helper

1 files changed, 11 insertions, 3 deletions

diff --git a/sort/selection_test.go b/sort/selection_test.go
index 3881850..c5d6beb 100644
--- a/sort/selection_test.go
+++ b/sort/selection_test.go
@@ -5,8 +5,16 @@ import (
 	"testing"
 )
 
-func BenchmarkSelection1000(b *testing.B) {
+func BenchmarkSelection(b *testing.B) {
+	benchmark("Selection", 10, Selection, b)
+	benchmark("Selection", 100, Selection, b)
+	benchmark("Selection", 1000, Selection, b)
+}
+
+func TestSelection1000(t *testing.T) {
 	a := ds.RandomIntegers(1000, 1000)
-	b.ResetTimer()
-	Selection(a)
+	a = Selection(a)
+	if !Sorted(a) {
+		t.Errorf("Array not sorted: %v", a)
+	}
 }