36 lines
743 B
Go
36 lines
743 B
Go
package bigcache
|
|
|
|
import (
|
|
"hash/fnv"
|
|
"testing"
|
|
)
|
|
|
|
type testCase struct {
|
|
text string
|
|
expectedHash uint64
|
|
}
|
|
|
|
var testCases = []testCase{
|
|
{"", stdLibFnvSum64("")},
|
|
{"a", stdLibFnvSum64("a")},
|
|
{"ab", stdLibFnvSum64("ab")},
|
|
{"abc", stdLibFnvSum64("abc")},
|
|
{"some longer and more complicated text", stdLibFnvSum64("some longer and more complicated text")},
|
|
}
|
|
|
|
func TestFnvHashSum64(t *testing.T) {
|
|
h := newDefaultHasher()
|
|
for _, testCase := range testCases {
|
|
hashed := h.Sum64(testCase.text)
|
|
if hashed != testCase.expectedHash {
|
|
t.Errorf("hash(%q) = %d want %d", testCase.text, hashed, testCase.expectedHash)
|
|
}
|
|
}
|
|
}
|
|
|
|
func stdLibFnvSum64(key string) uint64 {
|
|
h := fnv.New64a()
|
|
h.Write([]byte(key))
|
|
return h.Sum64()
|
|
}
|