Bug #14552: Kernel#Integer can return a non-Integer object.

• Status: Closed
• Assignee: mrkn (Kenta Murata)
• Target version: 2.6
• ruby -v: ruby 2.6.0dev (2018-02-25 trunk 62575) [x86_64-darwin16]
• Backport: 2.3: UNKNOWN, 2.4: UNKNOWN, 2.5: UNKNOWN

[mrkn (Kenta Murata)]

I found a bug that Kernel#Integer returns any non-nil object which is a result of to_int.

obj = Object.new
def obj.to_int
  "str"
end
Integer(obj) #=> "str"

[mrkn (Kenta Murata)]

• Status changed from Assigned to Closed

Applied in changeset trunk|r62581.

---

Check the result of to_int in Kernel#Integer

[ruby-core:85813] [Bug #14552]

• object.c (rb_convert_to_integer):
  Check the result of to_int in Kernel#Integer

• test/ruby/test_integer.rb: add tests.

• spec/ruby/core/kernel/Integer_spec.rb: fix examples.