github.com/matrixorigin/matrixone@v1.2.0/pkg/fileservice/memorycache/lrucache/internal/hashmap/hashmap_test.go (about)

     1  // Copyright 2022 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 hashmap
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/dolthub/maphash"
    21  	"github.com/stretchr/testify/require"
    22  )
    23  
    24  func TestHashmap(t *testing.T) {
    25  	m := New[int, int](0)
    26  	hasher := maphash.NewHasher[int]()
    27  	for i := 0; i < 1000; i++ {
    28  		v := new(int)
    29  		*v = i
    30  		m.Set(hasher.Hash(i), i, v)
    31  	}
    32  	// test Len
    33  	require.Equal(t, 1000, m.Len())
    34  	// test Get
    35  	for i := 0; i < 1000; i++ {
    36  		v, ok := m.Get(hasher.Hash(i), i)
    37  		require.Equal(t, true, ok)
    38  		require.Equal(t, i, *v)
    39  	}
    40  	// test Delete
    41  	m.Delete(0, 0)
    42  	_, ok := m.Get(0, 0)
    43  	require.Equal(t, false, ok)
    44  }