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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
27 lines
561 B
Ruby
27 lines
561 B
Ruby
require_relative '../../spec_helper'
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require 'set'
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require_relative 'shared/add'
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describe "Set#add" do
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it_behaves_like :set_add, :add
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end
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describe "Set#add?" do
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before :each do
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@set = Set.new
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end
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it "adds the passed Object to self" do
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@set.add?("cat")
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@set.should include("cat")
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end
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it "returns self when the Object has not yet been added to self" do
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@set.add?("cat").should equal(@set)
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end
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it "returns nil when the Object has already been added to self" do
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@set.add?("cat")
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@set.add?("cat").should be_nil
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end
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end
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