Problem

This question may seem a bit long, but I try to give as much information as possible, since I am really staggered by this.

I am currently working an a library which should automate XML document parsing. But I am running into a problem now testing the library for the first time.

I have a library class called CSXDocumentLayout which represents the layout of a document. This class contains the private method - (NSError *)readLayoutDocument:(NSString *)fpath called from an init method.

/* MARK: Reading in Layouts */
- (NSError *)readLayoutDocument:(NSString *)fpath {
    CSXDocumentLayout *layout;
    CSXXMLParser *parser;
    BOOL state;

    layout = [CSXDocumentLayout layoutDocumentLayout];

    parser = [[CSXXMLParser alloc] initWithDocumentLayouts:
              [NSArray arrayWithObject:layout]];
    parser.file = fpath;

    state = [parser parse];

    if(state == NO || parser.error != nil) {
        return parser.error;
    }
    return nil;
}

This method will read in an XML document representing the layout of an other XML document. It is parsed by the class CSXXMLParser, which I want to test.

I create an object representing a layout document with +[CSXDocumentLayout layoutDocumentLayout]. This method is implemented in the category CSXDocumentLayout (CSXLayoutObject).

Below is my test file:

#import <Foundation/Foundation.h>
#import <CeasyXML.h>

int main(int argc, const char **argv) {
    NSAutoreleasePool *pool = [NSAutoreleasePool new];

    NSString *file;

    file = [NSString stringWithUTF8String:__FILE__];
    file = [file stringByDeletingLastPathComponent];
    file = [file stringByAppendingPathComponent:@"Layout.xml"];

    CSXDocumentLayout *layout;
    NSError *error;

    layout = [[CSXDocumentLayout alloc] ini