sendKeys Does Not Send Keys Completely IOS

[Rocky-04]

Description
The sendKeys function intermittently fails to send all the specified keys during automated typing tests. This issue occurs across various settings and on both simulators and real devices.

Steps to Reproduce

• Configure the max_typing_frequency setting.
• Run the typing test.
• Observe the output string.

Expected Behavior
The typed string should match the expected result for the given max_typing_frequency setting.

Actual Behavior
The typed string misses some characters. This issue is consistent across different max_typing_frequency settings.

Environment Details

Simulator
Phone Name: iPhone SE
iOS Version: 17.2
XCUITest Version: 7.16.2

Real Device
Phone Name: iPhone 11 [5]
iOS Version: 16.3.1

Test Results:
Simulator: iPhone SE

1 test:
max_typing_frequency = 10
Expected: "1234567890qwertyuiop!@#%1234567890QWERTYUIOP1234"
Actual: "1234567890qwertyuiop!@#%1234567890QWERTYUIO1234"

1.txt
https://github.com/appium/appium/assets/105980453/02f068b0-9f8c-4afd-82c4-64ae5bb72808

2 test:
max_typing_frequency = 20
Expected: "1234567890qwertyuiop!@#%1234567890QWERTYUIOP1234"
Actual: "1234567890qwertyuiop!@#%134567890QWERTYUIOP1234"

2.txt
https://github.com/appium/appium/assets/105980453/44df9fd9-99cd-4072-8770-3d2b38b93a20

3 test:
max_typing_frequency = 30
Expected: "1234567890qwertyuiop!@#%1234567890QWERTYUIOP1234"
Actual: "1234567890wertyuiop!@#%1234567890QWERYUIOP1234"

3.txt
https://github.com/appium/appium/assets/105980453/d66a54b1-b88e-4c2f-93eb-b6190522ee67

4 test:
max_typing_frequency = 40
Expected: "1234567890qwertyuiop!@#%1234567890QWERTYUIOP1234"
Actual: "134567890qweryuiop!@#%1234567890QWERTYUIOP1234"

https://github.com/appium/appium/assets/105980453/1ffca9f8-727f-4221-9be2-d3c19871d442
4.txt

5 test:
max_typing_frequency = 50
Expected: "1234567890qwertyuiop!@#%1234567890QWERTYUIOP1234"
Actual: "1234567890qwertyuiop!@#%123456780QWERTYUIOP1234"

5.txt
https://github.com/appium/appium/assets/105980453/a088f8c5-ad61-49ce-8ff7-6efbb1437f00

6 test:
max_typing_frequency = 60
Expected: "1234567890qwertyuiop!@#%1234567890QWERTYUIOP1234"
Actual: "134567890qwertyuiop!@#%1234567890QWERTYUIOP1234"

6.txt
https://github.com/appium/appium/assets/105980453/dc4a75b5-db06-43e0-b07b-d1201832d57d

7 test:
max_typing_frequency = 70
Expected: "1234567890qwertyuiop!@#%1234567890QWERTYUIOP1234"
Actual: "134567890qwertyuiop!@#%1234567890QWERTYUIOP1234"

https://github.com/appium/appium/assets/105980453/74d63c0f-ad26-438b-80dd-d796ed73b3ad
7.txt

Real Device: iPhone 11 [5]
8 test:
max_typing_frequency = 60
Expected: "1234567890qwertyuiop!@#%1234567890QWERTYUIOP1234"
Actual: "1234567890qwertyuiop!@#%1234567890QWERYUIOP1234"

real_device.txt
https://github.com/appium/appium/assets/105980453/82ff4a7c-b42e-4f1e-93a7-2f9ac7fccaf5

Attachments
Appium logs.
Video recordings of the issue.

Additional Support
I am available to conduct additional tests with any necessary settings and provide corresponding logs and videos from these tests to help diagnose and resolve the issue.

[mykola-mokhnach]

This behaviour is completely under control of XCTest. WDA simply uses appropriate APIs and for us it is merely a black box. Consider reporting the issue to Apple.