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require "spec_helper"
require "hamster/vector"
describe Hamster::Vector do
describe "#reverse_each" do
[2, 31, 32, 33, 1000, 1024, 1025, 2000].each do |size|
context "on a #{size}-item vector" do
let(:vector) { V[1..size] }
context "with a block (internal iteration)" do
it "returns self" do
vector.reverse_each {}.should be(vector)
end
it "yields all items in the opposite order as #each" do
result = []
vector.reverse_each { |item| result << item }
result.should eql(vector.to_a.reverse)
end
end
context "with no block" do
it "returns an Enumerator" do
result = vector.reverse_each
result.class.should be(Enumerator)
result.to_a.should eql(vector.to_a.reverse)
end
end
end
end
end
end
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