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Contents
require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper')
require 'hamster/set'
describe Hamster::Set do
[:reduce, :inject, :fold].each do |method|
describe "##{method}" do
describe "when empty" do
before do
@original = Hamster.set
@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.set("A", "B", "C")
end
describe "with a block" do
before do
@result = @original.send(method, 0) { |memo, item| 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
13 entries across 13 versions & 1 rubygems