add String benchmark

We call String all over the place so we should make sure it remains fast.
ipfs · Apr 20, 2018 · 93b08a6 · 93b08a6
1 parent 0783558
commit 93b08a6
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/cid_test.go b/cid_test.go
@@ -383,3 +383,17 @@ func TestFromJson(t *testing.T) {
 		t.Fatal("json parsing failed")
 	}
 }
+
+func BenchmarkStringV1(b *testing.B) {
+	data := []byte("this is some test content")
+	hash, _ := mh.Sum(data, mh.SHA2_256, -1)
+	cid := NewCidV1(Raw, hash)
+	b.ResetTimer()
+	count := 0
+	for i := 0; i < b.N; i++ {
+		count += len(cid.String())
+	}
+	if count != 49*b.N {
+		b.FailNow()
+	}
+}