Bug #16826: ObjectSpace::WeakMap#key? returns false if value is nil

• Status: Closed
• Assignee: Eregon (Benoit Daloze)
• Target version: -
• ruby -v: ruby 2.7.1p83 (2020-03-31 revision a0c7c23c9c) [x86_64-linux]
• Backport: 2.5: DONTNEED, 2.6: DONTNEED, 2.7: DONE

[Eregon (Benoit Daloze)]

$ ruby -e 'map=ObjectSpace::WeakMap.new; map[:foo] = 4; p map; p map.key? :foo'  
#<ObjectSpace::WeakMap:0x000055fbe0c38c00: :foo => 4>
true # OK

$ ruby -e 'map=ObjectSpace::WeakMap.new; map[:foo] = nil; p map; p map.key? :foo'
#<ObjectSpace::WeakMap:0x000056371e3f86e8: :foo => nil>
false # BUG

[Eregon (Benoit Daloze)]

• Assignee set to Eregon (Benoit Daloze)

I'll fix this.

[Eregon (Benoit Daloze)]

• Status changed from Open to Closed

Applied in changeset git|a2be428c5fec31b8adbd5ac087e7637ddf7e54d0.

---

Fix ObjectSpace::WeakMap#key? to work if the value is nil

• Fixes [Bug #16826]

[nagachika (Tomoyuki Chikanaga)]

• Backport changed from 2.5: DONTNEED, 2.6: DONTNEED, 2.7: REQUIRED to 2.5: DONTNEED, 2.6: DONTNEED, 2.7: DONE

ruby_2_7 9da6470d7b3aa136b4b92469c8bbc522beb1ac31 merged revision(s) a2be428c5fec31b8adbd5ac087e7637ddf7e54d0.