From 849e76ca230c13e290a1efd99388ebdc779bb4a2 Mon Sep 17 00:00:00 2001
From: Kagami Hiiragi <kagami@genshiken.org>
Date: Mon, 23 Feb 2015 20:55:30 +0300
Subject: [PATCH] Bitfield.toString

---
 lib/structs.js | 10 ++++++++++
 tests/unit.js  |  8 ++++++++
 2 files changed, 18 insertions(+)

diff --git a/lib/structs.js b/lib/structs.js
index 5c240ce..34d2a7e 100644
--- a/lib/structs.js
+++ b/lib/structs.js
@@ -984,6 +984,16 @@ var Bitfield = function(size) {
     return this;
   };
 
+  BitfieldInner.prototype.toString = function() {
+    var i;
+    var str = "";
+    for (i = 0; i < this.buffer.length; i++) {
+      // Should be faster than pushing to array and joining on v8.
+      str += ("0000000" + this.buffer[i].toString(2)).slice(-8);
+    }
+    return "<Bitfield:" + str + ">";
+  };
+
   return BitfieldInner;
 };
 
diff --git a/tests/unit.js b/tests/unit.js
index 1acf65e..95ea387 100644
--- a/tests/unit.js
+++ b/tests/unit.js
@@ -455,6 +455,14 @@ describe("Common structures", function() {
       expect(ServicesBitfield().set([ServicesBitfield.NODE_NETWORK]).buffer.toString("hex")).to.equal("0000000000000001");
       expect(ServicesBitfield().set(ServicesBitfield.NODE_NETWORK).buffer.toString("hex")).to.equal("0000000000000001");
     });
+
+    it("should implement toString", function() {
+      var services = ServicesBitfield().set([
+        ServicesBitfield.NODE_NETWORK,
+        ServicesBitfield.NODE_GATEWAY,
+      ]);
+      expect(services.toString()).to.equal("<Bitfield:0000000000000000000000000000000000000000000000000000000000000101>");
+    });
   });
 
   describe("pubkey features", function() {