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Domain Testing: Divide and Conquer - Testing Education

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Multidimensional string fields<br />

� Example 3:<br />

ZLTech has a web-based mail system. A user has to<br />

enter his/her user name <strong>and</strong> password <strong>and</strong> then click<br />

on the Sign in button to log in <strong>and</strong> access his/her<br />

inbox. The user name can have five to fifteen<br />

characters. Also, only digits <strong>and</strong> lowercase characters<br />

are allowed for the user name.<br />

What variables could be involved in analysis of this<br />

group of facts? What variable do we know enough<br />

about to perform equivalence class analysis <strong>and</strong> then<br />

a boundary value analysis? Identify the relevant<br />

dimensions for this variable. Develop a series of tests<br />

by performing equivalence class analysis <strong>and</strong><br />

boundary value analysis on each of the identified<br />

dimensions of this variable.<br />

© Sowmya Padmanabhan, 2003<br />

31

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