Swiftgram/submodules/AsyncDisplayKit/Tests/ASCollectionsTests.mm
Peter 9bc996374f Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'
git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0ed3df1fed9bd10d79ee312a9179b632
git-subtree-split: 02bedc12816e251ad71777f9d2578329b6d2bef6
2019-06-11 18:42:43 +01:00

56 lines
1.5 KiB
Plaintext

//
// ASCollectionsTests.mm
// Texture
//
// Copyright (c) Pinterest, Inc. All rights reserved.
// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
//
#import <XCTest/XCTest.h>
#import <AsyncDisplayKit/ASCollections.h>
@interface ASCollectionsTests : XCTestCase
@end
@implementation ASCollectionsTests
- (void)testTransferArray {
id objs[2];
objs[0] = [NSObject new];
id o0 = objs[0];
objs[1] = [NSObject new];
__weak id w0 = objs[0];
__weak id w1 = objs[1];
CFTypeRef cf0 = (__bridge CFTypeRef)objs[0];
CFTypeRef cf1 = (__bridge CFTypeRef)objs[1];
XCTAssertEqual(CFGetRetainCount(cf0), 2);
XCTAssertEqual(CFGetRetainCount(cf1), 1);
NSArray *arr = [NSArray arrayByTransferring:objs count:2];
XCTAssertNil(objs[0]);
XCTAssertNil(objs[1]);
XCTAssertEqual(CFGetRetainCount(cf0), 2);
XCTAssertEqual(CFGetRetainCount(cf1), 1);
NSArray *immutableCopy = [arr copy];
XCTAssertEqual(immutableCopy, arr);
XCTAssertEqual(CFGetRetainCount(cf0), 2);
XCTAssertEqual(CFGetRetainCount(cf1), 1);
NSMutableArray *mc = [arr mutableCopy];
XCTAssertEqual(CFGetRetainCount(cf0), 3);
XCTAssertEqual(CFGetRetainCount(cf1), 2);
arr = nil;
immutableCopy = nil;
XCTAssertEqual(CFGetRetainCount(cf0), 2);
XCTAssertEqual(CFGetRetainCount(cf1), 1);
[mc removeObjectAtIndex:0];
XCTAssertEqual(CFGetRetainCount(cf0), 1);
XCTAssertEqual(CFGetRetainCount(cf1), 1);
[mc removeObjectAtIndex:0];
XCTAssertEqual(CFGetRetainCount(cf0), 1);
XCTAssertNil(w1);
o0 = nil;
XCTAssertNil(w0);
}
@end