DDXMLTesting.m

#import "DDXMLTesting.h"
#import "DDXML.h"

@interface DDAssertionHandler : NSAssertionHandler
{
	BOOL shouldLogAssertionFailure;
}

@property (nonatomic, readwrite, assign) BOOL shouldLogAssertionFailure;

@end

#pragma mark -

@interface DDXMLTesting (Tests)
+ (void)setUp;
+ (void)tearDown;
+ (void)testLocalName;
+ (void)testPrefixName;
+ (void)testDoubleAdd;
+ (void)testNsGeneral;
+ (void)testNsLevel;
+ (void)testNsURI;
+ (void)testAddAttr;
+ (void)testAttrGeneral;
+ (void)testAttrSiblings;
+ (void)testAttrDocOrder;
+ (void)testAttrChildren;
+ (void)testString;
+ (void)testChildren;
+ (void)testPreviousNextNode1;
+ (void)testPreviousNextNode2;
+ (void)testPrefix;
+ (void)testURI;
+ (void)testXmlns;
+ (void)testCopy;
+ (void)testCData;
+ (void)testElements;
+ (void)testXPath;
+ (void)testNodesForXPath;
+ (void)testNSXMLBugs;
+ (void)testInsertChild;
+ (void)testElementSerialization;
+ (void)testAttributeWithColonInName;
@end

#pragma mark -

@implementation DDXMLTesting

static NSAssertionHandler *prevAssertionHandler;
static DDAssertionHandler *ddAssertionHandler;

+ (void)performTests
{
	NSDate *start = [NSDate date];
	
	[self setUp];
	
	[self testLocalName];
	[self testPrefixName];
	[self testDoubleAdd];
	[self testNsGeneral];
	[self testNsLevel];
	[self testNsURI];
	[self testAddAttr];
	[self testAttrGeneral];
	[self testAttrSiblings];
	[self testAttrDocOrder];
	[self testAttrChildren];
	[self testString];
	[self testChildren];
	[self testPreviousNextNode1];
	[self testPreviousNextNode2];
	[self testPrefix];
	[self testURI];
	[self testXmlns];
	[self testCopy];
	[self testCData];
	[self testElements];
	[self testXPath];
	[self testNodesForXPath];
	[self testNSXMLBugs];
	[self testInsertChild];
	[self testElementSerialization];
	[self testAttributeWithColonInName];

	[self tearDown];
	
	NSTimeInterval ellapsed = [start timeIntervalSinceNow] * -1.0;
	NSLog(@"Testing took %f seconds", ellapsed);
}

+ (void)setUp
{
	// We purposefully do bad things to ensure the library is throwing exceptions when it should.
	// In other words, DDXML uses the same assertions as NSXML, and we test they both throw the same exceptions
	// on bad input.
	// 
	// But the normal assertion handler does an NSLog for every failed assertion,
	// even if that assertion is caught. This clogs up our console and makes it difficult to see test cases
	// that failed. So we install our own assertion handler, and disable logging of failed assertions immediately
	// before we enter those tests designed to trigger the assertion.
	// And of course we re-enable the assertion logging when we exit those tests.
	// 
	// See the tryCatch method below.
	
	prevAssertionHandler = [[[[NSThread currentThread] threadDictionary] objectForKey:NSAssertionHandlerKey] retain];
	ddAssertionHandler = [[DDAssertionHandler alloc] init];
	
	[[[NSThread currentThread] threadDictionary] setObject:ddAssertionHandler forKey:NSAssertionHandlerKey];
}

+ (void)tearDown
{
	// Remove our custom assertion handler.
	
	if (prevAssertionHandler)
		[[[NSThread currentThread] threadDictionary] setObject:ddAssertionHandler forKey:NSAssertionHandlerKey];
	else
		[[[NSThread currentThread] threadDictionary] removeObjectForKey:NSAssertionHandlerKey];
	
	[prevAssertionHandler release]; prevAssertionHandler = nil;
	[ddAssertionHandler release]; ddAssertionHandler = nil;
}

+ (NSException *)tryCatch:(void (^)())block
{
	NSException *result = nil;
	
	ddAssertionHandler.shouldLogAssertionFailure = NO;
	@try {
		block();
	}
	@catch (NSException *e) {
		result = e;
	}
	ddAssertionHandler.shouldLogAssertionFailure = YES;
	
	return result;
}

+ (void)testLocalName
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSString *nsTest1 = [NSXMLNode localNameForName:@"a:quack"];
	NSString *ddTest1 = [DDXMLNode localNameForName:@"a:quack"];
	
	NSAssert([nsTest1 isEqualToString:ddTest1], @"Failed test 1");
	
	NSString *nsTest2 = [NSXMLNode localNameForName:@"a:a:quack"];
	NSString *ddTest2 = [DDXMLNode localNameForName:@"a:a:quack"];
	
	NSAssert([nsTest2 isEqualToString:ddTest2], @"Failed test 2");
	
	NSString *nsTest3 = [NSXMLNode localNameForName:@"quack"];
	NSString *ddTest3 = [DDXMLNode localNameForName:@"quack"];
	
	NSAssert([nsTest3 isEqualToString:ddTest3], @"Failed test 3");
	
	NSString *nsTest4 = [NSXMLNode localNameForName:@"a:"];
	NSString *ddTest4 = [DDXMLNode localNameForName:@"a:"];
	
	NSAssert([nsTest4 isEqualToString:ddTest4], @"Failed test 4");
	
	NSString *nsTest5 = [NSXMLNode localNameForName:nil];
	NSString *ddTest5 = [DDXMLNode localNameForName:nil];
	
	NSAssert(!nsTest5 && !ddTest5, @"Failed test 5");
	
	NSXMLNode *nsNode = [NSXMLNode namespaceWithName:@"tucker" stringValue:@"dog"];
	DDXMLNode *ddNode = [DDXMLNode namespaceWithName:@"tucker" stringValue:@"dog"];
	
	NSString *nsTest6 = [nsNode localName];
	NSString *ddTest6 = [ddNode localName];
	
	NSAssert([nsTest6 isEqualToString:ddTest6], @"Failed test 6");
	
	[pool drain];
}

+ (void)testPrefixName
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSString *nsTest1 = [NSXMLNode prefixForName:@"a:quack"];
	NSString *ddTest1 = [DDXMLNode prefixForName:@"a:quack"];
	
	NSAssert([nsTest1 isEqualToString:ddTest1], @"Failed test 1");
	
	NSString *nsTest2 = [NSXMLNode prefixForName:@"a:a:quack"];
	NSString *ddTest2 = [DDXMLNode prefixForName:@"a:a:quack"];
	
	NSAssert([nsTest2 isEqualToString:ddTest2], @"Failed test 2");
	
	NSString *nsTest3 = [NSXMLNode prefixForName:@"quack"];
	NSString *ddTest3 = [DDXMLNode prefixForName:@"quack"];
	
	NSAssert([nsTest3 isEqualToString:ddTest3], @"Failed test 3");
	
	NSString *nsTest4 = [NSXMLNode prefixForName:@"a:"];
	NSString *ddTest4 = [DDXMLNode prefixForName:@"a:"];
	
	NSAssert([nsTest4 isEqualToString:ddTest4], @"Failed test 4");
	
	NSString *nsTest5 = [NSXMLNode prefixForName:nil];
	NSString *ddTest5 = [DDXMLNode prefixForName:nil];
	
	NSAssert([nsTest5 isEqualToString:ddTest5], @"Failed test 5");
	
	NSXMLNode *nsNode = [NSXMLNode namespaceWithName:@"tucker" stringValue:@"dog"];
	DDXMLNode *ddNode = [DDXMLNode namespaceWithName:@"tucker" stringValue:@"dog"];
	
	NSString *nsTest6 = [nsNode prefix];
	NSString *ddTest6 = [ddNode prefix];
	
	NSAssert([nsTest6 isEqualToString:ddTest6], @"Failed test 6");
	
	[pool drain];
}

+ (void)testDoubleAdd
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSXMLElement *nsRoot1 = [NSXMLElement elementWithName:@"root1"];
	NSXMLElement *nsRoot2 = [NSXMLElement elementWithName:@"root2"];
	
	NSXMLElement *nsNode = [NSXMLElement elementWithName:@"node"];
	NSXMLNode *nsAttr = [NSXMLNode attributeWithName:@"key" stringValue:@"value"];
	NSXMLNode *nsNs = [NSXMLNode namespaceWithName:@"a" stringValue:@"domain.com"];
	
	NSException *nsInvalidAddException1 = nil;
	NSException *nsInvalidAddException2 = nil;
	NSException *nsInvalidAddException3 = nil;
	
	NSException *nsDoubleAddException1 = nil;
	NSException *nsDoubleAddException2 = nil;
	NSException *nsDoubleAddException3 = nil;
	
	nsInvalidAddException1 = [self tryCatch:^{
		// Elements can only have text, elements, processing instructions, and comments as children
		[nsRoot1 addChild:nsAttr];
	}];
	
	nsInvalidAddException2 = [self tryCatch:^{
		// Not an attribute
		[nsRoot1 addAttribute:nsNode];
	}];
	
	nsInvalidAddException3 = [self tryCatch:^{
		// Not a namespace
		[nsRoot1 addNamespace:nsNode];
	}];
	
	[nsRoot1 addChild:nsNode];
	nsDoubleAddException1 = [self tryCatch:^{
		// Cannot add a child that has a parent; detach or copy first
		[nsRoot2 addChild:nsNode]; 
	}];
	
	[nsRoot1 addAttribute:nsAttr];
	nsDoubleAddException2 = [self tryCatch:^{
		// Cannot add an attribute with a parent; detach or copy first
		[nsRoot2 addAttribute:nsAttr];
	}];
	
	[nsRoot1 addNamespace:nsNs];
	nsDoubleAddException3 = [self tryCatch:^{
		// Cannot add a namespace with a parent; detach or copy first
		[nsRoot2 addNamespace:nsNs];
	}];
	
	NSAssert(nsInvalidAddException1 != nil, @"Failed CHECK 1");
	NSAssert(nsInvalidAddException2 != nil, @"Failed CHECK 2");
	NSAssert(nsInvalidAddException3 != nil, @"Failed CHECK 3");
	
	NSAssert(nsDoubleAddException1 != nil, @"Failed CHECK 4");
	NSAssert(nsDoubleAddException2 != nil, @"Failed CHECK 5");
	NSAssert(nsDoubleAddException3 != nil, @"Failed CHECK 6");
	
