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#import <Foundation/NSAutoreleasePool.h>
#import <Foundation/NSString.h>
#import <Foundation/NSArray.h>
#import "Testing.h"
#if defined(__has_extension) && __has_extension(blocks)
BOOL testEnumerateSimpleLines() {
NSString *testString = @"First line\nSecond line\nThird line";
NSMutableArray *collectedLines = [NSMutableArray array];
NSArray *expectedLines = @[@"First line", @"Second line", @"Third line"];
[testString enumerateLinesUsingBlock: ^(NSString *line, BOOL *stop) {
[collectedLines addObject: line];
}];
return [collectedLines isEqualToArray: expectedLines];
}
BOOL testEnumerateCRLFLines() {
NSString *testString = @"First line\r\nSecond line\r\nThird line";
NSMutableArray *collectedLines = [NSMutableArray array];
NSArray *expectedLines = @[@"First line", @"Second line", @"Third line"];
[testString enumerateLinesUsingBlock: ^(NSString *line, BOOL *stop) {
[collectedLines addObject: line];
}];
return [collectedLines isEqualToArray: expectedLines];
}
BOOL testStopEarly() {
NSString *testString = @"First line\nSecond line\nThird line";
__block int lineCount = 0;
[testString enumerateLinesUsingBlock:^(NSString *line, BOOL *stop) {
lineCount++;
if ([line isEqualToString:@"Second line"]) {
*stop = YES;
}
}];
return lineCount == 2; // Should stop after the second line
}
BOOL testEmptyString() {
NSString *testString = @"";
__block BOOL blockCalled = NO;
[testString enumerateLinesUsingBlock:^(NSString *line, BOOL *stop) {
blockCalled = YES;
}];
return !blockCalled; // Block should not be called
}
BOOL testSingleLineNoBreaks() {
NSString *testString = @"Single line without line breaks";
__block NSString *receivedLine = nil;
[testString enumerateLinesUsingBlock:^(NSString *line, BOOL *stop) {
receivedLine = line;
}];
return [receivedLine isEqualToString:testString];
}
int main() {
NSAutoreleasePool *arp = [NSAutoreleasePool new];
PASS(testEnumerateSimpleLines(), "Should enumerate all lines correctly.");
PASS(testEnumerateCRLFLines(), "Should enumerate all CRLF lines correctly.");
PASS(testStopEarly(), "Should stop enumeration early as directed.");
PASS(testEmptyString(), "Should not call block for empty string.");
PASS(testSingleLineNoBreaks(), "Should handle single line without line breaks correctly.");
[arp release];
return 0;
}
#else
int main (int argc, const char * argv[])
{
return 0;
}
#endif
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