From 9123b24e85d44c95a30dfcb154d3be2a764d5fa3 Mon Sep 17 00:00:00 2001
From: Timofey Solomko <tsolomko@gmail.com>
Date: Mon, 21 Nov 2016 19:23:27 +0300
Subject: [PATCH] ServiceInfos of Gzip and Zlib are now Equatable.

---
 Sources/GzipArchive.swift | 10 +++++++++-
 Sources/ZlibArchive.swift | 11 ++++++++++-
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/Sources/GzipArchive.swift b/Sources/GzipArchive.swift
index 510d3d7d..cecd47c8 100644
--- a/Sources/GzipArchive.swift
+++ b/Sources/GzipArchive.swift
@@ -36,7 +36,8 @@ public class GzipArchive: Archive {
         static let fcomment: UInt8 = 0x10
     }
 
-    struct ServiceInfo {
+    struct ServiceInfo: Equatable {
+
         let magic: [UInt8]
         let method: UInt8
         let flags: UInt8
@@ -49,6 +50,13 @@ public class GzipArchive: Archive {
         var fileName: String
         var comment: String
         var crc: UInt16
+
+        public static func ==(lhs: ServiceInfo, rhs: ServiceInfo) -> Bool {
+            return lhs.magic == rhs.magic && lhs.method == rhs.method &&
+                lhs.flags == rhs.flags && lhs.mtime == rhs.mtime && lhs.extraFlags == rhs.extraFlags &&
+                lhs.osType == rhs.osType && lhs.startPoint == rhs.startPoint &&
+                lhs.fileName == rhs.fileName && lhs.comment == rhs.comment && lhs.crc == rhs.crc
+        }
     }
 
     static func serviceInfo(archiveData data: Data) throws -> ServiceInfo {
diff --git a/Sources/ZlibArchive.swift b/Sources/ZlibArchive.swift
index df26ee1d..a11c0baa 100644
--- a/Sources/ZlibArchive.swift
+++ b/Sources/ZlibArchive.swift
@@ -38,11 +38,20 @@ public class ZlibArchive: Archive {
         case slowAlgorithm = 3
     }
 
-    struct ServiceInfo {
+    struct ServiceInfo: Equatable {
+
         let compressionMethod: UInt8
         let windowSize: Int
         let compressionLevel: CompressionLevel
         var startPoint: Int
+
+        public static func ==(lhs: ServiceInfo, rhs: ServiceInfo) -> Bool {
+            return lhs.compressionMethod == rhs.compressionMethod &&
+                lhs.windowSize == rhs.windowSize &&
+                lhs.compressionLevel == rhs.compressionLevel &&
+                lhs.startPoint == rhs.startPoint
+        }
+        
     }
 
     static func serviceInfo(archiveData data: Data) throws -> ServiceInfo {