Incompatible behavior in Comparable#==
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Key: JRUBY-1585
URL: http://jira.codehaus.org/browse/JRUBY-1585
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.x
Environment: Linux 2.6.22-14-generic #1 SMP Sun Oct 14 23:05:12 GMT
2007 i686 GNU/Linux
Ubuntu Server 7.10
Reporter: Vladimir Sizikov
Priority: Minor
Comparable#== fails two tests from rubinius specs. The tests pass on MRI.
The problem is that JRuby returns false in those two cases when == is invoked,
while MRI returns nil.
#>bin/mspec -t ruby spec/core/comparable
..................
18 examples, 0 failures
#>bin/mspec -t jruby spec/core/comparable
....EF............
1)
Comparable#== returns nil if calling #<=> on self returns nil or a non-Integer
FAILED
comparison of String with 0 failed:
/opt/work/rubinius/./spec/core/comparable/equal_value_spec.rb:35
/opt/work/rubinius/./spec/core/comparable/equal_value_spec.rb:35:in `it'
/opt/work/rubinius/spec/mini_rspec.rb:355:in `it'
/opt/work/rubinius/./spec/core/comparable/equal_value_spec.rb:35:in `it'
/opt/work/rubinius/./spec/core/comparable/equal_value_spec.rb:35:in `describe'
/opt/work/rubinius/spec/mini_rspec.rb:399:in `describe'
/opt/work/rubinius/./spec/core/comparable/equal_value_spec.rb:4:in `describe'
/opt/work/rubinius/./spec/core/comparable/equal_value_spec.rb:4:in `load'
last_mspec.rb:11:in `load'
last_mspec.rb:1:in `each'
last_mspec.rb:6:in `each'
2)
Comparable#== returns nil if calling #<=> on self raises a StandardError FAILED
Expected false to equal nil:
/opt/work/rubinius/spec/mini_rspec.rb:217:in `=='
/opt/work/rubinius/./spec/core/comparable/equal_value_spec.rb:51:in `=='
/opt/work/rubinius/./spec/core/comparable/equal_value_spec.rb:46:in `it'
/opt/work/rubinius/spec/mini_rspec.rb:355:in `it'
/opt/work/rubinius/./spec/core/comparable/equal_value_spec.rb:46:in `it'
/opt/work/rubinius/./spec/core/comparable/equal_value_spec.rb:46:in `describe'
/opt/work/rubinius/spec/mini_rspec.rb:399:in `describe'
/opt/work/rubinius/./spec/core/comparable/equal_value_spec.rb:4:in `describe'
/opt/work/rubinius/./spec/core/comparable/equal_value_spec.rb:4:in `load'
last_mspec.rb:11:in `load'
last_mspec.rb:1:in `each'
last_mspec.rb:6:in `each'
18 examples, 2 failures
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