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require File.expand_path('../../../spec_helper', __FILE__)
require 'set'
describe "Set#delete" do
before :each do
@set = Set["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 "Set#delete?" do
before :each do
@set = Set["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
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