[Tests] More test for NSURLRequest NSCoding

Author: Sergey Minakov

TestFoundation/TestNSURLRequest.swift

@@ -27,7 +27,9 @@ class TestNSURLRequest : XCTestCase {
             ("test_mutableCopy_1", test_mutableCopy_1),
             ("test_mutableCopy_2", test_mutableCopy_2),
             ("test_mutableCopy_3", test_mutableCopy_3),
-            ("test_NSCoding", test_NSCoding),
+            ("test_NSCoding_1", test_NSCoding_1),
+            ("test_NSCoding_2", test_NSCoding_2),
+            ("test_NSCoding_3", test_NSCoding_3)
         ]
     }
 
@@ -205,12 +207,37 @@ class TestNSURLRequest : XCTestCase {
         XCTAssertNil(originalRequest.allHTTPHeaderFields)
     }
 
-    func test_NSCoding() {
+    func test_NSCoding_1() {
         let url = URL(string: "https://apple.com")!
-        
         let requestA = NSURLRequest(url: url)
-        XCTAssertEqual(requestA.url, url)
         let requestB = NSKeyedUnarchiver.unarchiveObject(with: NSKeyedArchiver.archivedData(withRootObject: requestA)) as! NSURLRequest
         XCTAssertEqual(requestA, requestB, "Archived then unarchived url request must be equal.")
     }
+    
+    func test_NSCoding_2() {
+        let url = URL(string: "https://apple.com")!
+        let requestA = NSMutableURLRequest(url: url)
+        //Also checks crash on NSData.bytes
+        requestA.httpBody = Data()
+        let requestB = NSKeyedUnarchiver.unarchiveObject(with: NSKeyedArchiver.archivedData(withRootObject: requestA)) as! NSURLRequest
+        XCTAssertEqual(requestA, requestB, "Archived then unarchived url request must be equal.")
+        //Check `.httpBody` as it is not checked in `isEqual(_:)`
+        XCTAssertEqual(requestB.httpBody, requestA.httpBody)
+    }
+    
+    func test_NSCoding_3() {
+        let url = URL(string: "https://apple.com")!
+        let urlForDocument = URL(string: "http://ibm.com")!
+        
+        let requestA = NSMutableURLRequest(url: url)
+        requestA.mainDocumentURL = urlForDocument
+        //Also checks crash on NSData.bytes
+        requestA.httpBody = Data(bytes: [1, 2, 3])
+        let requestB = NSKeyedUnarchiver.unarchiveObject(with: NSKeyedArchiver.archivedData(withRootObject: requestA)) as! NSURLRequest
+        XCTAssertEqual(requestA, requestB, "Archived then unarchived url request must be equal.")
+        //Check `.httpBody` as it is not checked in `isEqual(_:)`
+        XCTAssertNotNil(requestB.httpBody)
+        XCTAssertEqual(3, requestB.httpBody!.count)
+        XCTAssertEqual(requestB.httpBody, requestA.httpBody)
+    }
 }