1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 memory_test
import (
"testing"
"github.com/apache/arrow-go/v18/arrow/memory"
"github.com/stretchr/testify/assert"
)
func TestNewResizableBuffer(t *testing.T) {
mem := memory.NewCheckedAllocator(memory.NewGoAllocator())
defer mem.AssertSize(t, 0)
buf := memory.NewResizableBuffer(mem)
buf.Retain() // refCount == 2
exp := 10
buf.Resize(exp)
assert.NotNil(t, buf.Bytes())
assert.Equal(t, exp, len(buf.Bytes()))
assert.Equal(t, exp, buf.Len())
buf.Release() // refCount == 1
assert.NotNil(t, buf.Bytes())
buf.Release() // refCount == 0
assert.Nil(t, buf.Bytes())
assert.Zero(t, buf.Len())
}
func TestBufferReset(t *testing.T) {
mem := memory.NewCheckedAllocator(memory.NewGoAllocator())
defer mem.AssertSize(t, 0)
buf := memory.NewResizableBuffer(mem)
newBytes := []byte("some-new-bytes")
buf.Reset(newBytes)
assert.Equal(t, newBytes, buf.Bytes())
assert.Equal(t, len(newBytes), buf.Len())
}
func TestBufferSlice(t *testing.T) {
mem := memory.NewCheckedAllocator(memory.NewGoAllocator())
defer mem.AssertSize(t, 0)
buf := memory.NewResizableBuffer(mem)
buf.Resize(1024)
assert.Equal(t, 1024, mem.CurrentAlloc())
slice := memory.SliceBuffer(buf, 512, 256)
buf.Release()
assert.Equal(t, 1024, mem.CurrentAlloc())
slice.Release()
}
|
