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* For easier modifications of ruby/spec by MRI developers. * .gitignore: track changes under spec. * spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec. These files can therefore be updated like any other file in MRI. Instructions are provided in spec/README. [Feature #13156] [ruby-core:79246] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
23 lines
616 B
Ruby
23 lines
616 B
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require 'set'
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describe "Set#flatten_merge" do
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it "is protected" do
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Set.should have_protected_instance_method("flatten_merge")
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end
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it "flattens the passed Set and merges it into self" do
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set1 = Set[1, 2]
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set2 = Set[3, 4, Set[5, 6]]
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set1.send(:flatten_merge, set2).should == Set[1, 2, 3, 4, 5, 6]
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end
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it "raises an ArgumentError when trying to flatten a recursive Set" do
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set1 = Set[1, 2, 3]
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set2 = Set[5, 6, 7]
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set2 << set2
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lambda { set1.send(:flatten_merge, set2) }.should raise_error(ArgumentError)
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end
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end
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