| // 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/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()) |
| } |