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// Copyright 2020 Andrew Thornton. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package levelqueue
import (
"os"
"testing"
"github.com/stretchr/testify/assert"
)
func TestSet(t *testing.T) {
const dbDir = "./set"
os.RemoveAll(dbDir)
set, err := OpenSet(dbDir)
assert.NoError(t, err)
// SAdd
added, err := set.Add([]byte("test1"))
assert.NoError(t, err)
assert.EqualValues(t, true, added)
added, err = set.Add([]byte("test2"))
assert.NoError(t, err)
assert.EqualValues(t, true, added)
added, err = set.Add([]byte("test1"))
assert.NoError(t, err)
assert.EqualValues(t, false, added)
added, err = set.Add([]byte("test3"))
assert.NoError(t, err)
assert.EqualValues(t, true, added)
added, err = set.Add([]byte("test5"))
assert.NoError(t, err)
assert.EqualValues(t, true, added)
// SRem
removed, err := set.Remove([]byte("test1"))
assert.NoError(t, err)
assert.EqualValues(t, true, removed)
removed, err = set.Remove([]byte("test4"))
assert.NoError(t, err)
assert.EqualValues(t, false, removed)
removed, err = set.Remove([]byte("test3"))
assert.NoError(t, err)
assert.EqualValues(t, true, removed)
// SIsMember
isMember, err := set.Has([]byte("test2"))
assert.NoError(t, err)
assert.EqualValues(t, true, isMember)
isMember, err = set.Has([]byte("test1"))
assert.NoError(t, err)
assert.EqualValues(t, false, isMember)
// SMembers
members, err := set.Members()
assert.NoError(t, err)
assert.Contains(t, members, []byte("test2"))
assert.Contains(t, members, []byte("test5"))
assert.NotContains(t, members, []byte("test1"))
assert.NotContains(t, members, []byte("test3"))
assert.NotContains(t, members, []byte("test4"))
}
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