update parse test

parse_test.go

@@ -5,7 +5,7 @@ import (
 	"testing"
 )
 
-func TestParse(t *testing.T) {
+func TestParseRabin(t *testing.T) {
 	max := 1000
 	r := bytes.NewReader(randBuf(t, max))
 	chk1 := "rabin-18-25-32"
@@ -19,3 +19,18 @@ func TestParse(t *testing.T) {
 		t.Log("it should be ErrRabinMin here.")
 	}
 }
+
+func TestParseSize(t *testing.T) {
+	max := 1000
+	r := bytes.NewReader(randBuf(t, max))
+	size1 := "size-0"
+	size2 := "size-32"
+	_, err := FromString(r, size1)
+	if err == ErrSize {
+		t.Log("it should be ErrSize here.")
+	}
+	_, err = FromString(r, size2)
+	if err == ErrSize {
+		t.Fatal(err)
+	}
+}