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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require 'hamster/hash'
describe Hamster::Hash do
[:reduce, :inject, :fold, :foldr].each do |method|
describe "##{method}" do
describe "when empty" do
before do
@original = Hamster.hash
@result = @original.send(method, "ABC") {}
end
it "returns the memo" do
@result.should == "ABC"
end
end
describe "when not empty" do
before do
@original = Hamster.hash("A" => "aye", "B" => "bee", "C" => "see")
end
describe "with a block" do
before do
@result = @original.send(method, 0) { |memo, key, value| memo + 1 }
end
it "returns the final memo" do
@result.should == 3
end
end
describe "with no block" do
before do
@result = @original.send(method, "ABC")
end
it "returns the memo" do
@result.should == "ABC"
end
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems