github.com/matrixorigin/matrixone@v1.2.0/pkg/vm/engine/tae/common/linklist_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  	"sync"
    19  	"testing"
    20  
    21  	"github.com/matrixorigin/matrixone/pkg/vm/engine/tae/testutils"
    22  	"github.com/stretchr/testify/assert"
    23  )
    24  
    25  func TestList(t *testing.T) {
    26  	defer testutils.AfterTest(t)()
    27  	n0 := NewSLLNode(nil)
    28  	var mu sync.RWMutex
    29  	n1 := NewSLLNode(&mu)
    30  	n0.SetNextNode(n1)
    31  	n1.SetNextNode(nil)
    32  	assert.Equal(t, n1, n0.GetNextNode())
    33  	n2 := NewSLLNode(nil)
    34  	n2.SetNextNode(nil)
    35  	n0.SetNextNode(n2)
    36  	assert.Equal(t, n2, n0.GetNextNode())
    37  	n0.ReleaseNextNode()
    38  	assert.Equal(t, nil, n0.GetNextNode())
    39  }