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/*
* Copyright (c) 2008-2025 Jonathan Schleifer <js@nil.im>
*
* All rights reserved.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3.0 only,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* version 3.0 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3.0 along with this program. If not, see
* <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#import "ObjFW.h"
#import "ObjFWTest.h"
static const OFNotificationName notificationName =
@"OFNotificationCenterTestName";
static const OFNotificationName otherNotificationName =
@"OFNotificationCenterTestOtherName";
@interface OFNotificationCenterTests: OTTestCase
@end
@interface OFNotificationCenterTestClass: OFObject
{
@public
id _expectedObject;
int _received;
}
- (void)handleNotification: (OFNotification *)notification;
@end
@implementation OFNotificationCenterTestClass
- (void)handleNotification: (OFNotification *)notification
{
OTAssertEqualObjects(notification.name, notificationName);
OTAssert(_expectedObject == nil ||
notification.object == _expectedObject);
_received++;
}
@end
@implementation OFNotificationCenterTests
- (void)testNotificationCenter
{
OFNotificationCenter *center = [OFNotificationCenter defaultCenter];
OFNotificationCenterTestClass *test1, *test2, *test3, *test4;
OFNotification *notification;
test1 = objc_autorelease([[OFNotificationCenterTestClass alloc] init]);
test1->_expectedObject = self;
test2 = objc_autorelease([[OFNotificationCenterTestClass alloc] init]);
test3 = objc_autorelease([[OFNotificationCenterTestClass alloc] init]);
test3->_expectedObject = self;
test4 = objc_autorelease([[OFNotificationCenterTestClass alloc] init]);
/* First one intentionally added twice to test deduplication. */
[center addObserver: test1
selector: @selector(handleNotification:)
name: notificationName
object: self];
[center addObserver: test1
selector: @selector(handleNotification:)
name: notificationName
object: self];
[center addObserver: test2
selector: @selector(handleNotification:)
name: notificationName
object: nil];
[center addObserver: test3
selector: @selector(handleNotification:)
name: otherNotificationName
object: self];
[center addObserver: test4
selector: @selector(handleNotification:)
name: otherNotificationName
object: nil];
notification = [OFNotification notificationWithName: notificationName
object: nil];
[center postNotification: notification];
OTAssertEqual(test1->_received, 0);
OTAssertEqual(test2->_received, 1);
OTAssertEqual(test3->_received, 0);
OTAssertEqual(test4->_received, 0);
notification = [OFNotification notificationWithName: notificationName
object: self];
[center postNotification: notification];
OTAssertEqual(test1->_received, 1);
OTAssertEqual(test2->_received, 2);
OTAssertEqual(test3->_received, 0);
OTAssertEqual(test4->_received, 0);
notification = [OFNotification notificationWithName: notificationName
object: @"foo"];
[center postNotification: notification];
OTAssertEqual(test1->_received, 1);
OTAssertEqual(test2->_received, 3);
OTAssertEqual(test3->_received, 0);
OTAssertEqual(test4->_received, 0);
#ifdef OF_HAVE_BLOCKS
__block bool received = false;
id handle;
notification = [OFNotification notificationWithName: notificationName
object: self];
handle = [center addObserverForName: notificationName
object: self
usingBlock: ^ (OFNotification *notification_) {
OTAssertEqual(notification_, notification);
OTAssertFalse(received);
received = true;
}];
[center postNotification: notification];
OTAssertTrue(received);
OTAssertEqual(test1->_received, 2);
OTAssertEqual(test2->_received, 4);
OTAssertEqual(test3->_received, 0);
OTAssertEqual(test4->_received, 0);
/* Act like the block test didn't happen. */
[center removeObserver: handle];
test1->_received--;
test2->_received--;
#endif
[center removeObserver: test1
selector: @selector(handleNotification:)
name: notificationName
object: self];
[center removeObserver: test2
selector: @selector(handleNotification:)
name: notificationName
object: nil];
[center removeObserver: test3
selector: @selector(handleNotification:)
name: otherNotificationName
object: self];
[center removeObserver: test4
selector: @selector(handleNotification:)
name: otherNotificationName
object: nil];
notification = [OFNotification notificationWithName: notificationName
object: self];
[center postNotification: notification];
OTAssertEqual(test1->_received, 1);
OTAssertEqual(test2->_received, 3);
OTAssertEqual(test3->_received, 0);
OTAssertEqual(test4->_received, 0);
}
@end
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