SC2292 description reads as though [[ ]] are a drop in replacement for [ ] in Bash

[qha]

This is not the case however.

One issue i ran in to is that they treat leading zeroes differently:

% bash --norc
bash-5.2$ [ 0700 -lt 643 ]; echo $?
1
bash-5.2$ [[ 0700 -lt 643 ]]; echo $?
0

Another issue is that "equality" gives different results depending on your quoting:

% bash --norc
bash-5.2$ [ xyzzy = xy*y ]; echo $?
1
bash-5.2$ [[ xyzzy = xy*y ]]; echo $?
0
bash-5.2$ [ "xyzzy" = "xy*y" ]; echo $?
1
bash-5.2$ [[ "xyzzy" = "xy*y" ]]; echo $?
1

I'm not sure if this is just a documentation issue or if some further checks could be written.

[qha]

(The second issue is alluded to in the Bash faq resource if you read it very carefully.)