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Versions: 15
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Contents
require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper')
require 'hamster/hash'
describe Hamster::Hash do
[:map, :collect].each do |method|
describe "##{method}" do
describe "when empty" do
before do
@original = Hamster.hash
@mapped = @original.send(method) {}
end
it "returns self" do
@mapped.should equal(@original)
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
@mapped = @original.send(method) { |key, value| [key.downcase, value.upcase] }
end
it "preserves the original values" do
@original.should == Hamster.hash("A" => "aye", "B" => "bee", "C" => "see")
end
it "returns a new hash with the mapped values" do
@mapped.should == Hamster.hash("a" => "AYE", "b" => "BEE", "c" => "SEE")
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
15 entries across 15 versions & 1 rubygems