Software Testing, Testing Levels and Methods

Nowadays we live in the rapid development of technologies and the day-to-day life becomes incredible without them. Everyday a new product is created that helps people simplify life. Behind of every new inventory is a group of people who work hard to get this product. As long as the product is delivered to a wide audience, it is necessary to examine its quality in order to define the product's suitability for wide masses. Low quality product will cause customer discontent and business bankruptcy. That's why testing is one of the most important steps in the creation of a software. The fate of the product is dependent on the planning and execution of the testing process. The work describs test levels and methods. Advantages and disadvantages of methods and their comparative analysis with regard to today's challenge.