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io_test.go
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io_test.go
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// Copyright 2023 the Blobloom authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package blobloom
import (
"bytes"
"io"
"math/rand"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestDumpLoad(t *testing.T) {
f := New(12345, 6)
r := rand.New(rand.NewSource(55))
for i := 0; i < 100; i++ {
f.Add(r.Uint64())
}
buf := new(bytes.Buffer)
n, err := Dump(buf, f, "random bytes")
require.NoError(t, err)
assert.EqualValues(t, 26*64, n)
l, err := NewLoader(buf)
require.NoError(t, err)
assert.Equal(t, "random bytes", l.Comment)
g := New(12345, 6)
g2, err := l.Load(g)
require.NoError(t, err)
assert.True(t, g == g2)
assert.True(t, f.Equals(g))
g2, err = l.Load(nil)
assert.Nil(t, g2)
assert.Equal(t, io.ErrUnexpectedEOF, err)
}