Refactor tests and test EXTCODECOPY Failure Behavior#25

Merged

masonforest merged 9 commits intomasterfrom YAS-119/HardenTheOvm/FixEXTCODECOPYFailureBehavior

Mar 3, 2020

+486-542

Commits on Feb 25, 2020

Add an EXTCODECOPY test when the code range is out of bounds
masonforest
committed

Commits on Feb 27, 2020