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What will happen if you try to switch to a window handle that does not exist in the current session?

medium📝 Conceptual Q5 of 15
Selenium Java - Handling Windows, Frames, and Alerts
What will happen if you try to switch to a window handle that does not exist in the current session?
AThrows NoSuchWindowException at runtime
BSwitches to the main window automatically
CIgnores the command and stays on current window
DCloses all windows and quits the driver
Step-by-Step Solution
Solution:

  1. Step 1: Understand window handle validity

    Switching to a non-existent window handle causes Selenium to throw an exception.

  2. Step 2: Identify the exception type

    The specific exception thrown is NoSuchWindowException indicating the handle is invalid.

  3. Final Answer:

    Throws NoSuchWindowException at runtime -> Option A

  4. Quick Check:

    Invalid handle = NoSuchWindowException [OK]
Quick Trick: Always verify window handle exists before switching [OK]
Common Mistakes:
  • Assuming it switches to main window automatically
  • Expecting silent failure or ignore
  • Thinking it closes windows or quits driver

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