From a4c3a3521a1737cd827d2e2ec2521e2443baaba4 Mon Sep 17 00:00:00 2001
From: Karoy Lorentey <klorentey@apple.com>
Date: Thu, 2 Aug 2018 12:31:15 +0100
Subject: [PATCH] NSURLComponents.hash: Implement

---
 Foundation/NSURL.swift       | 13 +++++++++++++
 TestFoundation/TestURL.swift | 11 ++++++++++-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/Foundation/NSURL.swift b/Foundation/NSURL.swift
index f519981133..a6ffb2bd6c 100644
--- a/Foundation/NSURL.swift
+++ b/Foundation/NSURL.swift
@@ -983,6 +983,19 @@ open class NSURLComponents: NSObject, NSCopying {
                 && fragment == other.fragment)
     }
 
+    open override var hash: Int {
+        var hasher = Hasher()
+        hasher.combine(scheme)
+        hasher.combine(user)
+        hasher.combine(password)
+        hasher.combine(host)
+        hasher.combine(port)
+        hasher.combine(path)
+        hasher.combine(query)
+        hasher.combine(fragment)
+        return hasher.finalize()
+    }
+
     open func copy(with zone: NSZone? = nil) -> Any {
         let copy = NSURLComponents()
         copy.scheme = self.scheme
diff --git a/TestFoundation/TestURL.swift b/TestFoundation/TestURL.swift
index bad7a0ad47..d0783ec07b 100644
--- a/TestFoundation/TestURL.swift
+++ b/TestFoundation/TestURL.swift
@@ -521,6 +521,7 @@ class TestURLComponents : XCTestCase {
             ("test_port", test_portSetter),
             ("test_url", test_url),
             ("test_copy", test_copy),
+            ("test_hash", test_hash),
             ("test_createURLWithComponents", test_createURLWithComponents),
             ("test_path", test_path),
             ("test_percentEncodedPath", test_percentEncodedPath),
@@ -615,7 +616,15 @@ class TestURLComponents : XCTestCase {
         /* Assert that NSURLComponents.copy is actually a copy of NSURLComponents */ 
         XCTAssertTrue(copy.isEqual(urlComponent))
     }
-    
+
+    func test_hash() {
+        let c1 = URLComponents(string: "https://www.swift.org/path/to/file.html?id=name")!
+        let c2 = URLComponents(string: "https://www.swift.org/path/to/file.html?id=name")!
+
+        XCTAssertEqual(c1, c2)
+        XCTAssertEqual(c1.hashValue, c2.hashValue)
+    }
+
     func test_createURLWithComponents() {
         let urlComponents = NSURLComponents()
         urlComponents.scheme = "https";