	DDXMLElement *ddRoot1 = [DDXMLElement elementWithName:@"root1"];
	DDXMLElement *ddRoot2 = [DDXMLElement elementWithName:@"root2"];
	
	DDXMLElement *ddNode = [DDXMLElement elementWithName:@"node"];
	DDXMLNode *ddAttr = [DDXMLNode attributeWithName:@"key" stringValue:@"value"];
	DDXMLNode *ddNs = [DDXMLNode namespaceWithName:@"a" stringValue:@"domain.com"];
	
	NSException *ddInvalidAddException1 = nil;
	NSException *ddInvalidAddException2 = nil;
	NSException *ddInvalidAddException3 = nil;
	
	NSException *ddDoubleAddException1 = nil;
	NSException *ddDoubleAddException2 = nil;
	NSException *ddDoubleAddException3 = nil;
	
	ddInvalidAddException1 = [self tryCatch:^{
		// Elements can only have text, elements, processing instructions, and comments as children
		[ddRoot1 addChild:ddAttr];
	}];
	
	ddInvalidAddException2 = [self tryCatch:^{
		// Not an attribute
		[ddRoot1 addAttribute:ddNode];
	}];
	
	ddInvalidAddException3 = [self tryCatch:^{
		// Not a namespace
		[ddRoot1 addNamespace:ddNode];
	}];
	
	[ddRoot1 addChild:ddNode];
	ddDoubleAddException1 = [self tryCatch:^{
		// Cannot add a child that has a parent; detach or copy first
		[ddRoot2 addChild:ddNode];
	}];
	
	[ddRoot1 addAttribute:ddAttr];
	ddDoubleAddException2 = [self tryCatch:^{
		// Cannot add an attribute with a parent; detach or copy first
		[ddRoot2 addAttribute:ddAttr];
	}];
	
	[ddRoot1 addNamespace:ddNs];
	ddDoubleAddException3 = [self tryCatch:^{
		// Cannot add a namespace with a parent; detach or copy first
		[ddRoot2 addNamespace:ddNs];
	}];
	
	NSAssert(nsInvalidAddException1 != nil, @"Failed test 1");
	NSAssert(nsInvalidAddException2 != nil, @"Failed test 2");
	NSAssert(nsInvalidAddException3 != nil, @"Failed test 3");
	
	NSAssert(nsDoubleAddException1 != nil, @"Failed test 4");
	NSAssert(nsDoubleAddException2 != nil, @"Failed test 5");
	NSAssert(nsDoubleAddException3 != nil, @"Failed test 6");
	
	[pool drain];
}

+ (void)testNsGeneral
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSXMLNode *nsNs = [NSXMLNode namespaceWithName:@"a" stringValue:@"deusty.com"];
	DDXMLNode *ddNs = [DDXMLNode namespaceWithName:@"a" stringValue:@"deusty.com"];
	
	NSString *nsTest1 = [nsNs XMLString];
	NSString *ddTest1 = [ddNs XMLString];
	
	NSAssert([nsTest1 isEqualToString:ddTest1], @"Failed test 1");
	
	[nsNs setName:@"b"];
	[ddNs setName:@"b"];
	
	NSString *nsTest2 = [nsNs XMLString];
	NSString *ddTest2 = [ddNs XMLString];
	
	NSAssert([nsTest2 isEqualToString:ddTest2], @"Failed test 2");
	
	[nsNs setStringValue:@"robbiehanson.com"];
	[ddNs setStringValue:@"robbiehanson.com"];
	
	NSString *nsTest3 = [nsNs XMLString];
	NSString *ddTest3 = [ddNs XMLString];
	
	NSAssert([nsTest3 isEqualToString:ddTest3], @"Failed test 3");
	
	[pool drain];
}

+ (void)testNsLevel
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	// <root xmlns:a="apple.com">
	//   <node xmlns:d="deusty.com" xmlns:rh="robbiehanson.com"/>
	// </root>
	
	NSXMLElement *nsRoot = [NSXMLElement elementWithName:@"root"];
	NSXMLElement *nsNode = [NSXMLElement elementWithName:@"node"];
	NSXMLNode *nsNs0 = [NSXMLNode namespaceWithName:@"a" stringValue:@"apple.com"];
	NSXMLNode *nsNs1 = [NSXMLNode namespaceWithName:@"d" stringValue:@"deusty.com"];
	NSXMLNode *nsNs2 = [NSXMLNode namespaceWithName:@"rh" stringValue:@"robbiehanson.com"];
	[nsNode addNamespace:nsNs1];
	[nsNode addNamespace:nsNs2];
	[nsRoot addNamespace:nsNs0];
	[nsRoot addChild:nsNode];
	
	DDXMLElement *ddRoot = [DDXMLElement elementWithName:@"root"];
	DDXMLElement *ddNode = [DDXMLElement elementWithName:@"node"];
	DDXMLNode *ddNs0 = [DDXMLNode namespaceWithName:@"a" stringValue:@"apple.com"];
	DDXMLNode *ddNs1 = [DDXMLNode namespaceWithName:@"d" stringValue:@"deusty.com"];
	DDXMLNode *ddNs2 = [DDXMLNode namespaceWithName:@"rh" stringValue:@"robbiehanson.com"];
	[ddNode addNamespace:ddNs1];
	[ddNode addNamespace:ddNs2];
	[ddRoot addNamespace:ddNs0];
	[ddRoot addChild:ddNode];
	
	NSAssert([nsNs0 index] == [ddNs0 index], @"Failed test 1");
	NSAssert([nsNs1 index] == [ddNs1 index], @"Failed test 2");
	NSAssert([nsNs2 index] == [ddNs2 index], @"Failed test 3");
	
	NSAssert([nsNs0 level] == [ddNs0 level], @"Failed test 4");
	NSAssert([nsNs1 level] == [ddNs1 level], @"Failed test 5");
	NSAssert([nsNs2 level] == [ddNs2 level], @"Failed test 6");
	
	[pool drain];
}

+ (void)testNsURI
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSXMLElement *nsNode = [NSXMLElement elementWithName:@"duck" URI:@"quack.com"];
	DDXMLElement *ddNode = [DDXMLElement elementWithName:@"duck" URI:@"quack.com"];
	
	NSString *nsTest1 = [nsNode URI];
	NSString *ddTest1 = [ddNode URI];
	
	NSAssert([nsTest1 isEqualToString:ddTest1], @"Failed test 1");
	
	[nsNode setURI:@"food.com"];
	[ddNode setURI:@"food.com"];
	
	NSString *nsTest2 = [nsNode URI];
	NSString *ddTest2 = [ddNode URI];
	
	NSAssert([nsTest2 isEqualToString:ddTest2], @"Failed test 2");
	
	NSXMLNode *nsAttr = [NSXMLNode attributeWithName:@"duck" URI:@"quack.com" stringValue:@"quack"];
	DDXMLNode *ddAttr = [DDXMLNode attributeWithName:@"duck" URI:@"quack.com" stringValue:@"quack"];
	
	NSString *nsTest3 = [nsAttr URI];
	NSString *ddTest3 = [ddAttr URI];
	
	NSAssert([nsTest3 isEqualToString:ddTest3], @"Failed test 3");
	
	[nsAttr setURI:@"food.com"];
	[ddAttr setURI:@"food.com"];
	
	NSString *nsTest4 = [nsAttr URI];
	NSString *ddTest4 = [ddAttr URI];
	
	NSAssert([nsTest4 isEqualToString:ddTest4], @"Failed test 4");
	
	[pool drain];
}

+ (void)testAddAttr
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSString *attrName  = @"artist";
	
	NSXMLElement *nsNode = [NSXMLElement elementWithName:@"song"];
	DDXMLElement *ddNode = [DDXMLElement elementWithName:@"song"];
	
	// Test adding an attribute
	
	NSString *attrValue1 = @"John Mayer";
	
	NSXMLNode *nsAttr1 = [NSXMLNode attributeWithName:attrName stringValue:attrValue1];
	DDXMLNode *ddAttr1 = [DDXMLNode attributeWithName:attrName stringValue:attrValue1];
	
	[nsNode addAttribute:nsAttr1];
	[ddNode addAttribute:ddAttr1];
	
	NSString *nsAttrValue1 = [[nsNode attributeForName:attrName] stringValue];
	NSString *ddAttrValue1 = [[ddNode attributeForName:attrName] stringValue];
	
	NSAssert([nsAttrValue1 isEqualToString:attrValue1], @"Failed CHECK 1");
	NSAssert([ddAttrValue1 isEqualToString:attrValue1], @"Failed test 1");
	
	// Test replacing an attribute
	
	NSString *attrValue2 = @"Paramore";
	
	NSXMLNode *nsAttr2 = [NSXMLNode attributeWithName:attrName stringValue:attrValue2];
	DDXMLNode *ddAttr2 = [DDXMLNode attributeWithName:attrName stringValue:attrValue2];
	
	[nsNode addAttribute:nsAttr2];
	[ddNode addAttribute:ddAttr2];
	
	// The documentation for NSXMLElement's addAttribute: method says this:
	// 
	// "If the receiver already has an attribute with the same name, anAttribute is not added."
	// 
	// However, this is NOT the case.
	// If the receiver already has an attribute with the same name, the previous attribute is replaced.
	// 
	// Considering the fact that the API does NOT contain a setAttribute method,
	// I believe this should be the desired functionality.
	// 
	// We match the functionality rather than the documentation.
	
