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/*
* Copyright (c) 2008-2026 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 "OFMutableArrayTests.h"
#import "OFConcreteMutableArray.h"
@interface OFConcreteMutableArrayTests: OFMutableArrayTests
@end
static OFString *const cArray[] = {
@"Foo",
@"Bar",
@"Baz"
};
@implementation OFConcreteMutableArrayTests
- (Class)arrayClass
{
return [OFConcreteMutableArray class];
}
- (void)testDetectMutationDuringEnumeration
{
OFEnumerator *enumerator = [_mutableArray objectEnumerator];
OFString *object;
size_t i;
i = 0;
while ((object = [enumerator nextObject]) != nil) {
OTAssertEqualObjects(object, cArray[i]);
[_mutableArray replaceObjectAtIndex: i withObject: @""];
i++;
}
OTAssertEqual(i, _mutableArray.count);
[_mutableArray removeObjectAtIndex: 0];
OTAssertThrowsSpecific([enumerator nextObject],
OFEnumerationMutationException);
}
- (void)testDetectMutationDuringFastEnumeration
{
bool detected = false;
size_t i;
i = 0;
for (OFString *object in _mutableArray) {
OTAssertEqualObjects(object, cArray[i]);
[_mutableArray replaceObjectAtIndex: i withObject: @""];
i++;
}
OTAssertEqual(i, _mutableArray.count);
@try {
for (OFString *object in _mutableArray) {
(void)object;
[_mutableArray removeObjectAtIndex: 0];
}
} @catch (OFEnumerationMutationException *e) {
detected = true;
}
OTAssertTrue(detected);
}
#ifdef OF_HAVE_BLOCKS
- (void)testDetectMutationDuringEnumerateObjectsUsingBlock
{
__block size_t i;
i = 0;
[_mutableArray enumerateObjectsUsingBlock:
^ (id object, size_t idx, bool *stop) {
OTAssertEqualObjects(object, cArray[idx]);
[_mutableArray replaceObjectAtIndex: idx withObject: @""];
i++;
}];
OTAssertEqual(i, _mutableArray.count);
OTAssertThrowsSpecific(
[_mutableArray enumerateObjectsUsingBlock:
^ (id object, size_t idx, bool *stop) {
[_mutableArray removeObjectAtIndex: 0];
}],
OFEnumerationMutationException);
}
#endif
@end
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