Data types and web specific test cheat sheet

Data types

Paths/files
■ Long name(>255 chars) ■ Special characters in name(space * ? / \ | < > , . ( ) [ ] { } ; : ‘ “ ! @ # $ % ^ & \n \t \r) ■ Non-existent ■ Already exists ■ No space ■ Minimal space ■ Huge file ■ Write-protected ■ Unavailable ■ Locked ■ On remote machine ■ In network ■  File URL ■ Corrupted ■ File without extension ■ Unsupported format

Time and date
■ Timeouts ■ Time difference between machines ■ Crossing time zones ■ Leap days ■ Always invalid days(Feb 30, Sept 31) ■ Feb 29 in non-leap years ■ Different formats(June 5, 2001; 06/05/2001; 06/05/01; 06-05-01; 6/5/2001 12:34) ■ Daylight savings changeover ■ Reset clock backward or forward

Numbers
■ 0 ■ 32768(2¹⁵) ■ 32769(2¹⁵) + 1 ■ 65536(2¹⁶) ■ 65537(2¹⁶) +1 ■ 2147483648(2³¹) ■ 2147483649(2³¹) + 1 ■ 4294967296(2³²) ■ 4294967297(2³²) + 1 ■ Scientific notation(1E-16) ■ Negative ■ Floating point/decimal(0.0001) ■ With commas(1,234,567) ■ European style(1.234.567,89) ■ All the above in calculations ■ Fractions(1/3)

Strings
■ Long(255, 256, 257, 1000, 1024, 2000, 2048 or more characters) ■ Accented chars (àáâãäåçèéêëìíîðñòôõöö, etc.) ■ Asian and other languages chars  ■ Common delimiters and special characters( “ ‘ ` | / \ , ; : & < > ^ * ? Tab ) ■ Leave blank ■  Single space ■ Multiple spaces ■ Leading spaces ■ End-of-line characters (^M) ■ SQL injection( ‘select * from customer ) ■ JavaScript injections ■ With all actions (entering, searching, updating, etc.)

General
■  Violates domain-specific rules (an ip address of 999.999.999.999, an email address with no “@”, an age of -1) ■ Violates uniqueness constraint