Screen Validation Checklist  - Alpha Field Checks

• Use blank and non-blank data
• Include lowest and highest values
• Include invalid characters & symbols
• Include valid characters
• Include data items with first position blank
• Include data items with last position blank

Screen Validation Checklist  - Numeric Fields

• Assure that lowest and highest values are handled correctly
• Assure that invalid values are logged and reported
• Assure that valid values are handles by the correct procedure
• Assure that numeric fields with a blank in position 1 are processed or reported as an error
• Assure that fields with a blank in the last position are processed or reported as an error an error

Screen Validation Checklist  - Date Field Checks

• Assure that leap years are validated correctly & do not cause errors/miscalculations
• Assure that month code 00 and 13 are validated correctly & do not cause errors/miscalculations
• Assure that 00 and 13 are reported as errors
• Assure that day values 00 and 32 are validated correctly & do not cause errors/miscalculations
• Assure that Feb. 28, 29, 30 are validated correctly & do not cause errors/ miscalculations
• Assure that Feb. 30 is reported as an error
• Assure that century change is validated correctly & does not cause errors/ miscalculations
• Assure that out of cycle dates are validated correctly & do not cause errors/miscalculations

Screen Validation Checklist  - General Conditions

1. Assure the existence of the "Help" menu.
2. Assure that the proper commands and options are in each menu.
3. Assure that all buttons on all tool bars have a corresponding key commands.
4. Assure that each menu command has an alternative(hot-key) key sequence which will invoke it where appropriate.
5. In drop down list boxes, ensure that the names are not abbreviations / cut short
6. In drop down list boxes, assure that the list and each entry in the list can be accessed via appropriate key / hot key combinations.
7. Ensure that duplicate hot keys do not exist on each screen

Screen Validation Checklist  - Modes (Editable Read-only) Conditions

1. Are the screen and field colours adjusted correctly for read-only mode?
2. Should a read-only mode be provided for this screen?
3. Are all fields and controls disabled in read-only mode?
4. Can the screen be accessed from the previous screen/menu/toolbar in read-only mode?
5. Can all screens available from this screen be accessed in read-only mode?
6. Check that no validation is performed in read-only mode.

Screen Validation Checklist  - Data Integrity Conditions

1. Is the data saved when the window is closed by double clicking on the close box?
2. Check the maximum field lengths to ensure that there are no truncated characters?
3. Where the database requires a value (other than null) then this should be defaulted into fields. The user must either enter an alternative valid value or leave the default value intact.
4. Check maximum and minimum field values for numeric fields?
5. If numeric fields accept negative values can these be stored correctly on the database and does it make sense for the field to accept negative numbers?

Screen Validation Checklist  - Usability Conditions

1. Are all the dropdowns on this screen sorted correctly? Alphabetic sorting is the default unless otherwise specified.
2. Is all date entry required in the correct format?
3. Have all pushbuttons on the screen been given appropriate Shortcut keys?
4. Do the Shortcut keys work correctly?
5. Have the menu options which apply to your screen got fast keys associated and should they have?
6. Does the Tab Order specified on the screen go in sequence from Top Left to bottom right? This is the default unless otherwise specified.