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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Kernel#!~" do
class KernelSpecs::NotMatch
def !~(obj)
:foo
end
end
it 'calls =~ internally and negates the result' do
obj = Object.new
obj.should_receive(:=~).and_return(true)
(obj !~ :foo).should == false
end
ruby_version_is ""..."3.2" do
it "returns true if self does not respond to #=~" do
suppress_warning do
(Object.new !~ :foo).should == true
end
end
end
ruby_version_is "3.2" do
it "raises NoMethodError if self does not respond to #=~" do
-> { Object.new !~ :foo }.should raise_error(NoMethodError)
end
end
it 'can be overridden in subclasses' do
obj = KernelSpecs::NotMatch.new
(obj !~ :bar).should == :foo
end
end
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