Ad hoc testing : Here testing is done without preparation and writing test cases. During ad hoc testing, a QA specialist randomly tests the functionality of the system; his aim is to be creative, “break” the system and discover flaws.
Exploratory testing : During exploratory testing, a QA specialist tests a product like an explorer, relying on his personal experience. After getting the idea of a product’s functionality, a tester designs test cases which he uses to further test the product. In exploratory testing, the tester needs to rely on his personal experience and design test cases in the testing process.
User interface testing : Here, a QA specialist validates the properties and states of interface elements. Also, they make sure that design elements in the interface match elements in the final layout.
