From 93b897a8ca7797390ec6b7dbd2d49b3f0adaaf51 Mon Sep 17 00:00:00 2001
From: Jesse Tane <jesse.tane@gmail.com>
Date: Mon, 15 Dec 2014 15:49:52 -0500
Subject: [PATCH 1/3] add failing test for decoding url-safe style base64

---
 test/url-safe.js | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 test/url-safe.js

diff --git a/test/url-safe.js b/test/url-safe.js
new file mode 100644
index 0000000..42bc04e
--- /dev/null
+++ b/test/url-safe.js
@@ -0,0 +1,11 @@
+var test = require('tape'),
+  b64 = require('../lib/b64');
+
+test('decode url-safe style base64 strings', function (t) {
+  var expected = [0xff, 0xff, 0xbe, 0xff, 0xef, 0xbf, 0xfb, 0xef, 0xff];
+  
+  t.deepEqual(b64.toByteArray('//++/++/++//'), expected);
+  t.deepEqual(b64.toByteArray('__--_--_--__'), expected);
+  
+  t.end();
+});

From e747cd5965dff6b929b9d95ff66931288cde7a7d Mon Sep 17 00:00:00 2001
From: Jesse Tane <jesse.tane@gmail.com>
Date: Mon, 15 Dec 2014 15:52:53 -0500
Subject: [PATCH 2/3] decode url-safe style base64

---
 lib/b64.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/b64.js b/lib/b64.js
index 70f12c9..46001d2 100644
--- a/lib/b64.js
+++ b/lib/b64.js
@@ -12,12 +12,16 @@ var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
 	var NUMBER = '0'.charCodeAt(0)
 	var LOWER  = 'a'.charCodeAt(0)
 	var UPPER  = 'A'.charCodeAt(0)
+	var PLUS_URL_SAFE = '-'.charCodeAt(0)
+	var SLASH_URL_SAFE = '_'.charCodeAt(0)
 
 	function decode (elt) {
 		var code = elt.charCodeAt(0)
-		if (code === PLUS)
+		if (code === PLUS ||
+		    code === PLUS_URL_SAFE)
 			return 62 // '+'
-		if (code === SLASH)
+		if (code === SLASH ||
+		    code === SLASH_URL_SAFE)
 			return 63 // '/'
 		if (code < NUMBER)
 			return -1 //no match

From faebcaea416467f0b420d81a18df66985b0dd76c Mon Sep 17 00:00:00 2001
From: Jesse Tane <jesse.tane@gmail.com>
Date: Mon, 15 Dec 2014 20:31:53 -0500
Subject: [PATCH 3/3] make tests pass in node < 0.11

---
 test/url-safe.js | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/test/url-safe.js b/test/url-safe.js
index 42bc04e..dc437e9 100644
--- a/test/url-safe.js
+++ b/test/url-safe.js
@@ -3,9 +3,16 @@ var test = require('tape'),
 
 test('decode url-safe style base64 strings', function (t) {
   var expected = [0xff, 0xff, 0xbe, 0xff, 0xef, 0xbf, 0xfb, 0xef, 0xff];
-  
-  t.deepEqual(b64.toByteArray('//++/++/++//'), expected);
-  t.deepEqual(b64.toByteArray('__--_--_--__'), expected);
+
+  var actual = b64.toByteArray('//++/++/++//');
+  for (var i = 0; i < actual.length; i++) {
+    t.equal(actual[i], expected[i])
+  }
+
+  actual = b64.toByteArray('__--_--_--__');
+  for (var i = 0; i < actual.length; i++) {
+    t.equal(actual[i], expected[i])
+  }
   
   t.end();
 });