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require_relative '../../spec_helper'
describe "Set#replace" do
before :each do
@set = Set[:a, :b, :c]
end
it "replaces the contents with other and returns self" do
@set.replace(Set[1, 2, 3]).should == @set
@set.should == Set[1, 2, 3]
end
it "raises RuntimeError when called during iteration" do
set = Set[:a, :b, :c, :d, :e, :f]
set.each do |_m|
-> { set.replace(Set[1, 2, 3]) }.should raise_error(RuntimeError, /iteration/)
end
set.should == Set[:a, :b, :c, :d, :e, :f]
end
it "accepts any enumerable as other" do
@set.replace([1, 2, 3]).should == Set[1, 2, 3]
end
end
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