Sha256: 4fa761b4d393d3f97473b1980379f50d22b45ef51430668045953d843ba9efb9
Contents?: true
Size: 943 Bytes
Versions: 3
Compression:
Stored size: 943 Bytes
Contents
require "spec_helper"
require "hamster/hash"
describe Hamster::Hash do
describe "#hash" do
it "values are sufficiently distributed" do
(1..4000).each_slice(4).map { |ka, va, kb, vb| H[ka => va, kb => vb].hash }.uniq.size.should == 1000
end
it "differs given the same keys and different values" do
H["ka" => "va"].hash.should_not == H["ka" => "vb"].hash
end
it "differs given the same values and different keys" do
H["ka" => "va"].hash.should_not == H["kb" => "va"].hash
end
it "generates the same hash value for a hash regardless of the order things were added to it" do
key1 = DeterministicHash.new('abc', 1)
key2 = DeterministicHash.new('xyz', 1)
H.empty.put(key1, nil).put(key2, nil).hash.should == H.empty.put(key2, nil).put(key1, nil).hash
end
describe "on an empty hash" do
it "returns 0" do
H.empty.hash.should == 0
end
end
end
end
Version data entries
3 entries across 3 versions & 2 rubygems