1 files changed, 4 insertions, 7 deletions
diff --git a/src/pkg/crypto/sha1/sha1_test.go b/src/pkg/crypto/sha1/sha1_test.go
index 57cd4313e..c3868d702 100644
--- a/src/pkg/crypto/sha1/sha1_test.go
+++ b/src/pkg/crypto/sha1/sha1_test.go
@@ -54,6 +54,10 @@ var golden = []sha1Test{
 func TestGolden(t *testing.T) {
 	for i := 0; i < len(golden); i++ {
 		g := golden[i]
+		s := fmt.Sprintf("%x", Sum([]byte(g.in)))
+		if s != g.out {
+			t.Fatalf("Sum function: sha1(%s) = %s want %s", g.in, s, g.out)
+		}
 		c := New()
 		for j := 0; j < 3; j++ {
 			if j < 2 {
@@ -72,13 +76,6 @@ func TestGolden(t *testing.T) {
 	}
 }
 
-func ExampleNew() {
-	h := New()
-	io.WriteString(h, "His money is twice tainted: 'taint yours and 'taint mine.")
-	fmt.Printf("% x", h.Sum(nil))
-	// Output: 59 7f 6a 54 00 10 f9 4c 15 d7 18 06 a9 9a 2c 87 10 e7 47 bd
-}
-
 var bench = New()
 var buf = make([]byte, 8192)