	NSString *nsAttrValue2 = [[nsNode attributeForName:attrName] stringValue];
	NSString *ddAttrValue2 = [[ddNode attributeForName:attrName] stringValue];
	
	NSAssert([nsAttrValue2 isEqualToString:attrValue2], @"Failed CHECK 2");
	NSAssert([ddAttrValue2 isEqualToString:attrValue2], @"Failed test 2");
	
	// Test removing an attribute
	
	[nsNode removeAttributeForName:attrName];
	[ddNode removeAttributeForName:attrName];
	
	NSAssert([nsNode attributeForName:attrName] == nil, @"Failed CHECK 3");
	NSAssert([ddNode attributeForName:attrName] == nil, @"Failed test 3");
	
	// Test detaching an attribute
	
	NSString *attrValue3 = @"Katy Perry";
	
	NSXMLNode *nsAttr3 = [NSXMLNode attributeWithName:attrName stringValue:attrValue3];
	DDXMLNode *ddAttr3 = [DDXMLNode attributeWithName:attrName stringValue:attrValue3];
	
	[nsNode addAttribute:nsAttr3];
	[ddNode addAttribute:ddAttr3];
	
	NSString *nsAttrValue3 = [[nsNode attributeForName:attrName] stringValue];
	NSString *ddAttrValue3 = [[ddNode attributeForName:attrName] stringValue];
	
	NSAssert([nsAttrValue3 isEqualToString:attrValue3], @"Failed CHECK 4");
	NSAssert([ddAttrValue3 isEqualToString:attrValue3], @"Failed test 4");
	
	[nsAttr3 detach];
	[ddAttr3 detach];
	
	NSAssert([nsNode attributeForName:attrName] == nil, @"Failed CHECK 5");
	NSAssert([ddNode attributeForName:attrName] == nil, @"Failed test 5");
	
	// Test reattaching an attribute
	
	[nsNode addAttribute:nsAttr3];
	[ddNode addAttribute:ddAttr3];
	
	nsAttrValue3 = [[nsNode attributeForName:attrName] stringValue];
	ddAttrValue3 = [[ddNode attributeForName:attrName] stringValue];
	
	NSAssert([nsAttrValue3 isEqualToString:attrValue3], @"Failed CHECK 6");
	NSAssert([ddAttrValue3 isEqualToString:attrValue3], @"Failed test 6");
	
	[pool drain];
}

+ (void)testAttrGeneral
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSXMLNode *nsAttr = [NSXMLNode attributeWithName:@"apple" stringValue:@"inc"];
	DDXMLNode *ddAttr = [DDXMLNode attributeWithName:@"apple" stringValue:@"inc"];
	
	NSString *nsStr1 = [nsAttr XMLString];
	NSString *ddStr1 = [ddAttr XMLString];
	
	NSAssert([nsStr1 isEqualToString:ddStr1], @"Failed test 1");
	
	[nsAttr setName:@"deusty"];
	[ddAttr setName:@"deusty"];
	
	NSString *nsStr2 = [nsAttr XMLString];
	NSString *ddStr2 = [ddAttr XMLString];
	
	NSAssert([nsStr2 isEqualToString:ddStr2], @"Failed test 2");
	
	[nsAttr setStringValue:@"designs"];
	[ddAttr setStringValue:@"designs"];
	
	NSString *nsStr3 = [nsAttr XMLString];
	NSString *ddStr3 = [ddAttr XMLString];
	
	NSAssert([nsStr3 isEqualToString:ddStr3], @"Failed test 3");
	
	[pool drain];
}

+ (void)testAttrSiblings
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	// <duck sound="quack" swims="YES" flys="YES"/>
	
	NSXMLElement *nsNode = [NSXMLElement elementWithName:@"duck"];
	[nsNode addAttribute:[NSXMLNode attributeWithName:@"sound" stringValue:@"quack"]];
	[nsNode addAttribute:[NSXMLNode attributeWithName:@"swims" stringValue:@"YES"]];
	[nsNode addAttribute:[NSXMLNode attributeWithName:@"flys" stringValue:@"YES"]];
	
	DDXMLElement *ddNode = [DDXMLElement elementWithName:@"duck"];
	[ddNode addAttribute:[DDXMLNode attributeWithName:@"sound" stringValue:@"quack"]];
	[ddNode addAttribute:[DDXMLNode attributeWithName:@"swims" stringValue:@"YES"]];
	[ddNode addAttribute:[DDXMLNode attributeWithName:@"flys" stringValue:@"YES"]];
	
	NSXMLNode *nsAttr = [nsNode attributeForName:@"swims"];
	DDXMLNode *ddAttr = [ddNode attributeForName:@"swims"];
	
	NSString *nsTest1 = [nsAttr XMLString];
	NSString *ddTest1 = [ddAttr XMLString];
	
	NSAssert([nsTest1 isEqualToString:ddTest1], @"Failed test 1");
	
//	NSLog(@"nsAttr prev: %@", [[nsAttr previousSibling] XMLString]);  // nil
//	NSLog(@"nsAttr next: %@", [[nsAttr nextSibling] XMLString]);      // nil
	
//	NSLog(@"ddAttr prev: %@", [[ddAttr previousSibling] XMLString]);  // sound="quack"
//	NSLog(@"ddAttr next: %@", [[ddAttr nextSibling] XMLString]);      // flys="YES"
	
//	Analysis: DDXML works and NSXML doesn't. I see no need to cripple DDXML because of that.
	
	[pool drain];
}

+ (void)testAttrDocOrder
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	// <duck sound="quack" swims="YES" flys="YES"/>
	
	NSXMLElement *nsNode = [NSXMLElement elementWithName:@"duck"];
	[nsNode addAttribute:[NSXMLNode attributeWithName:@"sound" stringValue:@"quack"]];
	[nsNode addAttribute:[NSXMLNode attributeWithName:@"swims" stringValue:@"YES"]];
	[nsNode addAttribute:[NSXMLNode attributeWithName:@"flys" stringValue:@"YES"]];
	
	DDXMLElement *ddNode = [DDXMLElement elementWithName:@"duck"];
	[ddNode addAttribute:[DDXMLNode attributeWithName:@"sound" stringValue:@"quack"]];
	[ddNode addAttribute:[DDXMLNode attributeWithName:@"swims" stringValue:@"YES"]];
	[ddNode addAttribute:[DDXMLNode attributeWithName:@"flys" stringValue:@"YES"]];
	
	NSXMLNode *nsAttr = [nsNode attributeForName:@"swims"];
	DDXMLNode *ddAttr = [ddNode attributeForName:@"swims"];
	
	NSXMLNode *nsTest1 = [nsAttr previousNode];
	DDXMLNode *ddTest1 = [ddAttr previousNode];
	
	NSAssert((!nsTest1 && !ddTest1), @"Failed test 1");
	
	NSXMLNode *nsTest2 = [nsAttr nextNode];
	DDXMLNode *ddTest2 = [ddAttr nextNode];
	
	NSAssert((!nsTest2 && !ddTest2), @"Failed test 2");
	
	// Notes: Attributes play no part in the document order.
	
	[pool drain];
}

+ (void)testAttrChildren
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSXMLNode *nsAttr1 = [NSXMLNode attributeWithName:@"deusty" stringValue:@"designs"];
	DDXMLNode *ddAttr1 = [DDXMLNode attributeWithName:@"deusty" stringValue:@"designs"];
	
	NSXMLNode *nsTest1 = [nsAttr1 childAtIndex:0];
	DDXMLNode *ddTest1 = [ddAttr1 childAtIndex:0];
	
	NSAssert((!nsTest1 && !ddTest1), @"Failed test 1");
	
	NSUInteger nsTest2 = [nsAttr1 childCount];
	NSUInteger ddTest2 = [ddAttr1 childCount];
	
	NSAssert((nsTest2 == ddTest2), @"Failed test 2");
	
	NSArray *nsTest3 = [nsAttr1 children];
	NSArray *ddTest3 = [ddAttr1 children];
	
	NSAssert((!nsTest3 && !ddTest3), @"Failed test 3");
	
	// Notes: Attributes aren't supposed to have children, although in libxml they technically do.
	// The child is simply a pointer to a text node, which contains the attribute value.
	
	[pool drain];
}

+ (void)testString
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	// <pizza>
	//   <toppings>
	//     <pepperoni/>
	//     <sausage>
	//       <mild/>
	//       <spicy/>
	//     </sausage>
	//   </toppings>
	//   <crust>
	//     <thin/>
	//     <thick/>
	//   </crust>
	// </pizza>
	
	NSXMLElement *nsNode0 = [NSXMLElement elementWithName:@"pizza"];
	NSXMLElement *nsNode1 = [NSXMLElement elementWithName:@"toppings"];
	NSXMLElement *nsNode2 = [NSXMLElement elementWithName:@"pepperoni"];
	NSXMLElement *nsNode3 = [NSXMLElement elementWithName:@"sausage"];
	NSXMLElement *nsNode4 = [NSXMLElement elementWithName:@"mild"];
	NSXMLElement *nsNode5 = [NSXMLElement elementWithName:@"spicy"];
	NSXMLElement *nsNode6 = [NSXMLElement elementWithName:@"crust"];
	NSXMLElement *nsNode7 = [NSXMLElement elementWithName:@"thin"];
	NSXMLElement *nsNode8 = [NSXMLElement elementWithName:@"thick"];
	
	[nsNode0 addChild:nsNode1];
	[nsNode0 addChild:nsNode6];
	[nsNode1 addChild:nsNode2];
	[nsNode1 addChild:nsNode3];
	[nsNode3 addChild:nsNode4];
	[nsNode3 addChild:nsNode5];
	[nsNode6 addChild:nsNode7];
	[nsNode6 addChild:nsNode8];
	
	DDXMLElement *ddNode0 = [DDXMLElement elementWithName:@"pizza"];
	DDXMLElement *ddNode1 = [DDXMLElement elementWithName:@"toppings"];
	DDXMLElement *ddNode2 = [DDXMLElement elementWithName:@"pepperoni"];
	DDXMLElement *ddNode3 = [DDXMLElement elementWithName:@"sausage"];
	DDXMLElement *ddNode4 = [DDXMLElement elementWithName:@"mild"];
	DDXMLElement *ddNode5 = [DDXMLElement elementWithName:@"spicy"];
	DDXMLElement *ddNode6 = [DDXMLElement elementWithName:@"crust"];
	DDXMLElement *ddNode7 = [DDXMLElement elementWithName:@"thin"];
	DDXMLElement *ddNode8 = [DDXMLElement elementWithName:@"thick"];
	
	[ddNode0 addChild:ddNode1];
	[ddNode0 addChild:ddNode6];
	[ddNode1 addChild:ddNode2];
	[ddNode1 addChild:ddNode3];
	[ddNode3 addChild:ddNode4];
	[ddNode3 addChild:ddNode5];
	[ddNode6 addChild:ddNode7];
	[ddNode6 addChild:ddNode8];
	
	NSXMLNode *nsAttr1 = [NSXMLNode attributeWithName:@"price" stringValue:@"1.00"];
	DDXMLNode *ddAttr1 = [DDXMLNode attributeWithName:@"price" stringValue:@"1.00"];
	
	[nsNode1 addAttribute:nsAttr1];
	[ddNode1 addAttribute:ddAttr1];
	
	[nsNode4 setStringValue:@"<just right>"];
	[ddNode4 setStringValue:@"<just right>"];
	
	[nsNode5 setStringValue:@"too hot"];
	[ddNode5 setStringValue:@"too hot"];
	
