| // 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 array |
| |
| import ( |
| "testing" |
| "unsafe" |
| |
| "github.com/apache/arrow/go/arrow/memory" |
| "github.com/stretchr/testify/assert" |
| ) |
| |
| func TestInt32BufferBuilder(t *testing.T) { |
| mem := memory.NewCheckedAllocator(memory.NewGoAllocator()) |
| defer mem.AssertSize(t, 0) |
| |
| bb := newInt32BufferBuilder(mem) |
| exp := []int32{0x01020304, 0x05060708, 0x090a0b0c, 0x0d0e0f01, 0x02030405, 0x06070809} |
| bb.AppendValues(exp[:3]) |
| bb.AppendValues(exp[3:]) |
| |
| expBuf := []byte{ |
| 0x04, 0x03, 0x02, 0x01, |
| 0x08, 0x07, 0x06, 0x05, |
| 0x0c, 0x0b, 0x0a, 0x09, |
| 0x01, 0x0f, 0x0e, 0x0d, |
| 0x05, 0x04, 0x03, 0x02, |
| 0x09, 0x08, 0x07, 0x06, |
| } |
| assert.Equal(t, expBuf, bb.Bytes(), "unexpected byte values") |
| assert.Equal(t, exp, bb.Values(), "unexpected int32 values") |
| assert.Equal(t, len(exp), bb.Len(), "unexpected Len()") |
| |
| buflen := bb.Len() |
| bfr := bb.Finish() |
| assert.Equal(t, buflen*int(unsafe.Sizeof(int32(0))), bfr.Len(), "Buffer was not resized") |
| assert.Len(t, bfr.Bytes(), bfr.Len(), "Buffer.Bytes() != Buffer.Len()") |
| bfr.Release() |
| |
| assert.Len(t, bb.Bytes(), 0, "BufferBuilder was not reset after Finish") |
| assert.Zero(t, bb.Len(), "BufferBuilder was not reset after Finish") |
| bb.Release() |
| } |
| |
| func TestInt32BufferBuilder_AppendValue(t *testing.T) { |
| mem := memory.NewCheckedAllocator(memory.NewGoAllocator()) |
| defer mem.AssertSize(t, 0) |
| |
| bb := newInt32BufferBuilder(mem) |
| exp := []int32{0x01020304, 0x05060708, 0x090a0b0c, 0x0d0e0f01, 0x02030405, 0x06070809} |
| for _, v := range exp { |
| bb.AppendValue(v) |
| } |
| |
| expBuf := []byte{ |
| 0x04, 0x03, 0x02, 0x01, |
| 0x08, 0x07, 0x06, 0x05, |
| 0x0c, 0x0b, 0x0a, 0x09, |
| 0x01, 0x0f, 0x0e, 0x0d, |
| 0x05, 0x04, 0x03, 0x02, |
| 0x09, 0x08, 0x07, 0x06, |
| } |
| assert.Equal(t, expBuf, bb.Bytes(), "unexpected byte values") |
| assert.Equal(t, exp, bb.Values(), "unexpected int32 values") |
| assert.Equal(t, len(exp), bb.Len(), "unexpected Len()") |
| bb.Release() |
| } |