Testing the app

1. Functional testing

1.1. Operation of all buttons

1.1.1. Buttons on the main panel

1.1.1.1. "Books" button

1.1.1.1.1. All button functionality

1.1.1.1.2. Horizontal and vertical scrolling

1.1.1.1.3. "Free diamonds" feature

1.1.1.1.4. "Wheel of Fortune" feature (free and paid)

1.1.1.1.5. "Daily reward" feature

1.1.1.1.6. Diamond purchase function

1.1.1.1.7. Key purchase function

1.1.1.1.8. "Restart" button

1.1.1.2. "Awards" button

1.1.1.2.1. The correctness of the function of accrual of awards

1.1.1.3. "Settings" button

1.1.1.3.1. All tabs in the "Settings" menu

1.1.2. Operation of all buttons while reading the book

1.1.3. "Back" button

1.1.4. Clickability of diamond and key icons

1.2. Sound effects

1.3. Buying diamonds

2. Installation testing

3. Compatibility testing

4. GUI Testing

5. Usability testing

6. Localization testing