Have they actually been to war or tested? The last time they were close to actual war was the border skirmish in the late 70s with Vietnam when they were fighti

Have they actually been to war or tested? The last time they were close to actual war was the border skirmish in the late 70s with Vietnam when they were fighting for influence over Laos (or was that Cambodia?). It's been almost half a century without any real action. The wooden stick and stones border disputes with India do not count. What are their actual capabilities?