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Contents
require "spec_helper"
require "hamster/sorted_set"
describe Hamster::SortedSet do
describe "#below" do
context "when called without a block" do
it "returns a sorted set of all items lower than the argument" do
100.times do
items = rand(100).times.collect { rand(1000) }
set = SS.new(items)
threshold = rand(1000)
result = set.below(threshold)
array = items.select { |x| x < threshold }.sort
result.class.should be(Hamster::SortedSet)
result.size.should == array.size
result.to_a.should == array
end
end
end
context "when called with a block" do
it "yields all the items lower than the argument" do
100.times do
items = rand(100).times.collect { rand(1000) }
set = SS.new(items)
threshold = rand(1000)
result = []
set.below(threshold) { |x| result << x }
array = items.select { |x| x < threshold }.sort
result.size.should == array.size
result.should == array
end
end
end
context "on an empty set" do
it "returns an empty set" do
SS.empty.below(1).should be_empty
SS.empty.below('abc').should be_empty
SS.empty.below(:symbol).should be_empty
end
end
context "with an argument lower than all the values in the set" do
it "returns an empty set" do
result = SS.new(1..100).below(1)
result.class.should be(Hamster::SortedSet)
result.should be_empty
end
end
end
end
Version data entries
3 entries across 3 versions & 2 rubygems