	NSString *nsTest1 = [nsNode0 stringValue];  // Returns "<just right>too hot"
	NSString *ddTest1 = [ddNode0 stringValue];
	
	NSAssert([nsTest1 isEqualToString:ddTest1], @"Failed test 1");
	
	NSString *nsTest2 = [nsAttr1 stringValue];  // Returns "1.00"
	NSString *ddTest2 = [ddAttr1 stringValue];
	
	NSAssert([nsTest2 isEqualToString:ddTest2], @"Failed test 2");
	
	[nsAttr1 setStringValue:@"1.25"];
	[ddAttr1 setStringValue:@"1.25"];
	
	NSString *nsTest3 = [nsAttr1 stringValue];  // Returns "1.25"
	NSString *ddTest3 = [ddAttr1 stringValue];
	
	NSAssert([nsTest3 isEqualToString:ddTest3], @"Failed test 3");
	
	[nsNode0 setStringValue:@"<wtf>ESCAPE</wtf>"];
	[ddNode0 setStringValue:@"<wtf>ESCAPE</wtf>"];
	
	NSString *nsTest4 = [nsNode0 stringValue];  // Returns "<wtf>ESCAPE</wtf>"
	NSString *ddTest4 = [ddNode0 stringValue];
	
	NSAssert([nsTest4 isEqualToString:ddTest4], @"Failed test 4");
	
//	NSString *nsTest5 = [nsNode0 XMLString];  // Returns "<pizza>&lt;wtf>ESCAPE&lt;/wtf></pizza>"
//	NSString *ddTest5 = [ddNode0 XMLString];  // Returns "<pizza>&lt;wtf&gt;ESCAPE&lt;/wtf&gt;</pizza>"
//	
//	NSAssert2([nsTest5 isEqualToString:ddTest5], @"Failed test 5 - ns(%@) dd(%@)", nsTest5, ddTest5);
//  
//  The DDXML version is actually more accurate, so we'll accept the difference.
	
	[pool drain];
}

+ (void)testChildren
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSMutableString *xmlStr = [NSMutableString stringWithCapacity:100];
	[xmlStr appendString:@"<?xml version=\"1.0\"?>"];
	[xmlStr appendString:@"<beers>            "];
	[xmlStr appendString:@"  <sam_adams/>     "];
	[xmlStr appendString:@"  <left_hand/>     "];
	[xmlStr appendString:@"  <goose_island/>  "];
	[xmlStr appendString:@" <!-- budweiser -->"];
	[xmlStr appendString:@"</beers>           "];
	
	NSXMLDocument *nsDoc = [[[NSXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil] autorelease];
	DDXMLDocument *ddDoc = [[[DDXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil] autorelease];
	
	NSUInteger nsChildCount = [[nsDoc rootElement] childCount];
	NSUInteger ddChildCount = [[ddDoc rootElement] childCount];
	
	NSAssert(nsChildCount == ddChildCount, @"Failed test 1");
	
	NSArray *nsChildren = [[nsDoc rootElement] children];
	NSArray *ddChildren = [[ddDoc rootElement] children];
	
	NSAssert([nsChildren count] == [ddChildren count], @"Failed test 2");
	
	NSString *nsBeer = [[[nsDoc rootElement] childAtIndex:1] name];
	NSString *ddBeer = [[[ddDoc rootElement] childAtIndex:1] name];
	
	NSAssert([nsBeer isEqualToString:ddBeer], @"Failed test 3");
	
	[pool drain];
}

+ (void)testPreviousNextNode1
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	// <pizza>
	//   <toppings>
	//     <pepperoni/>
	//     <sausage>
	//       <mild/>
	//       <spicy/>
	//     </sausage>
	//   </toppings>
	//   <crust>
	//     <thin/>
	//     <thick/>
	//   </crust>
	// </pizza>
	
	NSXMLElement *nsNode0 = [NSXMLElement elementWithName:@"pizza"];
	NSXMLElement *nsNode1 = [NSXMLElement elementWithName:@"toppings"];
	NSXMLElement *nsNode2 = [NSXMLElement elementWithName:@"pepperoni"];
	NSXMLElement *nsNode3 = [NSXMLElement elementWithName:@"sausage"];
	NSXMLElement *nsNode4 = [NSXMLElement elementWithName:@"mild"];
	NSXMLElement *nsNode5 = [NSXMLElement elementWithName:@"spicy"];
	NSXMLElement *nsNode6 = [NSXMLElement elementWithName:@"crust"];
	NSXMLElement *nsNode7 = [NSXMLElement elementWithName:@"thin"];
	NSXMLElement *nsNode8 = [NSXMLElement elementWithName:@"thick"];
	
	[nsNode0 addChild:nsNode1];
	[nsNode0 addChild:nsNode6];
	[nsNode1 addChild:nsNode2];
	[nsNode1 addChild:nsNode3];
	[nsNode3 addChild:nsNode4];
	[nsNode3 addChild:nsNode5];
	[nsNode6 addChild:nsNode7];
	[nsNode6 addChild:nsNode8];
	
	DDXMLElement *ddNode0 = [DDXMLElement elementWithName:@"pizza"];
	DDXMLElement *ddNode1 = [DDXMLElement elementWithName:@"toppings"];
	DDXMLElement *ddNode2 = [DDXMLElement elementWithName:@"pepperoni"];
	DDXMLElement *ddNode3 = [DDXMLElement elementWithName:@"sausage"];
	DDXMLElement *ddNode4 = [DDXMLElement elementWithName:@"mild"];
	DDXMLElement *ddNode5 = [DDXMLElement elementWithName:@"spicy"];
	DDXMLElement *ddNode6 = [DDXMLElement elementWithName:@"crust"];
	DDXMLElement *ddNode7 = [DDXMLElement elementWithName:@"thin"];
	DDXMLElement *ddNode8 = [DDXMLElement elementWithName:@"thick"];
	
	[ddNode0 addChild:ddNode1];
	[ddNode0 addChild:ddNode6];
	[ddNode1 addChild:ddNode2];
	[ddNode1 addChild:ddNode3];
	[ddNode3 addChild:ddNode4];
	[ddNode3 addChild:ddNode5];
	[ddNode6 addChild:ddNode7];
	[ddNode6 addChild:ddNode8];
	
	NSString *nsTest1 = [[nsNode2 nextNode] name];
	NSString *ddTest1 = [[ddNode2 nextNode] name];
	
	NSAssert2([nsTest1 isEqualToString:ddTest1], @"Failed test 1: ns(%@) dd(%@)", nsTest1, ddTest1);
	
	NSString *nsTest2 = [[nsNode3 nextNode] name];
	NSString *ddTest2 = [[ddNode3 nextNode] name];
	
	NSAssert2([nsTest2 isEqualToString:ddTest2], @"Failed test 2: ns(%@) dd(%@)", nsTest2, ddTest2);
	
	NSString *nsTest3 = [[nsNode5 nextNode] name];
	NSString *ddTest3 = [[ddNode5 nextNode] name];
	
	NSAssert2([nsTest3 isEqualToString:ddTest3], @"Failed test 3: ns(%@) dd(%@)", nsTest3, ddTest3);
	
	NSString *nsTest4 = [[nsNode5 previousNode] name];
	NSString *ddTest4 = [[ddNode5 previousNode] name];
	
	NSAssert2([nsTest4 isEqualToString:ddTest4], @"Failed test 4: ns(%@) dd(%@)", nsTest4, ddTest4);
	
	NSString *nsTest5 = [[nsNode6 previousNode] name];
	NSString *ddTest5 = [[ddNode6 previousNode] name];
	
	NSAssert2([nsTest5 isEqualToString:ddTest5], @"Failed test 5: ns(%@) dd(%@)", nsTest5, ddTest5);
	
	NSString *nsTest6 = [[nsNode8 nextNode] name];
	NSString *ddTest6 = [[ddNode8 nextNode] name];
	
	NSAssert2((!nsTest6 && !ddTest6), @"Failed test 6: ns(%@) dd(%@)", nsTest6, ddTest6);
	
	NSString *nsTest7 = [[nsNode0 previousNode] name];
	NSString *ddTest7 = [[ddNode0 previousNode] name];
	
	NSAssert2((!nsTest7 && !ddTest7), @"Failed test 7: ns(%@) dd(%@)", nsTest7, ddTest7);
	
	[pool drain];
}

+ (void)testPreviousNextNode2
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSMutableString *xmlStr = [NSMutableString stringWithCapacity:100];
	[xmlStr appendString:@"<?xml version=\"1.0\"?>"];
	[xmlStr appendString:@"<pizza>         "];
	[xmlStr appendString:@"  <toppings>    "];
	[xmlStr appendString:@"    <pepperoni/>"];
	[xmlStr appendString:@"    <sausage>   "];
	[xmlStr appendString:@"      <mild/>   "];
	[xmlStr appendString:@"      <spicy/>  "];
	[xmlStr appendString:@"    </sausage>  "];
	[xmlStr appendString:@"  </toppings>   "];
	[xmlStr appendString:@"  <crust>       "];
	[xmlStr appendString:@"    <thin/>     "];
	[xmlStr appendString:@"    <thick/>    "];
	[xmlStr appendString:@"  </crust>      "];
	[xmlStr appendString:@"</pizza>        "];
	
	NSXMLDocument *nsDoc = [[[NSXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil] autorelease];
	DDXMLDocument *ddDoc = [[[DDXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil] autorelease];
	
	NSXMLNode *nsNode0 = [nsDoc rootElement]; // pizza
	DDXMLNode *ddNode0 = [ddDoc rootElement]; // pizza
	
	NSXMLNode *nsNode2 = [[[nsDoc rootElement] childAtIndex:0] childAtIndex:0]; // pepperoni
	DDXMLNode *ddNode2 = [[[ddDoc rootElement] childAtIndex:0] childAtIndex:0]; // pepperoni
	
	NSXMLNode *nsNode3 = [[[nsDoc rootElement] childAtIndex:0] childAtIndex:1]; // sausage
	DDXMLNode *ddNode3 = [[[ddDoc rootElement] childAtIndex:0] childAtIndex:1]; // sausage
	
	NSXMLNode *nsNode5 = [[[[nsDoc rootElement] childAtIndex:0] childAtIndex:1] childAtIndex:1]; // spicy
	DDXMLNode *ddNode5 = [[[[ddDoc rootElement] childAtIndex:0] childAtIndex:1] childAtIndex:1]; // spicy
	
