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path: root/spec/ruby/library/set/sortedset/delete_spec.rb
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require_relative '../../../spec_helper'

ruby_version_is ""..."3.0" do
  require 'set'

  describe "SortedSet#delete" do
    before :each do
      @set = SortedSet["a", "b", "c"]
    end

    it "deletes the passed Object from self" do
      @set.delete("a")
      @set.should_not include("a")
    end

    it "returns self" do
      @set.delete("a").should equal(@set)
      @set.delete("x").should equal(@set)
    end
  end

  describe "SortedSet#delete?" do
    before :each do
      @set = SortedSet["a", "b", "c"]
    end

    it "deletes the passed Object from self" do
      @set.delete?("a")
      @set.should_not include("a")
    end

    it "returns self when the passed Object is in self" do
      @set.delete?("a").should equal(@set)
    end

    it "returns nil when the passed Object is not in self" do
      @set.delete?("x").should be_nil
    end
  end
end