Aspect-Oriented Test Development

Posted on April 20, 2006

I am vaguely familiar with the state of testing inside virtual machines such as JVM or .net, I also don’t know enough about aspects, but I think I understand the idea and intended application. Anyway I was reading the book about software testing, and I got an idea on how this two technology can be used together. Here is an abstract:
An aspect can be injected? in application context to test paths that are difficult to test due to same kind of exceptional condition - low memory, disk full, connection lost, driver not loaded, etc. An aspect can monitor the interaction between application and its virtual machine. It can log :-7 each method/system call and simulate a failure of any call at will. In this way a disk can be “made full”, network connection can “become disconnected”, data transmission can “be garbled” and a host of other problem simulated.
(Inspired by “A practitioner’s guide to software test design / Lee Copeland”)

I’m not sure if such system already exist. It would be an interesting project to try to implement such a system.

Aspect-Oriented Test Development

Posted on April 20, 2006

I am vaguely familiar with the state of testing inside virtual machines such as JVM or .net, I also don’t know enough about aspects, but I think I understand the idea and intended application. Anyway I was reading the book about software testing, and I got an idea on how this two technology can be used together. Here is an abstract:
An aspect can be injected? in application context to test paths that are difficult to test due to same kind of exceptional condition - low memory, disk full, connection lost, driver not loaded, etc. An aspect can monitor the interaction between application and its virtual machine. It can log :-7 each method/system call and simulate a failure of any call at will. In this way a disk can be “made full”, network connection can “become disconnected”, data transmission can “be garbled” and a host of other problem simulated.
(Inspired by “A practitioner’s guide to software test design / Lee Copeland”)

I’m not sure if such system already exist. It would be an interesting project to try to implement such a system.

Summer project

Posted on April 16, 2006

I think this summer I will try to write a GUI Interface for WebDAV. I would like to try to use XUL (ex1,ex2) for GUI and ECMA-Script (JavaScript) as a programming language. I wrote a simple test and it looks like I can use XMLHttpRequest to access WebDAV extensions to HTTP protocol. Developing DAV class in ECMA-Script and learning XUL, would be a first step, then I can implement something Wiki alike, but richer. I can probably create a better subversion repository view. Basically this can be used to develop anything that can benefit from being online application integrated with subversion (it is an only useful webdav application I know about).

Summer project

Posted on April 16, 2006

I think this summer I will try to write a GUI Interface for WebDAV. I would like to try to use XUL (ex1,ex2) for GUI and ECMA-Script (JavaScript) as a programming language. I wrote a simple test and it looks like I can use XMLHttpRequest to access WebDAV extensions to HTTP protocol. Developing DAV class in ECMA-Script and learning XUL, would be a first step, then I can implement something Wiki alike, but richer. I can probably create a better subversion repository view. Basically this can be used to develop anything that can benefit from being online application integrated with subversion (it is an only useful webdav application I know about).

COMP 353 Tips

Posted on April 15, 2006

I wrote this two scipts for COMP353 Database project. I found them usefull.

This one-liner is used to create DROP statements in invers order of table and views creation.

tac create_tables.sql | grep CREATE | awk ‘{print “DROP ” $2 ” ” $3 “;”}’ | sed s/\(//g > drop_script.sql

and I used this query to create a nice HTML report that showed instance data in every relation. Run it in SQL*Plus

SET MARKUP HTML ON SPOOL ON PREFORMAT OFF ENTMAP ON -
HEAD “TITLE Project Report /TITLE” -
BODY “TEXT=’#FF00Ff’” -
TABLE “WIDTH=’90%’ BORDER=’5′”

SPOOL report.html
SELECT * FROM ADMINISTRATOR;
SELECT * FROM ANNOUNCEMENT;
SELECT * FROM AUCTION;
…….
SPOOL OFF

BTW in Oracle, you can use this query to get a list of your relations

SELECT table_name FROM user_tables;

The 30th Annual ACM-ICPC World Finals

Posted on April 14, 2006

2006 World Champions

Rank	Name	Solved	Time
1	Saratov State University	6	917
2	Jagiellonian University - Krakow	6	1258
3	Altai State Technical University	5	681
4	University of Twente	5	744
5	Shanghai Jiao Tong University	5	766
6	St. Petersburg State University	5	815
7	Warsaw University	5	820
8	Massachusetts Institute of Technology	5	831
9	Moscow State University	5	870
10	Ufa State Technical University of Aviation	5	980
11	University of Alberta	4	479
12	University of Waterloo	4	636
13	Instituto Tecnologico de Aeronautica	4
13	Korea Advanced Institute of Science and Technology	4

Photohunt

Posted on April 4, 2006

I found this two posters on campus.
This one I believe was posted by people who get “This page was intentionally left blank” joke.
And this one I found funny because I don’t like Islam, and I think that every word on this poster is as good as Nazi propaganda, if not worse. Even if you don’t agree with me I believe this poster is still amusing.

Notepad

Posted on April 2, 2006

This made me experience a few of very intense human emotions. Thank you Microsoft.

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