	NSXMLNode *nsNode6 = [[nsDoc rootElement] childAtIndex:1]; // crust
	DDXMLNode *ddNode6 = [[ddDoc rootElement] childAtIndex:1]; // crust
	
	NSXMLNode *nsNode8 = [[[nsDoc rootElement] childAtIndex:1] childAtIndex:1]; // crust
	DDXMLNode *ddNode8 = [[[ddDoc rootElement] childAtIndex:1] childAtIndex:1]; // crust
	
	NSString *nsTest1 = [[nsNode2 nextNode] name];
	NSString *ddTest1 = [[ddNode2 nextNode] name];
	
	NSAssert2([nsTest1 isEqualToString:ddTest1], @"Failed test 1: ns(%@) dd(%@)", nsTest1, ddTest1);
	
	NSString *nsTest2 = [[nsNode3 nextNode] name];
	NSString *ddTest2 = [[ddNode3 nextNode] name];
	
	NSAssert2([nsTest2 isEqualToString:ddTest2], @"Failed test 2: ns(%@) dd(%@)", nsTest2, ddTest2);
	
	NSString *nsTest3 = [[nsNode5 nextNode] name];
	NSString *ddTest3 = [[ddNode5 nextNode] name];
	
	NSAssert2([nsTest3 isEqualToString:ddTest3], @"Failed test 3: ns(%@) dd(%@)", nsTest3, ddTest3);
	
	NSString *nsTest4 = [[nsNode5 previousNode] name];
	NSString *ddTest4 = [[ddNode5 previousNode] name];
	
	NSAssert2([nsTest4 isEqualToString:ddTest4], @"Failed test 4: ns(%@) dd(%@)", nsTest4, ddTest4);
	
	NSString *nsTest5 = [[nsNode6 previousNode] name];
	NSString *ddTest5 = [[ddNode6 previousNode] name];
	
	NSAssert2([nsTest5 isEqualToString:ddTest5], @"Failed test 5: ns(%@) dd(%@)", nsTest5, ddTest5);
	
	NSString *nsTest6 = [[nsNode8 nextNode] name];
	NSString *ddTest6 = [[ddNode8 nextNode] name];
	
	NSAssert2((!nsTest6 && !ddTest6), @"Failed test 6: ns(%@) dd(%@)", nsTest6, ddTest6);
	
	NSString *nsTest7 = [[nsNode0 previousNode] name];
	NSString *ddTest7 = [[ddNode0 previousNode] name];
	
	NSAssert2((!nsTest7 && !ddTest7), @"Failed test 7: ns(%@) dd(%@)", nsTest7, ddTest7);
	
	[pool drain];
}

+ (void)testPrefix
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	// <root xmlns:a="beagle" xmlns:b="lab">
	//   <dog/>
	//   <a:dog/>
	//   <a:b:dog/>
	//   <dog xmlns="beagle"/>
	// </root>
	
	NSXMLElement *nsNode1 = [NSXMLElement elementWithName:@"dog"];
	NSXMLElement *nsNode2 = [NSXMLElement elementWithName:@"a:dog"];
	NSXMLElement *nsNode3 = [NSXMLElement elementWithName:@"a:b:dog"];
	NSXMLElement *nsNode4 = [NSXMLElement elementWithName:@"dog" URI:@"beagle"];
	
	DDXMLElement *ddNode1 = [DDXMLElement elementWithName:@"dog"];
	DDXMLElement *ddNode2 = [DDXMLElement elementWithName:@"a:dog"];
	DDXMLElement *ddNode3 = [DDXMLElement elementWithName:@"a:b:dog"];
	DDXMLElement *ddNode4 = [DDXMLElement elementWithName:@"dog" URI:@"beagle"];
	
	NSString *nsTest1 = [nsNode1 prefix];
	NSString *ddTest1 = [ddNode1 prefix];
	
	NSAssert([nsTest1 isEqualToString:ddTest1], @"Failed test 1");
	
	NSString *nsTest2 = [nsNode2 prefix];
	NSString *ddTest2 = [ddNode2 prefix];
	
	NSAssert([nsTest2 isEqualToString:ddTest2], @"Failed test 2");
	
	NSString *nsTest3 = [nsNode3 prefix];
	NSString *ddTest3 = [ddNode3 prefix];
	
	NSAssert([nsTest3 isEqualToString:ddTest3], @"Failed test 3");
	
	NSString *nsTest4 = [nsNode4 prefix];
	NSString *ddTest4 = [ddNode4 prefix];
	
	NSAssert([nsTest4 isEqualToString:ddTest4], @"Failed test 4");
	
	[pool drain];
}

+ (void)testURI
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	// <root xmlns:a="deusty.com" xmlns:b="robbiehanson.com">
	//     <test test="1"/>
	//     <a:test test="2"/>
	//     <b:test test="3"/>
	//     <test xmlns="deusty.com" test="4"/>
	//     <test xmlns="quack.com" test="5"/>
	// </root>
	
	NSXMLElement *nsRoot = [NSXMLElement elementWithName:@"root"];
	[nsRoot addNamespace:[NSXMLNode namespaceWithName:@"a" stringValue:@"deusty.com"]];
	[nsRoot addNamespace:[NSXMLNode namespaceWithName:@"b" stringValue:@"robbiehanson.com"]];
	
	NSXMLElement *nsNode1 = [NSXMLElement elementWithName:@"test"];
	[nsNode1 addAttribute:[NSXMLNode attributeWithName:@"test" stringValue:@"1"]];
	
	NSXMLElement *nsNode2 = [NSXMLElement elementWithName:@"a:test"];
	[nsNode2 addAttribute:[NSXMLNode attributeWithName:@"test" stringValue:@"2"]];
	
	NSXMLElement *nsNode3 = [NSXMLElement elementWithName:@"b:test"];
	[nsNode3 addAttribute:[NSXMLNode attributeWithName:@"test" stringValue:@"3"]];
	
	NSXMLElement *nsNode4 = [NSXMLElement elementWithName:@"test" URI:@"deusty.com"];
	[nsNode4 addAttribute:[NSXMLNode attributeWithName:@"test" stringValue:@"4"]];
	
	NSXMLElement *nsNode5 = [NSXMLElement elementWithName:@"test" URI:@"quack.com"];
	[nsNode5 addAttribute:[NSXMLNode attributeWithName:@"test" stringValue:@"5"]];
	
	[nsRoot addChild:nsNode1];
	[nsRoot addChild:nsNode2];
	[nsRoot addChild:nsNode3];
	[nsRoot addChild:nsNode4];
	[nsRoot addChild:nsNode5];
	
	DDXMLElement *ddRoot = [DDXMLElement elementWithName:@"root"];
	[ddRoot addNamespace:[DDXMLNode namespaceWithName:@"a" stringValue:@"deusty.com"]];
	[ddRoot addNamespace:[DDXMLNode namespaceWithName:@"b" stringValue:@"robbiehanson.com"]];
	
	DDXMLElement *ddNode1 = [DDXMLElement elementWithName:@"test"];
	[ddNode1 addAttribute:[DDXMLNode attributeWithName:@"test" stringValue:@"1"]];
	
	DDXMLElement *ddNode2 = [DDXMLElement elementWithName:@"a:test"];
	[ddNode2 addAttribute:[DDXMLNode attributeWithName:@"test" stringValue:@"2"]];
	
	DDXMLElement *ddNode3 = [DDXMLElement elementWithName:@"b:test"];
	[ddNode3 addAttribute:[DDXMLNode attributeWithName:@"test" stringValue:@"3"]];
	
	DDXMLElement *ddNode4 = [DDXMLElement elementWithName:@"test" URI:@"deusty.com"];
	[ddNode4 addAttribute:[DDXMLNode attributeWithName:@"test" stringValue:@"4"]];
	
	DDXMLElement *ddNode5 = [DDXMLElement elementWithName:@"test" URI:@"quack.com"];
	[ddNode5 addAttribute:[DDXMLNode attributeWithName:@"test" stringValue:@"5"]];
	
	[ddRoot addChild:ddNode1];
	[ddRoot addChild:ddNode2];
	[ddRoot addChild:ddNode3];
	[ddRoot addChild:ddNode4];
	[ddRoot addChild:ddNode5];
	
	NSString *nsTest1 = [[nsNode1 resolveNamespaceForName:[nsNode1 name]] stringValue];
	NSString *ddTest1 = [[ddNode1 resolveNamespaceForName:[ddNode1 name]] stringValue];
	
	NSAssert(!nsTest1 && !ddTest1, @"Failed test 1");
	
	NSString *nsTest2 = [[nsNode2 resolveNamespaceForName:[nsNode2 name]] stringValue];
	NSString *ddTest2 = [[ddNode2 resolveNamespaceForName:[ddNode2 name]] stringValue];
	
	NSAssert2([nsTest2 isEqualToString:ddTest2], @"Failed test 2: ns(%@) dd(%@)", nsTest2, ddTest2);
	
	NSString *nsTest3 = [[nsNode3 resolveNamespaceForName:[nsNode3 name]] stringValue];
	NSString *ddTest3 = [[ddNode3 resolveNamespaceForName:[ddNode3 name]] stringValue];
	
	NSAssert([nsTest3 isEqualToString:ddTest3], @"Failed test 3");
	
	NSString *nsTest4 = [[nsNode4 resolveNamespaceForName:[nsNode4 name]] stringValue];
	NSString *ddTest4 = [[ddNode4 resolveNamespaceForName:[ddNode4 name]] stringValue];
	
	NSAssert2(!nsTest4 && !ddTest4, @"Failed test 4: ns(%@) dd(%@)", nsTest4, ddTest4);
	
	NSString *nsTest5 = [nsNode4 resolvePrefixForNamespaceURI:@"deusty.com"];
	NSString *ddTest5 = [ddNode4 resolvePrefixForNamespaceURI:@"deusty.com"];
	
	NSAssert2([nsTest5 isEqualToString:ddTest5], @"Failed test 5: ns(%@) dd(%@)", nsTest5, ddTest5);
	
	NSString *nsTest6 = [nsNode4 resolvePrefixForNamespaceURI:@"robbiehanson.com"];
	NSString *ddTest6 = [ddNode4 resolvePrefixForNamespaceURI:@"robbiehanson.com"];
	
	NSAssert([nsTest6 isEqualToString:ddTest6], @"Failed test 6");
	
	NSString *nsTest7 = [nsNode4 resolvePrefixForNamespaceURI:@"quack.com"];
	NSString *ddTest7 = [ddNode4 resolvePrefixForNamespaceURI:@"quack.com"];
	
	NSAssert(!nsTest7 && !ddTest7, @"Failed test 7");
	
	NSString *nsTest8 = [nsNode4 resolvePrefixForNamespaceURI:nil];
	NSString *ddTest8 = [ddNode4 resolvePrefixForNamespaceURI:nil];
	
	NSAssert(!nsTest8 && !ddTest8, @"Failed test 8");
	
	NSUInteger nsTest9  = [[nsRoot elementsForName:@"test"] count];  // Returns test1, test4, test5
	NSUInteger ddTest9  = [[ddRoot elementsForName:@"test"] count];  // Returns test1, test4, test5
	
	NSAssert(nsTest9 == ddTest9, @"Failed test 9");
	
	NSUInteger nsTest10 = [[nsRoot elementsForName:@"a:test"] count];  // Returns node2 and node4
	NSUInteger ddTest10 = [[ddRoot elementsForName:@"a:test"] count];  // Returns node2 and node4
	
	NSAssert(nsTest10 == ddTest10, @"Failed test 10");
	
	NSUInteger nsTest11 = [[nsRoot elementsForLocalName:@"test" URI:@"deusty.com"] count];  // Returns node2 and node4
	NSUInteger ddTest11 = [[ddRoot elementsForLocalName:@"test" URI:@"deusty.com"] count];  // Returns node2 and node4
	
	NSAssert(nsTest11 == ddTest11, @"Failed test 11");
	
	NSUInteger nsTest12 = [[nsRoot elementsForLocalName:@"a:test" URI:@"deusty.com"] count];  // Returns nothing
	NSUInteger ddTest12 = [[ddRoot elementsForLocalName:@"a:test" URI:@"deusty.com"] count];  // Returns nothing
	
	NSAssert(nsTest12 == ddTest12, @"Failed test 12");
	
	NSUInteger nsTest13 = [[nsRoot elementsForLocalName:@"test" URI:@"quack.com"] count];  // Returns node5
	NSUInteger ddTest13 = [[ddRoot elementsForLocalName:@"test" URI:@"quack.com"] count];  // Returns node5
	
	NSAssert(nsTest13 == ddTest13, @"Failed test 13");
	
	[pool drain];
}

+ (void)testXmlns
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSString *parseMe = @"<query xmlns=\"jabber:iq:roster\"></query>";
	NSData *data = [parseMe dataUsingEncoding:NSUTF8StringEncoding];
	
	NSXMLDocument *nsDoc = [[[NSXMLDocument alloc] initWithData:data options:0 error:nil] autorelease];
	NSXMLElement *nsRootElement = [nsDoc rootElement];
	
	DDXMLDocument *ddDoc = [[[DDXMLDocument alloc] initWithData:data options:0 error:nil] autorelease];
	DDXMLElement *ddRootElement = [ddDoc rootElement];
	
	// Both URI and namespaceForPrefix:@"" should return "jabber:iq:roster"
	
	NSString *nsTest1 = [nsRootElement URI];
	NSString *ddTest1 = [ddRootElement URI];
	
	NSAssert([nsTest1 isEqualToString:ddTest1], @"Failed test 1");
	
	NSString *nsTest2 = [[nsRootElement namespaceForPrefix:@""] stringValue];
	NSString *ddTest2 = [[ddRootElement namespaceForPrefix:@""] stringValue];
	
	NSAssert([nsTest2 isEqualToString:ddTest2], @"Failed test 2");
	
	// In NSXML namespaceForPrefix:nil returns nil
	// In DDXML namespaceForPrefix:nil returns the same as namespaceForPrefix:@""
	// 
	// This actually makes more sense, as many users would consider a prefix of nil or an empty string to be the same.
	// Plus many XML documents state that a prefix of nil or "" should be treated equally.
	// 
	// This difference comes into play in other areas.
	// 
	// In NSXML creating a namespace with prefix:nil doesn't work.
	// In DDXML creating a namespace with prefix:nil acts as if you had passed an empty string.
	
	NSUInteger nsTest3 = [[nsRootElement namespaces] count];
	NSUInteger ddTest3 = [[ddRootElement namespaces] count];
	
	NSAssert(nsTest3 == ddTest3, @"Failed test 3");
	
	// An odd quirk of NSXML is that if the data is parsed, then the namespaces array contains the default namespace.
	// However, if the XML tree is generated in code, and the default namespace was set via setting the URI,
	// then the namespaces array doesn't contain that default namespace.
	// If instead the addNamespace method is used to add the default namespace, then it is contained in the array,
	// and the URI is also properly set.
	// 
	// I consider this to be a bug in NSXML.
	
	NSString *nsTest4 = [[nsRootElement resolveNamespaceForName:@""] stringValue];
	NSString *ddTest4 = [[ddRootElement resolveNamespaceForName:@""] stringValue];
	
	NSAssert([nsTest4 isEqualToString:ddTest4], @"Failed test 4");
	
	// Oddly enough, even though NSXML seems completely resistant to nil namespace prefixes, this works fine
	NSString *nsTest5 = [[nsRootElement resolveNamespaceForName:nil] stringValue];
	NSString *ddTest5 = [[ddRootElement resolveNamespaceForName:nil] stringValue];
	
	NSAssert([nsTest5 isEqualToString:ddTest5], @"Failed test 5");
	
	NSXMLElement *nsNode = [NSXMLElement elementWithName:@"query"];
	[nsNode addNamespace:[NSXMLNode namespaceWithName:@"" stringValue:@"jabber:iq:auth"]];
	
	DDXMLElement *ddNode = [DDXMLElement elementWithName:@"query"];
	[ddNode addNamespace:[DDXMLNode namespaceWithName:@"" stringValue:@"jabber:iq:auth"]];
	
	NSString *nsTest6 = [[nsNode resolveNamespaceForName:@""] stringValue];
	NSString *ddTest6 = [[ddNode resolveNamespaceForName:@""] stringValue];
	
	NSAssert([nsTest6 isEqualToString:ddTest6], @"Failed test 6");
	
	NSString *nsTest7 = [[nsNode resolveNamespaceForName:nil] stringValue];
	NSString *ddTest7 = [[ddNode resolveNamespaceForName:nil] stringValue];
	
	NSAssert([nsTest7 isEqualToString:ddTest7], @"Failed test 7");
	
	NSString *nsTest8 = [nsNode URI];
	NSString *ddTest8 = [ddNode URI];
	
	NSAssert([nsTest8 isEqualToString:ddTest8], @"Failed test 8");
	
	NSUInteger nsTest9 = [[nsNode namespaces] count];
	NSUInteger ddTest9 = [[ddNode namespaces] count];
	
	NSAssert(nsTest9 == ddTest9, @"Failed test 9");
	
	[pool drain];
}

+ (void)testCopy
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	// <parent>
	//   <child age="4">Billy</child>
	// </parent>
	
	NSString *xmlStr = @"<parent><child age=\"4\">Billy</child></parent>";
	
	NSXMLDocument *nsDoc = [[[NSXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil] autorelease];
	DDXMLDocument *ddDoc = [[[DDXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil] autorelease];
	
	// Test Document copy
	
	NSXMLDocument *nsDocCopy = [[nsDoc copy] autorelease];
	[[nsDocCopy rootElement] addAttribute:[NSXMLNode attributeWithName:@"type" stringValue:@"mom"]];
	
	NSXMLNode *nsDocAttr = [[nsDoc rootElement] attributeForName:@"type"];
	NSXMLNode *nsDocCopyAttr = [[nsDocCopy rootElement] attributeForName:@"type"];
	
	NSAssert(nsDocAttr == nil, @"Failed CHECK 1");
	NSAssert(nsDocCopyAttr != nil, @"Failed CHECK 2");
	
	DDXMLDocument *ddDocCopy = [[ddDoc copy] autorelease];
	[[ddDocCopy rootElement] addAttribute:[DDXMLNode attributeWithName:@"type" stringValue:@"mom"]];
	
	DDXMLNode *ddDocAttr = [[ddDoc rootElement] attributeForName:@"type"];
	DDXMLNode *ddDocCopyAttr = [[ddDocCopy rootElement] attributeForName:@"type"];
	
	NSAssert(ddDocAttr == nil, @"Failed test 1");
	NSAssert(ddDocCopyAttr != nil, @"Failed test 2");
	
	// Test Element copy
	
	NSXMLElement *nsElement = [[[nsDoc rootElement] elementsForName:@"child"] objectAtIndex:0];
	NSXMLElement *nsElementCopy = [[nsElement copy] autorelease];
	
	NSAssert([nsElement parent] != nil, @"Failed CHECK 3");
	NSAssert([nsElementCopy parent] == nil, @"Failed CHECK 4");
	
	[nsElementCopy addAttribute:[NSXMLNode attributeWithName:@"type" stringValue:@"son"]];
	
	NSXMLNode *nsElementAttr = [nsElement attributeForName:@"type"];
	NSXMLNode *nsElementCopyAttr = [nsElementCopy attributeForName:@"type"];
	
	NSAssert(nsElementAttr == nil, @"Failed CHECK 5");
	NSAssert(nsElementCopyAttr != nil, @"Failed CHECK 6");
	
	DDXMLElement *ddElement = [[[ddDoc rootElement] elementsForName:@"child"] objectAtIndex:0];
	DDXMLElement *ddElementCopy = [[ddElement copy] autorelease];
		
	NSAssert([nsElement parent] != nil, @"Failed test 3");
	NSAssert([nsElementCopy parent] == nil, @"Failed test 4");
	
	[ddElementCopy addAttribute:[DDXMLNode attributeWithName:@"type" stringValue:@"son"]];
	
	DDXMLNode *ddElementAttr = [ddElement attributeForName:@"type"];
	DDXMLNode *ddElementCopyAttr = [ddElementCopy attributeForName:@"type"];
	
	NSAssert(ddElementAttr == nil, @"Failed test 5");
	NSAssert(ddElementCopyAttr != nil, @"Failed test 6");
	
	// Test Node copy
	
	NSXMLNode *nsAttr = [nsElement attributeForName:@"age"];
	NSXMLNode *nsAttrCopy = [[nsAttr copy] autorelease];
	
	NSAssert([nsAttr parent] != nil, @"Failed CHECK 7");
	NSAssert([nsAttrCopy parent] == nil, @"Failed CHECK 8");
	
	[nsAttrCopy setStringValue:@"5"];
	
	NSString *nsAttrValue = [nsAttr stringValue];
	NSString *nsAttrCopyValue = [nsAttrCopy stringValue];
	
	NSAssert([nsAttrValue isEqualToString:@"4"], @"Failed CHECK 9");
	NSAssert([nsAttrCopyValue isEqualToString:@"5"], @"Failed CHECK 10");
	
	DDXMLNode *ddAttr = [ddElement attributeForName:@"age"];
	DDXMLNode *ddAttrCopy = [[ddAttr copy] autorelease];
	
	NSAssert([ddAttr parent] != nil, @"Failed test 7");
	NSAssert([ddAttrCopy parent] == nil, @"Failed test 8");
	
	[ddAttrCopy setStringValue:@"5"];
	
	NSString *ddAttrValue = [ddAttr stringValue];
	NSString *ddAttrCopyValue = [ddAttrCopy stringValue];
	
	NSAssert([ddAttrValue isEqualToString:@"4"], @"Failed test 9");
	NSAssert([ddAttrCopyValue isEqualToString:@"5"], @"Failed test 10");
	
	[pool drain];
}

+ (void)testCData
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	// <?xml version="1.0"?>
	// <request>
	//   <category>
	//     <name><![CDATA[asdfdsfafasdfsf]]></name>
	//     <type><![CDATA[post]]></type>
	//   </category>
	// </request>
	
	NSMutableString *xmlStr = [NSMutableString stringWithCapacity:100];
	[xmlStr appendString:@"<?xml version=\"1.0\"?>"];
	[xmlStr appendString:@"<request>"];
	[xmlStr appendString:@"  <category>"];
	[xmlStr appendString:@"    <name><![CDATA[asdfdsfafasdfsf]]></name>"];
	[xmlStr appendString:@"    <type><![CDATA[post]]></type>"];
	[xmlStr appendString:@"  </category>"];
	[xmlStr appendString:@"</request>"];
	
	DDXMLDocument *ddDoc = [[DDXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil];
	
	[ddDoc release];
	
	[pool drain];
}

+ (void)testElements
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSMutableString *xmlStr = [NSMutableString stringWithCapacity:100];
	[xmlStr appendString:@"<?xml version=\"1.0\"?>"];
	[xmlStr appendString:@"<request>"];
	[xmlStr appendString:@"  <category>"];
	[xmlStr appendString:@"    <name>Jojo</name>"];
	[xmlStr appendString:@"    <type>Mama</type>"];
	[xmlStr appendString:@"  </category>"];
	[xmlStr appendString:@"</request>"];
	
	NSArray *children = nil;
	int i = 0;
	
	NSXMLDocument *nsDoc = [[NSXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil];
	
	children = [[nsDoc rootElement] children];
	for(i = 0; i < [children count]; i++)
	{
		NSXMLNode *child = [children objectAtIndex:i];
				
		if([child kind] == NSXMLElementKind)
		{
			NSAssert([child isMemberOfClass:[NSXMLElement class]], @"Failed CHECK 1");
		}
	}
	[nsDoc release];
	
	DDXMLDocument *ddDoc = [[DDXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil];
	
	children = [[ddDoc rootElement] children];
	for(i = 0; i < [children count]; i++)
	{
		DDXMLNode *child = [children objectAtIndex:i];
		
		if([child kind] == DDXMLElementKind)
		{
			NSAssert([child isMemberOfClass:[DDXMLElement class]], @"Failed test 1");
		}
	}
	[ddDoc release];
	
	[pool drain];
}

+ (void)testXPath
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSMutableString *xmlStr = [NSMutableString stringWithCapacity:100];
	[xmlStr appendString:@"<?xml version=\"1.0\"?>"];
	[xmlStr appendString:@"<menu xmlns=\"food.com\" xmlns:a=\"deusty.com\">"];
	[xmlStr appendString:@"  <salad>"];
	[xmlStr appendString:@"    <name>Ceasar</name>"];
	[xmlStr appendString:@"    <price>1.99</price>"];
	[xmlStr appendString:@"  </salad>"];
	[xmlStr appendString:@"  <pizza>"];
	[xmlStr appendString:@"    <name>Supreme</name>"];
	[xmlStr appendString:@"    <price>9.99</price>"];
	[xmlStr appendString:@"  </pizza>"];
	[xmlStr appendString:@"  <pizza>"];
	[xmlStr appendString:@"    <name>Three Cheese</name>"];
	[xmlStr appendString:@"    <price>7.99</price>"];
	[xmlStr appendString:@"  </pizza>"];
	[xmlStr appendString:@"  <beer tap=\"yes\"/>"];
	[xmlStr appendString:@"</menu>"];
	
	int i = 0;
	
	NSXMLDocument *nsDoc = [[NSXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil];
	DDXMLDocument *ddDoc = [[DDXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil];
	
	NSXMLElement *nsMenu = [nsDoc rootElement];
	DDXMLElement *ddMenu = [ddDoc rootElement];
	
	NSString *nsDocXPath = [nsDoc XPath]; // empty string
	NSString *ddDocXPath = [ddDoc XPath]; // empty string
	
	NSAssert([nsDocXPath isEqualToString:ddDocXPath], @"Failed test 1");
	
	NSString *nsMenuXPath = [nsMenu XPath];
	NSString *ddMenuXPath = [ddMenu XPath];
	
	NSAssert([nsMenuXPath isEqualToString:ddMenuXPath], @"Failed test 2");
	
	NSArray *nsChildren = [nsMenu children];
	NSArray *ddChildren = [ddMenu children];
	
	NSAssert([nsChildren count] == [ddChildren count], @"Failed CHECK 1");
	
	for(i = 0; i < [nsChildren count]; i++)
	{
		NSString *nsChildXPath = [[nsChildren objectAtIndex:i] XPath];
		NSString *ddChildXPath = [[ddChildren objectAtIndex:i] XPath];
		
		NSAssert([nsChildXPath isEqualToString:ddChildXPath], @"Failed test 3");
	}
	
	NSXMLElement *nsBeer = [[nsMenu elementsForName:@"beer"] objectAtIndex:0];
	DDXMLElement *ddBeer = [[ddMenu elementsForName:@"beer"] objectAtIndex:0];
	
	NSArray *nsAttributes = [nsBeer attributes];
	NSArray *ddAttributes = [ddBeer attributes];
	
	NSAssert([nsAttributes count] == [ddAttributes count], @"Failed CHECK 2");
	
	for(i = 0; i < [nsAttributes count]; i++)
	{
		NSString *nsAttrXPath = [[nsAttributes objectAtIndex:i] XPath];
		NSString *ddAttrXPath = [[ddAttributes objectAtIndex:i] XPath];
		
		NSAssert2([nsAttrXPath isEqualToString:ddAttrXPath],
				  @"Failed test 4: ns(%@) != dd(%@)", nsAttrXPath, ddAttrXPath);
	}

	NSArray *nsNamespaces = [nsMenu namespaces];
	NSArray *ddNamespaces = [ddMenu namespaces];
	
	NSAssert([nsNamespaces count] == [ddNamespaces count], @"Failed CHECK 3");
	
	for(i = 0; i < [nsNamespaces count]; i++)
	{
		NSString *nsNamespaceXPath = [[nsNamespaces objectAtIndex:i] XPath];
		NSString *ddNamespaceXPath = [[ddNamespaces objectAtIndex:i] XPath];
		
		NSAssert2([nsNamespaceXPath isEqualToString:ddNamespaceXPath], @"Failed test 5 - ns(%@) dd(%@)",
		                                                                 nsNamespaceXPath, ddNamespaceXPath);
	}
	
	[nsDoc release];
	[ddDoc release];
	
	NSXMLElement *nsElement1 = [NSXMLElement elementWithName:@"duck"];
	NSXMLElement *nsElement2 = [NSXMLElement elementWithName:@"quack"];
	[nsElement1 addChild:nsElement2];
	
	DDXMLElement *ddElement1 = [DDXMLElement elementWithName:@"duck"];
	DDXMLElement *ddElement2 = [DDXMLElement elementWithName:@"quack"];
	[ddElement1 addChild:ddElement2];
	
	NSString *nsElement1XPath = [nsElement1 XPath];
	NSString *ddElement1XPath = [ddElement1 XPath];
	
	NSAssert2([nsElement1XPath isEqualToString:ddElement1XPath],
			  @"Failed test 6: ns(%@) != dd(%@)", nsElement1XPath, ddElement1XPath);
	
	NSString *nsElement2XPath = [nsElement2 XPath];
	NSString *ddElement2XPath = [ddElement2 XPath];
	
	NSAssert2([nsElement2XPath isEqualToString:ddElement2XPath],
	          @"Failed test 7: ns(%@) != dd(%@)", nsElement2XPath, ddElement2XPath);
	
	NSXMLNode *nsAttr = [NSXMLNode attributeWithName:@"deusty" stringValue:@"designs"];
	NSXMLNode *ddAttr = [DDXMLNode attributeWithName:@"deusty" stringValue:@"designs"];
	
	NSString *nsAttrXPath = [nsAttr XPath];
	NSString *ddAttrXPath = [ddAttr XPath];
	
	NSAssert2([nsAttrXPath isEqualToString:ddAttrXPath],
			  @"Failed test 8: ns(%@) != dd(%@)", nsAttrXPath, ddAttrXPath);
	
	[pool drain];
}

+ (void)testNodesForXPath
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSMutableString *xmlStr = [NSMutableString stringWithCapacity:100];
	[xmlStr appendString:@"<?xml version=\"1.0\"?>"];
	[xmlStr appendString:@"<menu xmlns:a=\"tap\">"];
	[xmlStr appendString:@"  <salad>"];
	[xmlStr appendString:@"    <name>Ceasar</name>"];
	[xmlStr appendString:@"    <price>1.99</price>"];
	[xmlStr appendString:@"  </salad>"];
	[xmlStr appendString:@"  <pizza>"];
	[xmlStr appendString:@"    <name>Supreme</name>"];
	[xmlStr appendString:@"    <price>9.99</price>"];
	[xmlStr appendString:@"  </pizza>"];
	[xmlStr appendString:@"  <pizza>"];
	[xmlStr appendString:@"    <name>Three Cheese</name>"];
	[xmlStr appendString:@"    <price>7.99</price>"];
	[xmlStr appendString:@"  </pizza>"];
	[xmlStr appendString:@"  <a:beer delicious=\"yes\"/>"];
	[xmlStr appendString:@"</menu>"];
	
	NSError *err = nil;
	
