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71 lines
2.3 KiB
Mathematica
71 lines
2.3 KiB
Mathematica
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#import <Foundation/NSInvocationOperation.h>
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#import <Foundation/NSInvocation.h>
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#import <Foundation/NSOperation.h>
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#import <Foundation/NSValue.h>
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#import <Foundation/NSAutoreleasePool.h>
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#import "ObjectTesting.h"
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int main()
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{
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NSInvocationOperation *op;
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NSInvocation *inv1, *inv2;
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NSValue *val;
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int length;
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NSString *hello = @"hello", *uppercaseHello;
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NSOperationQueue *queue = [NSOperationQueue new];
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NSAutoreleasePool *arp = [NSAutoreleasePool new];
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op = [[NSInvocationOperation alloc] initWithTarget: hello
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selector: @selector(length)
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object: nil];
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[queue addOperations: [NSArray arrayWithObject: op]
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waitUntilFinished: YES];
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val = [op result];
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[val getValue: &length];
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PASS((length == 5), "Can invoke a selector on a target");
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[op release];
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inv1 = [NSInvocation invocationWithMethodSignature:
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[hello methodSignatureForSelector: @selector(uppercaseString)]];
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[inv1 setTarget: hello];
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[inv1 setSelector: @selector(uppercaseString)];
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op = [[NSInvocationOperation alloc] initWithInvocation: inv1];
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inv2 = [op invocation];
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PASS(([inv2 isEqual: inv1]), "Can recover an operation's invocation");
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[queue addOperations: [NSArray arrayWithObject: op]
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waitUntilFinished: YES];
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uppercaseHello = [op result];
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PASS(([uppercaseHello isEqualToString: @"HELLO"]), "Can schedule an NSInvocation");
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[op release];
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op = [[NSInvocationOperation alloc] initWithTarget: hello
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selector: @selector(release)
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object: nil];
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[queue addOperations: [NSArray arrayWithObject: op]
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waitUntilFinished: YES];
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PASS_EXCEPTION(([op result]), NSInvocationOperationVoidResultException,
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"Can't get result of a void invocation");
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[op release];
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op = [[NSInvocationOperation alloc] initWithTarget: hello
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selector: @selector(length)
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object: nil];
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[op cancel];
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[queue addOperations: [NSArray arrayWithObject: op]
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waitUntilFinished: YES];
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PASS_EXCEPTION(([op result]), NSInvocationOperationCancelledException,
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"Can't get the result of a cancelled invocation");
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[op release];
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op = [[NSInvocationOperation alloc] initWithTarget: hello
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selector: @selector(length)
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object: nil];
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PASS(([op result] == nil), "Result is nil before the invocation has completed");
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[op release];
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[queue release];
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[arp release]; arp = nil;
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return 0;
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}
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