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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require 'hamster/set'
describe Hamster::Set do
[:map, :collect].each do |method|
describe "##{method}" do
describe "when empty" do
before do
@original = Hamster.set
@mapped = @original.send(method) {}
end
it "returns self" do
@mapped.should equal(@original)
end
end
describe "when not empty" do
before do
@original = Hamster.set("A", "B", "C")
end
describe "with a block" do
before do
@mapped = @original.send(method) { |item| item.downcase }
end
it "preserves the original values" do
@original.should == Hamster.set("A", "B", "C")
end
it "returns a new set with the mapped values" do
@mapped.should == Hamster.set("a", "b", "c")
end
end
describe "with no block" do
before do
@result = @original.send(method)
end
it "returns self" do
@result.should equal(@original)
end
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems