What happens if you choose GLaDOS' way in Portal 2?

portal-2

GLaDOS closes the door and the wall. Then she fills the room with a deadly neurotoxin and you die.

Here's a video showing that scene:

Related

How do I combat enemies in the water?
Is there a way to play KSP without having studied rocket science?
How do I know when I've 100%'d the game?
What does Minecraft's scary music mean?
How do I prevent GeForce from making changes to Skyrim
How do you find the glitch Pokemon MissingNo in Pokemon Red/Blue?
Game Over if all crew dead but have cloning bay?
What's the longest speedrun world record?
What's the easiest or quickest way to build bases under water?
What is the FEAR strategy?
Why didn't main characters continue to move in War In Middle Earth?
What happens to the bonuses when I build a city in a special resource tile?