# encoding: utf-8

#--
# Copyright DataStax, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#++

require 'spec_helper'

module Cassandra
  describe(Murmur3) do
    describe('.hash') do
      [
        ['123', -7468325962851647638],
        ["\x00\xff\x10\xfa\x99" * 10, 5837342703291459765],
        ["\xfe" * 8, -8927430733708461935],
        ["\x10" * 8, 1446172840243228796],
        ['9223372036854775807', 7162290910810015547],
        ["\x01\x02\x03\x04\x05\x06\a\b\t\n\v\f\r\x0E\x0F\x10", -5563837382979743776],
        ["\x02\x03\x04\x05\x06\a\b\t\n\v\f\r\x0E\x0F\x10\x11", -1513403162740402161],
        ["\x03\x04\x05\x06\a\b\t\n\v\f\r\x0E\x0F\x10\x11\x12", -495360443712684655],
        ["\x04\x05\x06\a\b\t\n\v\f\r\x0E\x0F\x10\x11\x12\x13", 1734091135765407943],
        ["\x05\x06\a\b\t\n\v\f\r\x0E\x0F\x10\x11\x12\x13\x14", -3199412112042527988],
        ["\x06\a\b\t\n\v\f\r\x0E\x0F\x10\x11\x12\x13\x14\x15", -6316563938475080831],
        ["\a\b\t\n\v\f\r\x0E\x0F\x10\x11\x12\x13\x14\x15\x16", 8228893370679682632],
        ["\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 5457549051747178710],
        ["\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", -2824192546314762522],
        ["\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE", -833317529301936754],
        ["\x00\x01\x02\x03\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 6463632673159404390],
        ["\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE\xFE", -1672437813826982685],
        ["\xFE\xFE\xFE\xFE", 4566408979886474012],
        ["\x00\x00\x00\x00", -3485513579396041028],
        ["\x00\x01\x7F\x7F", 6573459401642635627],
        ["\x00\xFF\xFF\xFF", 123573637386978882],
        ["\xFF\x01\x02\x03", -2839127690952877842],
        ["\x00\x01\x02\x03\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 6463632673159404390],
        ["\xE2\xE7", -8582699461035929883], ["\xE2\xE7\xE2\xE7\xE2\xE7\x01", 2222373981930033306]
      ].each do |(string, hash)|
        context "with #{string.inspect}" do
          it "produces #{hash}" do
            expect(Cassandra::Murmur3.hash(string)).to eq(hash)
          end
        end
      end
    end
  end
end
