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require 'minitest/spec'
require 'minitest/autorun'
shared_examples_128 = proc do
it 'should make correct hash for string' do
murmur.str_hash('asdfqwer', 0).must_equal [0xd6d7d367, 0xcb41f064, 0x8973cd72, 0xc345e72e]
murmur.str_hash('asdfqwerzxcvyui', 0).must_equal [0x007b2172f, 0x64ecae1b, 0x1813b5a5, 0x9c674ee6]
murmur.str_hash('asdfqwerzxcvyuio', 0).must_equal [0xf508df57, 0xbb38f3fd, 0xf48c9d98, 0xb65c36cd]
murmur.str_hash('asdfqwerzxcvyuio!', 0).must_equal [0x8a011755, 0xb13d463f, 0x8386d32a, 0x0df8884c]
end
it 'should make correct hash for 32bit integer' do
murmur.int32_hash(1717859169).must_equal [0x20b48108, 0x10369ceb, 0x3ad523cc, 0xdacb587f]
murmur.int32_hash(1717859169).must_equal murmur.str_hash('asdf')
end
it 'should make correct hash for 64bit integer' do
murmur.int64_hash(0x12345678).must_equal murmur.str_hash("\x78\x56\x34\x12\x00\x00\x00\x00")
murmur.int64_hash(0x1234567812345678).must_equal murmur.str_hash("\x78\x56\x34\x12\x78\x56\x34\x12")
end
it 'should make correct fmix for 64bit integer' do
murmur.fmix(1717859169).must_equal 0xbefb9076a3712207
murmur.fmix(12345678912345678).must_equal 0x197ef59146f5221c
end
end
shared_examples_32 = proc do
it 'should make correct hash for string' do
murmur.str_hash('asdfqwer', 0).must_equal 0xa46b5209
murmur.str_hash('asdfqwerty', 0).must_equal 0xa3cfe04b
murmur.str_hash('asd', 0).must_equal 0x14570c6f
end
it 'should make correct hash for 32bit integer' do
murmur.int32_hash(1717859169).must_equal 0x1b20e026
murmur.int32_hash(1717859169).must_equal murmur.str_hash('asdf')
end
it 'should make correct hash for 64bit integer' do
murmur.int64_hash(0x12345678).must_equal murmur.str_hash("\x78\x56\x34\x12\x00\x00\x00\x00")
murmur.int64_hash(0x1234567812345678).must_equal murmur.str_hash("\x78\x56\x34\x12\x78\x56\x34\x12")
end
it 'should make correct fmix for 32bit integer' do
murmur.fmix(1717859169).must_equal 0x17561734
end
end
require 'murmurhash3/pure_ruby'
describe "Pure ruby 32" do
let(:murmur) { MurmurHash3::PureRuby32 }
class_exec &shared_examples_32
end
describe "Pure ruby 128" do
let(:murmur) { MurmurHash3::PureRuby128 }
class_exec &shared_examples_128
end
begin
require 'murmurhash3/native_murmur'
describe "Native 32" do
let(:murmur) { MurmurHash3::Native32 }
class_exec &shared_examples_32
end
describe "Native 128" do
let(:murmur) { MurmurHash3::Native128 }
class_exec &shared_examples_128
end
rescue LoadError => e
puts "Could not load native extension: #{e}"
end
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