Fix issue saving Polygon to Object (#1362)

* Fix issue saving Polygon to Object

* test fix

Author: dplewis

Parse/Parse/PFObject.m

@@ -69,7 +69,7 @@ static void PFObjectAssertValueIsKindOfValidClass(id object) {
     dispatch_once(&onceToken, ^{
         classes = @[ [NSDictionary class], [NSArray class],
                      [NSString class], [NSNumber class], [NSNull class], [NSDate class], [NSData class],
-                     [PFObject class], [PFFileObject class], [PFACL class], [PFGeoPoint class] ];
+                     [PFObject class], [PFFileObject class], [PFACL class], [PFGeoPoint class], [PFPolygon class] ];
     });
 
     for (Class class in classes) {

Parse/Tests/Unit/ObjectUnitTests.m

@@ -63,12 +63,15 @@ - (void)testConstructorFromDictionary {
     NSDate *date = [NSDate date];
     NSData *data = [@"foo" dataUsingEncoding:NSUTF8StringEncoding];
     NSNull *null = [NSNull null];
+    NSArray *testPoints = @[@[@0,@0],@[@0,@1],@[@1,@1],@[@1,@0]];
+    PFPolygon *polygon = [PFPolygon polygonWithCoordinates:testPoints];
     NSDictionary *validDictionary = @{ @"string" : string,
                                        @"number" : number,
                                        @"date" : date,
                                        @"data" : data,
                                        @"null" : null,
-                                       @"object" : object };
+                                       @"object" : object,
+                                       @"polygon" : polygon };
     PFObject *object2 = [PFObject objectWithClassName:@"Test" dictionary:validDictionary];
     XCTAssertNotNil(object2);
     XCTAssertEqualObjects(string, object2[@"string"]);
@@ -77,6 +80,7 @@ - (void)testConstructorFromDictionary {
     XCTAssertEqualObjects(object, object2[@"object"]);
     XCTAssertEqualObjects(null, object2[@"null"]);
     XCTAssertEqualObjects(data, object2[@"data"]);
+    XCTAssertEqualObjects(polygon, object2[@"polygon"]);
 
     validDictionary = @{ @"array" : @[ object, object2 ],
                          @"dictionary" : @{@"bar" : date, @"score" : number} };

Parse/Tests/Unit/PolygonUnitTests.m

@@ -14,6 +14,7 @@
 #import "PFGeoPoint.h"
 #import "PFPolygonPrivate.h"
 #import "PFTestCase.h"
+#import "PFObject.h"
 
 @interface PolygonUnitTests : PFTestCase {
     NSArray *_testPoints;
@@ -34,6 +35,13 @@ - (void)testPolygonFromCoordinates {
     XCTAssertEqualObjects(polygon.coordinates, _testPoints);
 }
 
+- (void)testPolygonSaveToObject {
+    PFPolygon *polygon = [PFPolygon polygonWithCoordinates:_testPoints];
+    PFObject *object = [PFObject objectWithClassName:@"A"];
+    object[@"bounds"] = polygon;
+    XCTAssertEqualObjects(object[@"bounds"], polygon);
+}
+
 - (void)testPolygonDictionaryEncoding {
     PFPolygon *polygon = [PFPolygon polygonWithCoordinates:_testPoints];