ceph/src/arrow/go/arrow/array/data_test.go

   1 // Licensed to the Apache Software Foundation (ASF) under one
   2 // or more contributor license agreements.  See the NOTICE file
   3 // distributed with this work for additional information
   4 // regarding copyright ownership.  The ASF licenses this file
   5 // to you under the Apache License, Version 2.0 (the
   6 // "License"); you may not use this file except in compliance
   7 // with the License.  You may obtain a copy of the License at
   8 //
   9 // http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16
  17 package array
  18
  19 import (
  20         "testing"
  21
  22         "github.com/apache/arrow/go/v6/arrow"
  23         "github.com/apache/arrow/go/v6/arrow/memory"
  24         "github.com/stretchr/testify/assert"
  25 )
  26
  27 func TestDataReset(t *testing.T) {
  28         var (
  29                 buffers1 = make([]*memory.Buffer, 0, 3)
  30                 buffers2 = make([]*memory.Buffer, 0, 3)
  31         )
  32         for i := 0; i < cap(buffers1); i++ {
  33                 buffers1 = append(buffers1, memory.NewBufferBytes([]byte("some-bytes1")))
  34                 buffers2 = append(buffers2, memory.NewBufferBytes([]byte("some-bytes2")))
  35         }
  36
  37         data := NewData(&arrow.StringType{}, 10, buffers1, nil, 0, 0)
  38         data.Reset(&arrow.Int64Type{}, 5, buffers2, nil, 1, 2)
  39
  40         for i := 0; i < 2; i++ {
  41                 assert.Equal(t, buffers2, data.Buffers())
  42                 assert.Equal(t, &arrow.Int64Type{}, data.DataType())
  43                 assert.Equal(t, 1, data.NullN())
  44                 assert.Equal(t, 2, data.Offset())
  45                 assert.Equal(t, 5, data.Len())
  46
  47                 // Make sure it works when resetting the data with its own buffers (new buffers are retained
  48                 // before old ones are released.)
  49                 data.Reset(&arrow.Int64Type{}, 5, data.Buffers(), nil, 1, 2)
  50         }
  51 }