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Replace Set::difference with Set::^.

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This commit is contained in:
Markus Reiter 2017-02-18 02:30:47 +01:00
parent a74b7ade66
commit e1fef54b76
1 changed files with 1 additions and 1 deletions
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2
Library/Homebrew/test/spec_helper.rb
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@ -67,7 +67,7 @@ RSpec.configure do |config|
files_after_test = Find.find(TEST_TMPDIR).map { |f| f.sub(TEST_TMPDIR, "") }
diff = Set.new(@__files_before_test).difference(Set.new(files_after_test))
diff = Set.new(@__files_before_test) ^ Set.new(files_after_test)
expect(diff).to be_empty, <<-EOS.undent
file leak detected:
#{diff.map { |f| " #{f}" }.join("\n")}