Sha256: 12699193d6acbc3390cb96a086f61464d8a5580514170c79a952934dbedf313c
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Versions: 7
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Contents
require 'spec_helper'
require 'hamster/set'
describe Hamster::Set do
describe "#none?" do
describe "when empty" do
before do
@set = Hamster.set
end
it "with a block returns true" do
@set.none? {}.should == true
end
it "with no block returns true" do
@set.none?.should == true
end
end
describe "when not empty" do
describe "with a block" do
before do
@set = Hamster.set("A", "B", "C", nil)
end
["A", "B", "C", nil].each do |value|
it "returns false if the block ever returns true (#{value.inspect})" do
@set.none? { |item| item == value }.should == false
end
end
it "returns true if the block always returns false" do
@set.none? { |item| item == "D" }.should == true
end
end
describe "with no block" do
it "returns false if any value is truthy" do
Hamster.set(nil, false, true, "A").none?.should == false
end
it "returns true if all values are falsey" do
Hamster.set(nil, false).none?.should == true
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems