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Versions: 12
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Contents
require File.expand_path('../../../spec_helper', __FILE__)
require 'hamster/hash'
describe Hamster::Hash do
describe "#none?" do
describe "when empty" do
before do
@hash = Hamster.hash
end
it "with a block returns true" do
@hash.none? {}.should == true
end
it "with no block returns true" do
@hash.none?.should == true
end
end
describe "when not empty" do
before do
@hash = Hamster.hash("A" => "aye", "B" => "bee", "C" => "see", nil => "NIL")
end
describe "with a block" do
[
["A", "aye"],
["B", "bee"],
["C", "see"],
[nil, "NIL"],
].each do |pair|
it "returns false if the block ever returns true (#{pair.inspect})" do
@hash.none? { |key, value| key == pair.first && value == pair.last }.should == false
end
it "returns true if the block always returns false" do
@hash.none? { |key, value| key == "D" && value == "dee" }.should == true
end
end
end
describe "with no block" do
it "returns false" do
@hash.none?.should == false
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems