Software Testing Foundations by Andreas Spillner & Tilo Linz & Hans Schaefer

Author:Andreas Spillner & Tilo Linz & Hans Schaefer
Language: eng
Format: epub
Publisher: Rocky Nook Inc.
Published: 2014-10-26T16:00:00+00:00

Every column of this table is to be interpreted as a test case. From the table, the necessary input conditions and expected actions can be found directly. Test case 5 shows the following condition: The money is delivered only if the card is valid, the PIN is correct after a maximum of three tries, and there is money available both in the machine and in the account.

This relatively small example shows how more conditions or dependencies can soon result in large and unwieldy graphs or tables.

From a decision table, a decision tree may be derived. The decision tree is analogous to the transition tree in state transition testing in how it’s used.

Every path from the root of the tree to a leaf corresponds to a test case. Every node on the way to a leaf contains a condition that determines the further path, depending on its truth-value.

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