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Compatibility Testing

2. © 2011 LogiGear Corporation. All Rights Reserved
Compatibility Testing
1. What is Compatibility Testing?
2. What is the purpose of Compatibility Testing?
3. Example of test cases and bugs
4. Tips and Tricks
5. Tools

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Compatibility Testing
1. What is Compatibility Testing?

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Compatibility Testing
What is Compatibility Testing?
 Compatibility testing, part of software non-functional testing, is testing
conducted on the application to evaluate the application's compatibility
with the computing environment.
 Computing environment may contain some or all of the below mentioned
elements:
− Bandwidth handling capacity of networking hardware
− Compatibility of devices
− Operating systems
− Database
− Other System Software
− Browser compatibility

Browser compatibility testing is the most popular in compatibility testing.

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Compatibility Testing
2. What is the purpose of
Compatibility Testing?

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Compatibility Testing
What is the purpose of Compatibility Testing?
Your application can run very smoothly on all of your in-house computers,
but what about the computer systems of your target users?
Nothing upsets your customers more than downloading your software only
to find a conflict exists with their system

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Compatibility Testing
3. Example of test cases and bugs

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Compatibility Testing
Example of test cases and bugs
Test Case 1:
Summary:
Verify that all texts of our web application can be displayed properly when
browsing with Opera browser.
Steps:
− Install Opera browser
− Open Opera browser
− Type URL of our web application into address bar
− Observe content
Expected Result: All texts can be displayed properly

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Compatibility Testing
Example of test cases and bugs
Bug 1:
Summary:
Opera browser can not display Unicode UTF-8 if user used version 5 or lower
version of this browser.
Description:
Opera browser can not display Unicode UTF-8 if user used version 5 or lower
version of this browser. “□” symbol is displayed instead of alphabet character.

Observed Result: “□” symbol is displayed instead of alphabet character

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Test Case 2:
Summary:
Verify that the web form is aligned in center when browsing with Firefox.
Steps:
− Install IE browser
− Open IE browser
− Type URL of our web application into IE address bar
− Observe the interface
− Install Firefox browser
− Open Firefox browser
− Type URL of our web application into Firefox address bar
− Observe the interface and compare with step 4
Expected Result: Web form is aligned in center when browsing with Firefox.
Compatibility Testing
Example of test cases and bugs

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Bug 2:
Summary:
The web form is aligned at right side when browsing with Firefox
Compatibility Testing
Example of test cases and bugs
IE Firefox

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Compatibility Testing
4. Tips and Tricks

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Compatibility Testing
Tips and Tricks
Simple test and manual test are the best
Run virtual machines where possible
Figure out what browsers are out there
Use tools and products that already exist

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Compatibility Testing
5. Tools

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Compatibility Testing
Tools
1. BrowserShots.org

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Compatibility Testing
Tools
2. Cross Browser Testing

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Compatibility Testing
Tools
3. BrowserCam

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4. VMWare
Compatibility Testing
Tools

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Compatibility Testing
Source:
http://en.wikipedia.org/
http://nresult.com/
http://blog.sherifmansour.com/