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improve FNV implementation

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This commit is contained in:
Lucas Clemente
2016-04-07 17:02:00 +02:00
parent c495d80faa
commit dae7b3dc75
2 changed files with 63 additions and 35 deletions
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17
crypto/fnv_test.go
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@@ -9,13 +9,18 @@ import (
var _ = Describe("FNV", func() {
It("gives proper null hash", func() {
h := crypto.New128a()
Expect(h.Sum128()).To(Equal([]byte{0x6c, 0x62, 0x27, 0x2e, 0x07, 0xbb, 0x01, 0x42, 0x62, 0xb8, 0x21, 0x75, 0x62, 0x95, 0xc5, 0x8d}))
hash := crypto.New128a()
h, l := hash.Sum128()
Expect(l).To(Equal(uint64(0x62b821756295c58d)))
Expect(h).To(Equal(uint64(0x6c62272e07bb0142)))
})
It("gives hashes", func() {
h := crypto.New128a()
h.Write([]byte("foobar"))
Expect(h.Sum128()).To(Equal([]byte{0x34, 0x3e, 0x16, 0x62, 0x79, 0x3c, 0x64, 0xbf, 0x6f, 0xd, 0x35, 0x97, 0xba, 0x44, 0x6f, 0x18}))
It("calculates hash", func() {
hash := crypto.New128a()
_, err := hash.Write([]byte("foobar"))
Expect(err).ToNot(HaveOccurred())
h, l := hash.Sum128()
Expect(l).To(Equal(uint64(0x6f0d3597ba446f18)))
Expect(h).To(Equal(uint64(0x343e1662793c64bf)))
})
})