I have had no experience with 22 Hornet, but from drawings, that appears to be a rimmed cartridge - so headspace, etc. likely controlled by the rim - like on many factory 303 British cases - my experience below is based on those.
"How to check" - assume that is typical that head separation not going to occur on first firing - in other words, the case is not going to go from pristine to case head separation in one step - although it can, if dimensions wonky enough. Assume that upon firing, the firing pin strike drives the case as far forward as it can go - all the excess "end play" ends up between the bolt face and the case rear face. When primer fires, it ignites the powder - starts to build pressure - usually necks and front end of case are thinner than towards the rear of case - hence neck and front part of case grab tightly to chamber walls - solid - for a split second, as pressure rises - that "grab" on the chamber walls continues to move rearward, until the case too strong to expand slightly - solid case head then driven rearward against bolt face. Front end of case very tightly held in chamber - case head moved rearward - if that exceeded the "elastic stretch" of the brass, then there will be a groove formed on INSIDE of case - usually right in front of the solid case head - walls got thinner there - may or may not have had case head separation at that firing - but is called "incipient" case head separation - is going to occur, but has not yet. If you look with good light into that case, or feel in there with a right angle hooked wire - that groove is both visible and feel-able. Depending on your chamber condition at that point, there may be no sign whatsoever of that groove on the inside of the case that is visible on the outside of the case. Worst case is to now Full Length re-size and cause that "stretch" to occur again - sooner or later that section of case wall rips through, and your bolt pulls out the case head, but case body walls and neck stay in the chamber. Is at least two ways to avoid that groove, but both that I know of are done before case is fired even once - I know of no way to repair that "groove" once it has been created.
The two ways that I know of to prevent that "groove" are the "o-ring" trick and to create a false shoulder - in effect is NO end play when the bolt is closed on that chamber - upon firing pin strike, brass does not move, or at least not very much, and the fired brass fully conforms to the chamber - the case head could not go backward, because it was already tight, or close to tight, on the bolt face. In the case of the 303 British - the designers of that cartridge and the rifles that used them did NOT normally reload them - they could have cared less whether the fired brass was fit to be reloaded or not - their concern was to make 100's of millions of rounds, and millions of rifles and machine guns to use them - and most of the time to fire, the first time, without bursting or head separation. The once fired brass case was discarded, and on to the next "new" case. It is us that want to reload the things - that they were never designed to do. I can only presume that similar can occur with any other case designs, that are driven forward excessively by the firing pin strike.