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Q&A Android Studio "not showing null elements" in unit tests.

My Android app needs to process lists that contain nullable elements. I am using JUnit 4.13.2 for unit testing. I am using Android Studio Flamingo | 2022.2.1 Patch 2 . I have a failing test,...

1 answer · posted 9mo ago by FractionalRadix‭ · edited 9mo ago by FractionalRadix‭

Question android android-studio

#2: Post edited by

FractionalRadix‭ · 2023-08-23T18:55:23Z (9 months ago)

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My Android app needs to process lists that contain nullable elements.
* I am using JUnit 4.13.2 for unit testing.
* I am using Android Studio Flamingo | 2022.2.1 Patch 2 .
I have a failing test, but I cannot see the null values in my list. In the Debug window, I can see the variable that holds my list. The Debug window informs me the list has 4 elements, but when I expand it, it only shows me two. Above that expansion, it says"Not showing null elements".
![Two lists in an Android Studio window. Both show a list with "size=4", both show only 2 elements. Above both it says "Not showing null elements".](https://software.codidact.com/uploads/wkgjke9oi9pfte3arjydexzvdd5i)
I need to be able to see where the null values are, to determine why my test fails.
How can I make Android Studio show me those null values in my unit tests?

My Android app needs to process lists that contain nullable elements.
* I am using JUnit 4.13.2 for unit testing.
* I am using Android Studio Flamingo | 2022.2.1 Patch 2 .
I have a failing test, but I cannot see the null values in my list. In the Debug window, I can see the variable that holds my list. The Debug window informs me the list has 4 elements, but when I expand it, it only shows me two. Above that expansion, it says "Not showing null elements".
![Two lists in an Android Studio window. Both show a list with "size=4", both show only 2 elements. Above both it says "Not showing null elements".](https://software.codidact.com/uploads/wkgjke9oi9pfte3arjydexzvdd5i)
I need to be able to see where the null values are, to determine why my test fails.
How can I make Android Studio show me those null values in my unit tests?

#1: Initial revision by

FractionalRadix‭ · 2023-08-23T18:52:01Z (9 months ago)

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Android Studio "not showing null elements" in unit tests.

My Android app needs to process lists that contain nullable elements. 
* I am using JUnit 4.13.2 for unit testing.
* I am using Android Studio Flamingo | 2022.2.1 Patch 2 .

I have a failing test, but I cannot see the null values in my list. In the Debug window, I can see the variable that holds my list. The Debug window informs me the list has 4 elements, but when I expand it, it only shows me two. Above that expansion, it says"Not showing null elements".  

![Two lists in an Android Studio window. Both show a list with "size=4", both show only 2 elements. Above both it says "Not showing null elements".](https://software.codidact.com/uploads/wkgjke9oi9pfte3arjydexzvdd5i)

I need to be able to see where the null values are, to determine why my test fails.

How can I make Android Studio show me those null values in my unit tests?

android android-studio

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