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#import "ObjectTesting.h"
#import <Foundation/NSAutoreleasePool.h>
#import <Foundation/NSString.h>
#import <Foundation/NSArray.h>
#if defined(__has_extension) && __has_extension(blocks)
void
testMutationAffectingSubsequentCall()
{
NSMutableString *mutableString;
NSMutableArray *results;
NSArray *expectedResults;
NSRange range;
BOOL correctResults;
BOOL correctCallCount;
__block NSUInteger callCount = 0;
mutableString = [NSMutableString stringWithString: @"Hello World"];
results = [NSMutableArray array];
range = NSMakeRange(0, mutableString.length);
expectedResults = @[ @"Hello", @"World" ];
[mutableString
enumerateSubstringsInRange: range
options: NSStringEnumerationByWords
usingBlock: ^(NSString *substring, NSRange substringRange,
NSRange enclosingRange, BOOL *stop) {
[results addObject: substring];
callCount++;
if ([substring isEqualToString: @"Hello"])
{
// Simulate a mutation that affects subsequent
// enumeration "Hello " is changed to "Hello"
[mutableString
deleteCharactersInRange: NSMakeRange(
substringRange.location
+ substringRange.length,
1)];
*stop = YES;
}
}];
[mutableString
enumerateSubstringsInRange: NSMakeRange(5, mutableString.length - 5)
options: NSStringEnumerationByWords
usingBlock: ^(NSString *substring, NSRange substringRange,
NSRange enclosingRange, BOOL *stop) {
[results addObject: substring];
}];
correctResults = [results isEqualToArray: expectedResults];
correctCallCount = (callCount == 1); // Ensure only one call before stopping
PASS(correctResults && correctCallCount,
"Enumeration should adjust correctly after string mutation and handle "
"subsequent calls appropriately.");
}
void
testBasicFunctionality()
{
NSString *string;
NSMutableArray *results;
NSArray *expected;
NSRange range;
BOOL result;
string = @"Hello World";
results = [NSMutableArray array];
range = NSMakeRange(0, string.length);
expected = @[ @"Hello", @"World" ];
[string
enumerateSubstringsInRange: range
options: NSStringEnumerationByWords
usingBlock: ^(NSString *substring, NSRange substringRange,
NSRange enclosingRange, BOOL *stop) {
[results addObject: substring];
}];
PASS_EQUAL(results, expected, "Should correctly enumerate words.");
}
void
testEmptyRange()
{
NSString *string;
NSMutableArray *results;
NSRange range;
string = @"Hello World";
results = [NSMutableArray array];
range = NSMakeRange(0, 0);
[string
enumerateSubstringsInRange: range
options: NSStringEnumerationByWords
usingBlock: ^(NSString *substring, NSRange substringRange,
NSRange enclosingRange, BOOL *stop) {
[results addObject: substring];
}];
PASS(results.count == 0,
"No substrings should be enumerated for an empty range.");
}
void testLocationOffset() {
NSString *string;
NSMutableArray *results;
NSArray *expected;
NSRange range;
string = @"Hello World Continued";
results = [NSMutableArray array];
range = NSMakeRange(6, [string length] - 6);
expected = @[ @"World", @"Continued"];
[string
enumerateSubstringsInRange: range
options: NSStringEnumerationByWords
usingBlock: ^(NSString *substring, NSRange substringRange,
NSRange enclosingRange, BOOL *stop) {
[results addObject: substring];
}];
PASS_EQUAL(results, expected, "Should correctly enumerate words with location offset.");
}
void
testStoppingEnumeration()
{
NSString *string;
NSMutableArray *results;
NSRange range;
string = @"Hello World";
results = [NSMutableArray array];
range = NSMakeRange(0, [string length]);
__block BOOL didStop = NO;
[string
enumerateSubstringsInRange: range
options: NSStringEnumerationByWords
usingBlock: ^(NSString *substring, NSRange substringRange,
NSRange enclosingRange, BOOL *stop) {
