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require "spec_helper"
require "hamster/sorted_set"
describe Hamster::SortedSet do
describe "#drop_while" do
[
[[], []],
[["A"], []],
[%w[A B C], ["C"]],
[%w[A B C D E F G], %w[C D E F G]]
].each do |values, expected|
context "on #{values.inspect}" do
let(:sorted_set) { SS[*values] }
context "with a block" do
it "preserves the original" do
sorted_set.drop_while { |item| item < "C" }
sorted_set.should eql(SS[*values])
end
it "returns #{expected.inspect}" do
sorted_set.drop_while { |item| item < "C" }.should eql(SS[*expected])
end
end
context "without a block" do
it "returns an Enumerator" do
sorted_set.drop_while.class.should be(Enumerator)
sorted_set.drop_while.each { |item| item < "C" }.should eql(SS[*expected])
end
end
end
end
end
end
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