github.com/matrixorigin/matrixone@v0.7.0/pkg/vm/engine/tae/common/file_test.go (about)

     1  // Copyright 2021 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package common
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/testutils"
    21  	"github.com/stretchr/testify/assert"
    22  )
    23  
    24  func TestFile(t *testing.T) {
    25  	defer testutils.AfterTest(t)()
    26  	mf := NewMemFile(0)
    27  	stat := mf.Stat()
    28  	assert.Equal(t, stat.Size(), int64(0))
    29  	assert.Equal(t, stat.Name(), "")
    30  	assert.Equal(t, stat.CompressAlgo(), 0)
    31  	assert.Equal(t, stat.OriginSize(), int64(0))
    32  	assert.Equal(t, mf.GetFileType(), MemFile)
    33  	mf.Ref()
    34  	mf.Unref()
    35  	_, err := mf.Read(make([]byte, 0))
    36  	assert.Nil(t, err)
    37  }