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String#uminus dedupes unconditionally

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[Feature #14478] [ruby-core:85669]

Thanks-to: Sam Saffron <sam.saffron@gmail.com>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63566 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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normal 2018-06-04 23:26:03 +00:00
parent b3cb6dbafc
commit 256411b47f
2 changed files with 8 additions and 14 deletions
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8
spec/ruby/core/string/uminus_spec.rb
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@ -31,14 +31,12 @@ describe 'String#-@' do
(-"unfrozen string").should_not equal(-"another unfrozen string")
end
it "is an identity function if the string is frozen" do
it "deduplicates frozen strings" do
dynamic = %w(this string is frozen).join(' ').freeze
(-dynamic).should equal(dynamic)
dynamic.should_not equal("this string is frozen".freeze)
(-dynamic).should_not equal("this string is frozen".freeze)
(-dynamic).should_not equal(-"this string is frozen".freeze)
(-dynamic).should equal("this string is frozen".freeze)
(-dynamic).should equal(-"this string is frozen".freeze)
end
end
end