mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
93 lines
2.2 KiB
Go
93 lines
2.2 KiB
Go
// Copyright 2023 The etcd 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 backend
|
|
|
|
import (
|
|
"fmt"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func Test_bucketBuffer_CopyUsed_After_Add(t *testing.T) {
|
|
bb := &bucketBuffer{buf: make([]kv, 10), used: 0}
|
|
for i := 0; i < 20; i++ {
|
|
k := fmt.Sprintf("key%d", i)
|
|
v := fmt.Sprintf("val%d", i)
|
|
bb.add([]byte(k), []byte(v))
|
|
bbCopy := bb.CopyUsed()
|
|
assert.Equal(t, bb.used, bbCopy.used)
|
|
assert.Equal(t, bbCopy.used, len(bbCopy.buf))
|
|
assert.GreaterOrEqual(t, len(bb.buf), len(bbCopy.buf))
|
|
}
|
|
}
|
|
|
|
func Test_bucketBuffer_CopyUsed(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
bufLen int
|
|
used int
|
|
wantPanic bool
|
|
wantUsed int
|
|
wantBufLen int
|
|
}{
|
|
{
|
|
name: "used is 0",
|
|
bufLen: 10,
|
|
used: 0,
|
|
wantPanic: false,
|
|
wantUsed: 0,
|
|
wantBufLen: 0,
|
|
},
|
|
{
|
|
name: "used is greater than 0 and less than len(buf)",
|
|
bufLen: 10,
|
|
used: 5,
|
|
wantPanic: false,
|
|
wantUsed: 5,
|
|
wantBufLen: 5,
|
|
},
|
|
{
|
|
name: "used is equal to len(buf)",
|
|
bufLen: 10,
|
|
used: 10,
|
|
wantPanic: false,
|
|
wantUsed: 10,
|
|
wantBufLen: 10,
|
|
},
|
|
{
|
|
name: "used is greater than len(buf)",
|
|
bufLen: 10,
|
|
used: 11,
|
|
wantPanic: true,
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
bb := &bucketBuffer{buf: make([]kv, tt.bufLen), used: tt.used}
|
|
if tt.wantPanic {
|
|
assert.Panicsf(t, func() {
|
|
bb.CopyUsed()
|
|
}, "expected panic when used (%d) and the length of buf (%d)", tt.used, tt.bufLen)
|
|
} else {
|
|
bbCopy := bb.CopyUsed()
|
|
assert.Equal(t, tt.wantUsed, bbCopy.used)
|
|
assert.Equal(t, tt.wantBufLen, len(bbCopy.buf))
|
|
}
|
|
})
|
|
}
|
|
}
|