58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package upsidedown
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import (
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"bytes"
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"encoding/binary"
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"testing"
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)
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func TestPartialMerge(t *testing.T) {
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tests := []struct {
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in [][]byte
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out uint64
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}{
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{
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in: [][]byte{dictionaryTermIncr, dictionaryTermIncr, dictionaryTermIncr, dictionaryTermIncr, dictionaryTermIncr},
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out: 5,
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},
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}
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mo := &upsideDownMerge{}
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for _, test := range tests {
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curr := test.in[0]
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for _, next := range test.in[1:] {
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var ok bool
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curr, ok = mo.PartialMerge([]byte("key"), curr, next)
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if !ok {
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t.Errorf("expected partial merge ok")
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}
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}
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actual := decodeCount(curr)
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if actual != test.out {
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t.Errorf("expected %d, got %d", test.out, actual)
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}
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}
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}
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func decodeCount(in []byte) uint64 {
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buf := bytes.NewBuffer(in)
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count, _ := binary.ReadUvarint(buf)
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return count
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}
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