Object#instance_of? should not accept non-Class or non-Module arguments
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Key: JRUBY-1936
URL: http://jira.codehaus.org/browse/JRUBY-1936
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.1RC1
Environment: Latest JRuby 1.1RC1 from trunk.
Reporter: Vladimir Sizikov
Attachments: object-instance-of.patch
Consider the following example:
{noformat}
"test".instance_of?(Object.new)
{noformat}
MRI returns:
TypeError: class or module required
JRuby returns:
false.
This leads to one rubyspec failure:
Object #instance_of? raises a TypeError if given an object that is not a Class
nor a Module FAILED
Expected TypeError but no exception was raised:
./mspec/expectations.rb:10:in `fail_with'
./mspec/expectations/should.rb:6:in `should'
/opt/work/rubinius/./spec/ruby/1.8/core/object/instance_of_P_spec.rb:49
tmp/last_ci.rb:52:in `call'
./mspec/runner/runner.rb:136:in `describe'
./mspec/runner/object.rb:11:in `each'
./mspec/runner/runner.rb:130:in `describe'
./mspec/runner/object.rb:11:in `describe'
/opt/work/rubinius/./spec/ruby/1.8/core/object/instance_of_P_spec.rb:17
tmp/last_ci.rb:52:in `load'
tmp/last_ci.rb:52
tmp/last_ci.rb:1:in `each'
tmp/last_ci.rb:44
The proposed patch fixes the problem.
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