File: util_test.go

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golang-github-seiflotfy-cuckoofilter 0.0~git20170413.0.5bd91bc-4
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package cuckoofilter

import (
	"bufio"
	"fmt"
	"os"
	"testing"

	"github.com/leemcloughlin/gofarmhash"
)

func TestIndexAndFP(t *testing.T) {
	data := []byte("seif")
	i1, i2, fp := getIndicesAndFingerprint(data, 1024)
	i11 := getAltIndex(fp, i2, 1024)
	i22 := getAltIndex(fp, i1, 1024)
	if i1 != i11 {
		t.Errorf("Expected i1 == i11, instead %d != %d", i1, i11)
	}
	if i2 != i22 {
		t.Errorf("Expected i2 == i22, instead %d != %d", i2, i22)
	}
}

func TestFarmhash(t *testing.T) {
	fd, err := os.Open("/usr/share/dict/words")
	if err != nil {
		fmt.Println(err.Error())
		return
	}
	scanner := bufio.NewScanner(fd)

	var values []string
	for scanner.Scan() {
		s := scanner.Text()
		values = append(values, s)
	}

	for _, v := range values {
		farmhash.Hash64([]byte(v))
	}
}