mirror of
https://github.com/lucannez64/darling-lol.git
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lucannez64
e07cf72a15
Ignore both invalidation methods on the shared session; deliver task completion through the owning session delegate queue. Extend the standalone probe to exercise singleton reuse and a suspended custom queue. Require stable old-client process identities and complete window data before optional recovery, and continue launch after shutdown failures.
96 lines
5.3 KiB
Objective-C
96 lines
5.3 KiB
Objective-C
// Standalone CFNetwork regression: only the host runner's loopback fixture is used.
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#import <Foundation/Foundation.h>
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#import <dispatch/dispatch.h>
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#include <stdio.h>
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#include <string.h>
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static NSString *probeURL;
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static NSString *failureURL;
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static int session_check(NSString *url, int cancelled) {
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dispatch_semaphore_t sem = dispatch_semaphore_create(0);
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__block int ok = 0;
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__block int callbacks = 0;
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NSURLSessionDataTask *task = [[NSURLSession sharedSession] dataTaskWithURL:[NSURL URLWithString:url] completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
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__sync_add_and_fetch(&callbacks, 1);
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if (cancelled == 1) ok = error && [error code] == NSURLErrorCancelled;
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else if (cancelled == 2) ok = error != nil;
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else ok = !error && [data length] == 18 && memcmp([data bytes], "darling-session-ok", 18) == 0 && [(NSHTTPURLResponse *)response statusCode] == 200;
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dispatch_semaphore_signal(sem);
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}];
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if (!task || [task state] != NSURLSessionTaskStateSuspended) return 1;
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if (cancelled == 1) { [task cancel]; [task cancel]; }
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[task resume]; [task resume];
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if (dispatch_semaphore_wait(sem, dispatch_time(DISPATCH_TIME_NOW, 15 * NSEC_PER_SEC))) { printf("TIMEOUT\n"); return 2; }
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if (!ok || callbacks != 1 || [task state] != NSURLSessionTaskStateCompleted) {printf("FAIL callback=%d ok=%d\n",callbacks,ok);return 3;}
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return 0;
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}
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static dispatch_semaphore_t invalidated;
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static volatile int invalidationCount;
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@interface LifecycleProbe : NSObject <NSURLSessionDelegate>
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@end
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@implementation LifecycleProbe
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- (void)URLSession:(NSURLSession *)session didBecomeInvalidWithError:(NSError *)error {
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__sync_add_and_fetch(&invalidationCount, 1);
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dispatch_semaphore_signal(invalidated);
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}
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@end
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static int lifecycle_check(int cancel) {
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invalidated = dispatch_semaphore_create(0);
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invalidationCount = 0;
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dispatch_semaphore_t completed = dispatch_semaphore_create(0);
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__block int ok = 0;
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LifecycleProbe *delegate = [[LifecycleProbe alloc] init];
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NSURLSession *session = [[NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:delegate delegateQueue:nil] retain];
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NSURLSessionDataTask *task = [session dataTaskWithURL:[NSURL URLWithString:probeURL] completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
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ok = cancel ? (error && [error code] == NSURLErrorCancelled) : (!error && [data length] == 18);
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dispatch_semaphore_signal(completed);
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}];
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if (cancel) { [session invalidateAndCancel]; [session invalidateAndCancel]; }
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else { [task resume]; [session finishTasksAndInvalidate]; [session finishTasksAndInvalidate]; }
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if (dispatch_semaphore_wait(completed, dispatch_time(DISPATCH_TIME_NOW, 15*NSEC_PER_SEC))) return 10;
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if (dispatch_semaphore_wait(invalidated, dispatch_time(DISPATCH_TIME_NOW, 15*NSEC_PER_SEC))) return 11;
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if (!ok || invalidationCount != 1) return 12;
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[session release]; [delegate release];
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return 0;
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}
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static int queue_check(void) {
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NSOperationQueue *queue = [[NSOperationQueue alloc] init];
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[queue setMaxConcurrentOperationCount:1];
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[queue setSuspended:YES];
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NSURLSession *session = [[NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:nil delegateQueue:queue] retain];
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dispatch_semaphore_t completed = dispatch_semaphore_create(0);
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__block int callbacks = 0, correctQueue = 0;
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NSURLSessionDataTask *task = [session dataTaskWithURL:[NSURL URLWithString:probeURL] completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
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correctQueue = [NSOperationQueue currentQueue] == queue;
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++callbacks;
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dispatch_semaphore_signal(completed);
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}];
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[task cancel];
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[session finishTasksAndInvalidate];
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// A suspended delegate queue must also suspend task completion delivery.
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if (!dispatch_semaphore_wait(completed, dispatch_time(DISPATCH_TIME_NOW, 100*NSEC_PER_MSEC))) return 20;
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[queue setSuspended:NO];
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if (dispatch_semaphore_wait(completed, dispatch_time(DISPATCH_TIME_NOW, 15*NSEC_PER_SEC))) return 21;
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if (callbacks != 1 || !correctQueue) return 22;
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[session release]; [queue release];
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puts("QUEUE_PASS: completion obeys delegate queue and suspension");
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return 0;
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}
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int main(int argc, const char **argv) { @autoreleasepool {
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if (argc != 3) { puts("Usage: probe <loopback-success-url> <loopback-error-url>"); return 64; }
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probeURL = [NSString stringWithUTF8String:argv[1]];
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failureURL = [NSString stringWithUTF8String:argv[2]];
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for (int i=0;i<5;i++) if (session_check(probeURL,0)) return 1;
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if (session_check(probeURL,1)) return 2;
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if (session_check(failureURL,2)) return 3;
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[[NSURLSession sharedSession] finishTasksAndInvalidate];
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[[NSURLSession sharedSession] invalidateAndCancel];
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if (session_check(probeURL,0)) { puts("SHARED_SESSION_FAIL"); return 5; }
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puts("SHARED_SESSION_PASS: invalidation leaves singleton usable");
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if (queue_check()) { puts("QUEUE_FAIL"); return 6; }
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if (lifecycle_check(0) || lifecycle_check(1)) { puts("LIFECYCLE_FAIL"); return 4; }
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puts("LIFECYCLE_PASS: finish waits for request; cancel delivers callback; invalidation once");
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puts("URLSESSION_PASS: 5 HTTP requests and cancel/resume, callbacks exactly once");
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return 0;
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}}
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