if ([substring isEqualToString: @"Hello"])
{
*stop = YES;
didStop = YES;
}
[results addObject: substring];
}];
PASS(didStop && [results count] == 1 && [results[0] isEqualToString: @"Hello"],
"Enumeration should stop after 'Hello'.");
}
int
main(int argc, const char *argv[])
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
START_SET("Enumerate substrings by lines");
NSString *s1 = @"Line 1\nLine 2";
__block NSUInteger currentIteration = 0;
[s1
enumerateSubstringsInRange: (NSRange){.location = 0, .length = [s1 length]}
options: NSStringEnumerationByLines
usingBlock: ^(NSString *substring, NSRange substringRange,
NSRange enclosingRange, BOOL *stop) {
// *stop = YES;
if (currentIteration == 0)
PASS([substring isEqual: @"Line 1"],
"First line of \"Line 1\\nLine 2\" is \"Line 1\"");
if (currentIteration == 1)
PASS(
[substring isEqual: @"Line 2"],
"Second line of \"Line 1\\nLine 2\" is \"Line 2\"");
currentIteration++;
}];
PASS(currentIteration == 2,
"There are only two lines in \"Line 1\\nLine 2\"");
END_SET("Enumerate substrings by lines");
START_SET("Enumerate substrings by paragraphs");
NSString *s1 = @"Paragraph 1\nParagraph 2";
__block NSUInteger currentIteration = 0;
[s1 enumerateSubstringsInRange: (NSRange){.location = 0, .length = [s1 length]}
options: NSStringEnumerationByParagraphs
usingBlock: ^(NSString *substring, NSRange substringRange,
NSRange enclosingRange, BOOL *stop) {
// *stop = YES;
if (currentIteration == 0)
PASS([substring isEqual: @"Paragraph 1"],
"First paragraph of \"Paragraph 1\\nParagraph "
"2\" is \"Paragraph 1\"");
if (currentIteration == 1)
PASS([substring isEqual: @"Paragraph 2"],
"Second paragraph of \"Paragraph 1\\nParagraph "
"2\" is \"Paragraph 2\"");
currentIteration++;
}];
PASS(currentIteration == 2,
"There are only two paragraphs in \"Paragraph 1\\nParagraph 2\"");
END_SET("Enumerate substrings by paragraphs");
START_SET("Enumerate substrings by words");
testBasicFunctionality();
testEmptyRange();
testLocationOffset();
testStoppingEnumeration();
testMutationAffectingSubsequentCall();
NSString *s1 = @"Word1 word2.";
__block NSUInteger currentIteration = 0;
[s1 enumerateSubstringsInRange: (NSRange){.location = 0, .length = [s1 length]}
options: NSStringEnumerationByWords
usingBlock: ^(NSString *substring, NSRange substringRange,
NSRange enclosingRange, BOOL *stop) {
// *stop = YES;
if (currentIteration == 0)
PASS([substring isEqual: @"Word1"],
"First word of \"Word1 word2.\" is \"Word1\"");
if (currentIteration == 1)
PASS([substring isEqual: @"word2"],
"Second word of \"Word1 word2.\" is \"word2\"");
currentIteration++;
}];
PASS(currentIteration == 2, "There are only two words in \"Word1 word2.\"");
END_SET("Enumerate substrings by words");
START_SET("Enumerate substrings by sentences");
NSString *s1 = @"Sentence 1. Sentence 2.";
__block NSUInteger currentIteration = 0;
[s1 enumerateSubstringsInRange: (NSRange){.location = 0, .length = [s1 length]}
options: NSStringEnumerationBySentences
usingBlock: ^(NSString *substring, NSRange substringRange,
NSRange enclosingRange, BOOL *stop) {
// *stop = YES;
if (currentIteration == 0)
PASS([substring isEqual: @"Sentence 1. "],
"First sentence of \"Sentence 1. Sentence 2.\" "
"is \"Sentence 1. \"");
if (currentIteration == 1)
PASS([substring isEqual: @"Sentence 2."],
"Second sentence of \"Sentence 1. Sentence 2.\" "
"is \"Sentence 2.\"");
currentIteration++;
}];
PASS(currentIteration == 2,
"There are only two sentences in \"Sentence 1. Sentence 2.");
END_SET("Enumerate substrings by sentences");
[pool drain];
return 0;
}
#else
int
main(int argc, const char *argv[])
{
return 0;
}
#endif
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