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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require 'hamster/stack'
describe Hamster::Stack do
describe "#pop" do
[
[["A", "B"], ["A"]],
[["A", "B", "C"], ["A", "B"]],
].each do |values, expected|
describe "on #{values.inspect}" do
before do
@original = Hamster.stack(*values)
@result = @original.pop
end
it "preserves the original" do
@original.should == Hamster.stack(*values)
end
it "returns #{expected.inspect}" do
@result.should == Hamster.stack(*expected)
end
end
end
[
[],
["A"],
].each do |values|
describe "on #{values.inspect}" do
before do
@original = Hamster.stack(*values)
@result = @original.pop
end
it "preserves the original" do
@original.should == Hamster.stack(*values)
end
it "returns an empty stack" do
@result.should be_empty
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems