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Contents
require File.expand_path(File.dirname(__FILE__) + '/../../spec_helper')
require 'hamster/set'
describe Hamster::Set do
[:any?, :exist?, :exists?].each do |method|
describe "##{method}" do
describe "when empty" do
before do
@set = Hamster.set
end
it "with a block returns false" do
@set.send(method) {}.should be_false
end
it "with no block returns false" do
@set.send(method).should be_false
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 true if the block ever returns true (#{value.inspect})" do
@set.send(method) { |item| item == value }.should be_true
end
end
it "returns false if the block always returns false" do
@set.send(method) { |item| item == "D" }.should be_false
end
end
describe "with no block" do
it "returns true if any value is truthy" do
Hamster.set(nil, false, true, "A").send(method).should be_true
end
it "returns false if all values are falsey" do
Hamster.set(nil, false).send(method).should be_false
end
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems