Added starting point for performance tests

This highlights the performance disparity between NSURLConnection and ASIHTTPRequest, which we need to solve :)

@@ -21,7 +21,7 @@
 #import "ASIInputStream.h"
 
 // Automatically set on build
-NSString *ASIHTTPRequestVersion = @"v1.2-18 2009-12-17";
+NSString *ASIHTTPRequestVersion = @"v1.2-19 2009-12-17";
 
 // We use our own custom run loop mode as CoreAnimation seems to want to hijack our threads otherwise
 static CFStringRef ASIHTTPRequestRunMode = CFSTR("ASIHTTPRequest");

+//
+//  PerformanceTests.h
+//  Mac
+//
+//  Created by Ben Copsey on 17/12/2009.
+//  Copyright 2009 All-Seeing Interactive. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+#import "ASITestCase.h"
+
+@interface PerformanceTests : ASITestCase {
+	NSDate *testStartDate;
+	int requestsComplete;
+	NSMutableArray *responseData;
+	unsigned long bytesDownloaded;
+}
+
+- (void)testASIHTTPRequestAsyncPerformance;
+- (void)testNSURLConnectionAsyncPerformance;
+
+@property (retain,nonatomic) NSDate *testStartDate;
+@property (assign,nonatomic) int requestsComplete;
+@property (retain,nonatomic) NSMutableArray *responseData;
+@end

+//
+//  PerformanceTests.m
+//  Mac
+//
+//  Created by Ben Copsey on 17/12/2009.
+//  Copyright 2009 All-Seeing Interactive. All rights reserved.
+//
+
+#import "PerformanceTests.h"
+#import "ASIHTTPRequest.h"
+
+@interface NSURLConnectionSubclass : NSURLConnection {
+	int tag;
+}
+@property (assign) int tag;
+@end
+@implementation NSURLConnectionSubclass
+@synthesize tag;
+@end
+
+
+@implementation PerformanceTests
+
+- (void)testASIHTTPRequestAsyncPerformance
+{
+	bytesDownloaded = 0;
+	[self setRequestsComplete:0];
+	[self setTestStartDate:[NSDate date]];
+	int i;
+	for (i=0; i<5; i++) {
+		ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/the_great_american_novel_(abridged).txt"]];
+		[request setDelegate:self];
+		[request startAsynchronous];
+	}
+}
+
+- (void)requestFailed:(ASIHTTPRequest *)request
+{
+	GHFail(@"Cannot proceed with ASIHTTPRequest test - a request failed");
+}
+
+- (void)requestFinished:(ASIHTTPRequest *)request
+{
+	bytesDownloaded += [[request responseData] length];
+	requestsComplete++;
+	if (requestsComplete == 5) {
+		NSLog(@"ASIHTTPRequest: Completed 5 (downloaded %lu bytes) requests in %f seconds",bytesDownloaded,[[NSDate date] timeIntervalSinceDate:[self testStartDate]]);
+	}
+}
+
+- (void)testNSURLConnectionAsyncPerformance
+{
+	[self performSelectorOnMainThread:@selector(startNSURLConnections) withObject:nil waitUntilDone:NO];
+}
+
+- (void)startNSURLConnections
+{
+	bytesDownloaded = 0;
+	[self setRequestsComplete:0];
+	[self setTestStartDate:[NSDate date]];
+	[self setResponseData:[NSMutableArray arrayWithCapacity:5]]; 
+	
+	int i;
+	for (i=0; i<5; i++) {
+		NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/the_great_american_novel_(abridged).txt"] cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:10];
+		[[self responseData] addObject:[NSMutableData data]];
+		NSURLConnectionSubclass *connection = [[[NSURLConnectionSubclass alloc] initWithRequest:request delegate:self startImmediately:YES] autorelease];
+		[connection setTag:i];		
+	}
+}
+
+- (void)connection:(NSURLConnectionSubclass *)connection didReceiveResponse:(NSURLResponse *)response
+{
+}
+
+- (void)connection:(NSURLConnectionSubclass *)connection didFailWithError:(NSError *)error
+{
+	GHFail(@"Cannot proceed with NSURLConnection test - a request failed");
+}
+
+- (void)connection:(NSURLConnectionSubclass *)connection didReceiveData:(NSData *)data
+{
+	[[[self responseData] objectAtIndex:[connection tag]] appendData:data];	
+
+}
+
+- (void)connectionDidFinishLoading:(NSURLConnectionSubclass *)connection
+{
+	bytesDownloaded += [[responseData objectAtIndex:[connection tag]] length];
+	requestsComplete++;
+	if (requestsComplete == 5) {
+		NSLog(@"NSURLConnection: Completed 5 (downloaded %lu bytes) requests in %f seconds",bytesDownloaded,[[NSDate date] timeIntervalSinceDate:[self testStartDate]]);
+	}		
+}
+
+@synthesize requestsComplete;
+@synthesize testStartDate;
+@synthesize responseData;
+@end