Journal of Computer Sciences Institute

302-307

Authors: Aleksandra Iwaniuk

Smartphones were gradually gaining popularity, so as to effectively replace traditional telephones. Devices creates many capabilities, but they can be a source of threats. In this article analyzed Android system security. Author checked what threats lurk for mobile devices and how the Android system tries to protect them. The questionnaire survey checked how the phone screens are blocked and how often changes are made to the blockade. To check if the screen lock can be removed, tests were performed using Google to find the device, as well as Fone. A summary of results was presented and conclusions were drawn.

311-317

Authors: Daniel Janowski

The article presents the author’s method of increasing the QR code capacity through using their property of being readable from any perspective. The symbol encoding and decoding process and test results are presented. The article also includes a literature review in the field of method of increasing the QR code capacity.

324-327

Authors: Łukasz Szczepkowicz, Beata Pańczyk

The subject of this article is a comparison of selected tools for the implementation of software tests. Seven open source tools were selected for the analysis: Selenium IDE, Selenium WebDriver, JMeter, SoapUI, SikuliX, AutoIT, Katalon Studio. The research was carried out using dedicated test applications (desktop, web and web service) with the same functionality.

334-339

Authors: Piotr Strzelecki, Maria Skublewska-Paszkowska

The paper presents a comparative analysis of selected tools to perform unit tests. The analysis covers three most popular frameworks: MSTest, NUnit and xUnit.net. The analysis concerns the comparison of the speed of tests performing by the tools in serial and parallel manner. The tests were carried out by the author's application dedicated to .NET platform.

345-349

Authors: Aleksandra Goźdź, Maciej Kalinowski, Piotr Kopniak

The article talks about results of data synchronization measurements sourced from two recording gait systems for human gait analyses. Two systems are Xsens sensor kits: MT Awinda, Xbus Kit. The article cover file format used to save data and synchronization method for sensor measurement from above mentioned kits. On the basis of the studies carried out, sensor measurement from different places on human body are unify to a common frame of reference. The discussed method provides also progressive data processing for angles range from -180° to 180° conversion to the absolute angle value from initial sensor settings.