From 1abb8f7e73f7ad16aeb2e238eb66a5042454fc95 Mon Sep 17 00:00:00 2001
From: Brian Buller <brian@bullercodeworks.com>
Date: Mon, 14 Nov 2016 07:56:52 -0600
Subject: [PATCH] Add test case for "70000000000000000" and fix

---
 go/hexadecimal/hexadecimal.go      | 2 +-
 go/hexadecimal/hexadecimal_test.go | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/go/hexadecimal/hexadecimal.go b/go/hexadecimal/hexadecimal.go
index 7330d76..30fb21e 100644
--- a/go/hexadecimal/hexadecimal.go
+++ b/go/hexadecimal/hexadecimal.go
@@ -45,7 +45,7 @@ func convertNumStringBase(in string, base int64) (int64, error) {
 		}
 		n += a
 
-		if n < 0 {
+		if n <= 0 && in[0] != '0' {
 			return 0, errors.New("range")
 		}
 	}
diff --git a/go/hexadecimal/hexadecimal_test.go b/go/hexadecimal/hexadecimal_test.go
index f097057..241aacd 100644
--- a/go/hexadecimal/hexadecimal_test.go
+++ b/go/hexadecimal/hexadecimal_test.go
@@ -30,6 +30,7 @@ var testCases = []struct {
 	{"2cg134", 0, "syntax"},
 	{"8000000000000000", 0, "range"},
 	{"9223372036854775809", 0, "range"},
+	{"70000000000000000", 0, "range"},
 }
 
 func TestParseHex(t *testing.T) {