github.com/consensys/gnark-crypto@v0.14.0/ecc/bls12-377/fr/hash_to_field/hash_to_field_test.go (about)

     1  // Copyright 2020 Consensys Software Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // Code generated by consensys/gnark-crypto DO NOT EDIT
    16  
    17  package hash_to_field
    18  
    19  import (
    20  	"testing"
    21  
    22  	"github.com/consensys/gnark-crypto/ecc/bls12-377/fr"
    23  )
    24  
    25  func TestHashInterface(t *testing.T) {
    26  	msg := []byte("test")
    27  	sep := []byte("separator")
    28  	res, err := fr.Hash(msg, sep, 1)
    29  	if err != nil {
    30  		t.Fatal("hash to field", err)
    31  	}
    32  
    33  	htfFn := New(sep)
    34  	htfFn.Write(msg)
    35  	bts := htfFn.Sum(nil)
    36  	var res2 fr.Element
    37  	res2.SetBytes(bts[:fr.Bytes])
    38  	if !res[0].Equal(&res2) {
    39  		t.Error("not equal")
    40  	}
    41  }