	NSXMLDocument *nsDoc = [[NSXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil];
	DDXMLDocument *ddDoc = [[DDXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil];
	
	NSArray *nsTest0 = [nsDoc nodesForXPath:@"/menu/b:salad[1]" error:&err];
	
	NSAssert(nsTest0 == nil, @"Failed CHECK 1");
	NSAssert(err != nil, @"Failed CHECK 2");
	
	NSArray *nsTest1 = [nsDoc nodesForXPath:@"/menu/salad[1]" error:&err];
	
	NSAssert(err == nil, @"Failed CHECK 3");
	
	NSArray *ddTest0 = [ddDoc nodesForXPath:@"/menu/b:salad[1]" error:&err];
	
	NSAssert(ddTest0 == nil, @"Failed test 1");
	NSAssert(err != nil, @"Failed test 2");
	
	NSArray *ddTest1 = [ddDoc nodesForXPath:@"/menu/salad[1]" error:&err];
	
	NSAssert(err == nil, @"Failed test 3");
	
	NSAssert([nsTest1 count] == [ddTest1 count], @"Failed test 4");
	
	NSArray *nsTest2 = [nsDoc nodesForXPath:@"menu/pizza" error:&err];
	NSArray *ddTest2 = [ddDoc nodesForXPath:@"menu/pizza" error:&err];
	
	NSAssert([nsTest2 count] == [ddTest2 count], @"Failed test 5");
	
	NSArray *nsTest3 = [nsDoc nodesForXPath:@"menu/a:beer/@delicious" error:&err];
	NSArray *ddTest3 = [ddDoc nodesForXPath:@"menu/a:beer/@delicious" error:&err];
	
	NSAssert([nsTest3 count] == [ddTest3 count], @"Failed test 6");
	
	NSString *nsYes = [[nsTest3 objectAtIndex:0] stringValue];
	NSString *ddYes = [[ddTest3 objectAtIndex:0] stringValue];
	
	NSAssert([nsYes isEqualToString:ddYes], @"Failed test 7");
	
	[nsDoc release];
	[ddDoc release];
	
	NSXMLElement *nsElement1 = [NSXMLElement elementWithName:@"duck"];
	NSXMLElement *nsElement2 = [NSXMLElement elementWithName:@"quack"];
	[nsElement1 addChild:nsElement2];
	
	DDXMLElement *ddElement1 = [DDXMLElement elementWithName:@"duck"];
	DDXMLElement *ddElement2 = [DDXMLElement elementWithName:@"quack"];
	[ddElement1 addChild:ddElement2];
	
	NSArray *nsTest4 = [nsElement1 nodesForXPath:@"quack[1]" error:nil];
	NSArray *ddTest4 = [ddElement1 nodesForXPath:@"quack[1]" error:nil];
	
	NSAssert([nsTest4 count] == [ddTest4 count], @"Failed test 8");
	
	[pool drain];
}

+ (void)testNSXMLBugs
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	// <query xmlns="jabber:iq:private">
	//   <x xmlns="some:other:namespace"></x>
	// </query>
	
	NSMutableString *xmlStr = [NSMutableString stringWithCapacity:100];
	[xmlStr appendString:@"<?xml version=\"1.0\"?>"];
	[xmlStr appendString:@"<query xmlns=\"jabber:iq:private\">"];
	[xmlStr appendString:@"  <x xmlns=\"some:other:namespace\"></x>"];
	[xmlStr appendString:@"</query>"];
	
	NSXMLDocument *nsDoc = [[NSXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil];
	DDXMLDocument *ddDoc = [[DDXMLDocument alloc] initWithXMLString:xmlStr options:0 error:nil];
	
	NSArray *nsChildren = [[nsDoc rootElement] elementsForName:@"x"];
	NSArray *ddChildren = [[ddDoc rootElement] elementsForName:@"x"];
	
	if([nsChildren count] > 0)
	{
		NSLog(@"Good news: Apple finally fixed that elementsForName: bug!");
	}
	
	NSAssert([ddChildren count] == 1, @"Failed test 1");
	
	[nsDoc release];
	[ddDoc release];
	
	[pool drain];
}

+ (void)testInsertChild
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSXMLElement *nsParent = [NSXMLElement elementWithName:@"parent"];
	DDXMLElement *ddParent = [DDXMLElement elementWithName:@"parent"];
	
	NSXMLElement *nsChild2 = [NSXMLElement elementWithName:@"child2"];
	DDXMLElement *ddChild2 = [DDXMLElement elementWithName:@"child2"];
	
	[nsParent insertChild:nsChild2 atIndex:0];
	[ddParent insertChild:ddChild2 atIndex:0];
	
	NSAssert([[nsParent XMLString] isEqualToString:[ddParent XMLString]], @"Failed test 1");
	
	NSXMLElement *nsChild0 = [NSXMLElement elementWithName:@"child0"];
	DDXMLElement *ddChild0 = [DDXMLElement elementWithName:@"child0"];
	
	[nsParent insertChild:nsChild0 atIndex:0];
	[ddParent insertChild:ddChild0 atIndex:0];
	
	NSAssert([[nsParent XMLString] isEqualToString:[ddParent XMLString]], @"Failed test 2");
	
	NSXMLElement *nsChild1 = [NSXMLElement elementWithName:@"child1"];
	DDXMLElement *ddChild1 = [DDXMLElement elementWithName:@"child1"];
	
	[nsParent insertChild:nsChild1 atIndex:1];
	[ddParent insertChild:ddChild1 atIndex:1];
	
	NSAssert([[nsParent XMLString] isEqualToString:[ddParent XMLString]], @"Failed test 3");
	
	NSXMLElement *nsChild3 = [NSXMLElement elementWithName:@"child3"];
	DDXMLElement *ddChild3 = [DDXMLElement elementWithName:@"child3"];
	
	[nsParent insertChild:nsChild3 atIndex:3];
	[ddParent insertChild:ddChild3 atIndex:3];
	
	NSAssert([[nsParent XMLString] isEqualToString:[ddParent XMLString]], @"Failed test 4");
	
	NSException *nsException;
	NSException *ddException;
	
	NSXMLElement *nsChild5 = [NSXMLElement elementWithName:@"child5"];
	DDXMLElement *ddChild5 = [DDXMLElement elementWithName:@"child5"];
	
	nsException = [self tryCatch:^{
		// Exception - index (5) beyond bounds (5)
		[nsParent insertChild:nsChild5 atIndex:5];
	}];
	
	ddException = [self tryCatch:^{
		// Exception - index (5) beyond bounds (5)
		[ddParent insertChild:ddChild5 atIndex:5];
	}];
	
	NSAssert(nsException != nil, @"Failed CHECK 1");
	NSAssert(ddException != nil, @"Failed test 6");
	
	[pool drain];
}

+ (void)testElementSerialization
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSString *str = @"<soup spicy=\"no\">chicken noodle</soup>";
	NSError *err;
	
	err = nil;
	NSXMLElement *nse = [[[NSXMLElement alloc] initWithXMLString:str error:&err] autorelease];
	
	NSAssert((nse != nil) && (err == nil), @"Failed CHECK 1");
	
	err = nil;
	DDXMLElement *dde = [[[DDXMLElement alloc] initWithXMLString:str error:&err] autorelease];
	
	NSAssert((dde != nil) && (err == nil), @"Failed test 1");
	
	NSAssert([[nse XMLString] isEqualToString:[dde XMLString]], @"Failed test 2");
	
	[pool drain];
}

+ (void)testAttributeWithColonInName
{
	NSLog(@"Starting %@...", NSStringFromSelector(_cmd));
	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
	
	NSString *str = @"<artist name='Jay-Z' xml:pimp='yes' />";
	
	NSXMLDocument *nsDoc = [[[NSXMLDocument alloc] initWithXMLString:str options:0 error:nil] autorelease];
	DDXMLDocument *ddDoc = [[[DDXMLDocument alloc] initWithXMLString:str options:0 error:nil] autorelease];
	
	NSXMLNode *nsa = [[nsDoc rootElement] attributeForName:@"xml:pimp"];
	DDXMLNode *dda = [[ddDoc rootElement] attributeForName:@"xml:pimp"];
	
	NSAssert(nsa != nil, @"Failed CHECK 1");
	NSAssert(dda != nil, @"Failed test 1");
	
	[pool drain];
}

@end

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#pragma mark -
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

@implementation DDAssertionHandler

@synthesize shouldLogAssertionFailure;

- (id)init
{
	if ((self = [super init]))
	{
		shouldLogAssertionFailure = YES;
	}
	return self;
}

- (void)logFailureIn:(NSString *)place
                file:(NSString *)fileName
          lineNumber:(NSInteger)line
{
	// How Apple's default assertion handler does it (all on one line):
	// 
	// *** Assertion failure in -[NSXMLElement insertChild:atIndex:],
	// /SourceCache/Foundation/Foundation-751.53/XML.subproj/XMLTypes.subproj/NSXMLElement.m:823
	
	NSLog(@"*** Assertion failure in %@, %@:%li", place, fileName, (long int)line);
}

- (void)handleFailureInFunction:(NSString *)functionName
						   file:(NSString *)fileName
					 lineNumber:(NSInteger)line
					description:(NSString *)format, ...
{
	if (shouldLogAssertionFailure)
	{
		[self logFailureIn:functionName file:fileName lineNumber:line];
	}
	
	va_list args;
	va_start(args, format);
	
	NSString *reason = [[[NSString alloc] initWithFormat:format arguments:args] autorelease];
	
	va_end(args);
	
	[[NSException exceptionWithName:NSInternalInconsistencyException reason:reason userInfo:nil] raise];
}

- (void)handleFailureInMethod:(SEL)selector
					   object:(id)object
						 file:(NSString *)fileName
				   lineNumber:(NSInteger)line
				  description:(NSString *)format, ...
{
	if (shouldLogAssertionFailure)
	{
		Class objectClass = [object class];
		
		NSString *type;
		if (objectClass == object)
			type = @"+";
		else
			type = @"-";
		
		NSString *place = [NSString stringWithFormat:@"%@[%@ %@]",
						   type, NSStringFromClass(objectClass), NSStringFromSelector(selector)];
		
		[self logFailureIn:place file:fileName lineNumber:line];
	}
	
	va_list args;
	va_start(args, format);
	
	NSString *reason = [[[NSString alloc] initWithFormat:format arguments:args] autorelease];
	
	va_end(args);
	
	[[NSException exceptionWithName:NSInternalInconsistencyException reason:reason userInfo:nil] raise];
}

@end