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path: root/Godeps/_workspace/src/github.com/syndtr/goleveldb/leveldb/session_record_test.go
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// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
// All rights reserved.
//
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package leveldb

import (
    "bytes"
    "testing"

    "github.com/syndtr/goleveldb/leveldb/opt"
)

func decodeEncode(v *sessionRecord) (res bool, err error) {
    b := new(bytes.Buffer)
    err = v.encode(b)
    if err != nil {
        return
    }
    v2 := &sessionRecord{numLevel: opt.DefaultNumLevel}
    err = v.decode(b)
    if err != nil {
        return
    }
    b2 := new(bytes.Buffer)
    err = v2.encode(b2)
    if err != nil {
        return
    }
    return bytes.Equal(b.Bytes(), b2.Bytes()), nil
}

func TestSessionRecord_EncodeDecode(t *testing.T) {
    big := uint64(1) << 50
    v := &sessionRecord{numLevel: opt.DefaultNumLevel}
    i := uint64(0)
    test := func() {
        res, err := decodeEncode(v)
        if err != nil {
            t.Fatalf("error when testing encode/decode sessionRecord: %v", err)
        }
        if !res {
            t.Error("encode/decode test failed at iteration:", i)
        }
    }

    for ; i < 4; i++ {
        test()
        v.addTable(3, big+300+i, big+400+i,
            newIkey([]byte("foo"), big+500+1, ktVal),
            newIkey([]byte("zoo"), big+600+1, ktDel))
        v.delTable(4, big+700+i)
        v.addCompPtr(int(i), newIkey([]byte("x"), big+900+1, ktVal))
    }

    v.setComparer("foo")
    v.setJournalNum(big + 100)
    v.setPrevJournalNum(big + 99)
    v.setNextFileNum(big + 200)
    v.setSeqNum(big + 1000)
    test()
}