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59 lines
2.1 KiB
Mathematica
59 lines
2.1 KiB
Mathematica
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#import "Testing.h"
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#import <Foundation/NSArray.h>
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#import <Foundation/NSAutoreleasePool.h>
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#import <Foundation/NSIndexSet.h>
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#import <Foundation/NSString.h>
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#import <Foundation/NSEnumerator.h>
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static NSUInteger fooCount = 0;
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static NSUInteger lastIndex = NSNotFound;
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int main()
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{
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START_SET("NSArray Blocks")
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# ifndef __has_feature
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# define __has_feature(x) 0
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# endif
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# if __has_feature(blocks)
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NSAutoreleasePool *arp = [NSAutoreleasePool new];
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NSArray *array = [NSArray arrayWithObjects: @"foo", @"bar", @"foo", nil];
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void(^enumBlock)(id,NSUInteger,BOOL*) = ^(id obj, NSUInteger index, BOOL *stop){
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if ([obj isEqual: @"foo"]){ fooCount++;} lastIndex = index;};
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[array enumerateObjectsUsingBlock: enumBlock];
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PASS((2 == fooCount) && (lastIndex == 2),
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"Can forward enumerate array using a block");
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fooCount = 0;
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lastIndex = NSNotFound;
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[array enumerateObjectsWithOptions: NSEnumerationConcurrent
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usingBlock: enumBlock];
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PASS((2 == fooCount) && (lastIndex == 2),
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"Can forward enumerate array concurrently using a block");
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fooCount = 0;
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lastIndex = NSNotFound;
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[array enumerateObjectsWithOptions: NSEnumerationReverse
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usingBlock: enumBlock];
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PASS((0 == lastIndex), "Can enumerate array in reverse using a block");
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fooCount = 0;
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lastIndex = NSNotFound;
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enumBlock = ^(id obj, NSUInteger index, BOOL *stop){if ([obj isEqual: @"foo"]){
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fooCount++;} else if ([obj isEqual: @"bar"]){ *stop=YES;}; lastIndex =
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index;};
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[array enumerateObjectsUsingBlock: enumBlock];
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PASS(((1 == fooCount) && (lastIndex == 1)),
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"Block can stop enumeration prematurely.");
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NSIndexSet *set = [array indexesOfObjectsPassingTest: ^(id obj, NSUInteger index, BOOL* stop){ if ([obj isEqual: @"foo"]) { return YES;} return NO;}];
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PASS(((2 == [set count])
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&& (YES == [set containsIndex: 0])
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&& (YES == [set containsIndex: 2])
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&& (NO == [set containsIndex: 1])),
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"Can select object indices based on block predicate.");
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[arp release]; arp = nil;
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# else
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SKIP("No Blocks support in the compiler.")
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# endif
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END_SET("NSArray Blocks")
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return 0;
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}
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