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System Testing

This document outlines the testing procedure for an ATM system, focusing on scenarios involving valid cards and the handling of failed PIN attempts. It includes detailed steps for testing the display screens as users input their PIN, verifying expected outcomes at each stage. The initial condition starts with Screen 1 displayed. The procedure requires user input through digit keys and cancellation, with specific verification of the screen outputs. It concludes with the observation of the post-condition and the overall test result, indicating pass or fail status.

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System Testing

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  1. System Testing 1. Threads 2. Basis concepts of requirements specification 3. Identifying threads 4. Metrics for system testing

  2. Thread 2 Test Procedure Description: valid card, 3 failed PIN attempts Initial Conditions: screen 1 being displayed Perform the following sequence of steps: 1. Cause: Insert ATM Card 1 2. Verify: Display Screen(2, '----') 1. Cause: Key Press Digit (1) 2. Verify: Display Screen(2,'X---') 1. Cause: Key Press Cancel 2. Verify: Display Screen(2,'----') 1. Cause: Key Press Digit (1) 2. Verify: Display Screen(2,'X---') 1. Cause: Key Press Digit (2) 2. Verify: Display Screen(2,'XX--') 1. Cause: Key PressCancel 2. Verify: Display Screen(2,'----') 1. Cause: Key Press Digit (1) 2. Verify: Display Screen(2,'X---') 1. Cause: Key Press Digit (2) 2. Verify: Display Screen(2,'XX--' 1. Cause: Key Press Digit (3) 2. Verify: Display Screen(2,'XXX-') 1. Cause: Key Press Digit (5) 2. Verify: Display Screen(2,'XXXX') 3. Verify: Display Screen(4, null) 3. Verify: Display Screen(1, null) Post Condition: Screen 1 displayed Test Result: ___ Pass ___ Fail

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