github.com/livekit/protocol@v1.16.1-0.20240517185851-47e4c6bba773/utils/dedupedslice_test.go (about)

     1  // Copyright 2023 LiveKit, Inc.
     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 utils
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/require"
    21  )
    22  
    23  func TestDedupedSlice(t *testing.T) {
    24  	t.Run("no_overflow", func(t *testing.T) {
    25  		dsInt := NewDedupedSlice[int](10)
    26  		for idx, v := range []int{1, 2, 3, 4, 6, 4, 7} {
    27  			if idx == 5 {
    28  				require.False(t, dsInt.Add(v))
    29  			} else {
    30  				require.True(t, dsInt.Add(v))
    31  			}
    32  		}
    33  		require.EqualValues(t, []int{1, 2, 3, 4, 6, 7}, dsInt.Get())
    34  		require.Equal(t, 6, dsInt.Len())
    35  		require.True(t, dsInt.Has(2))
    36  		require.False(t, dsInt.Has(8))
    37  
    38  		dsString := NewDedupedSlice[string](10)
    39  		for idx, v := range []string{"one", "two", "ten", "six", "six", "four"} {
    40  			if idx == 4 {
    41  				require.False(t, dsString.Add(v))
    42  			} else {
    43  				require.True(t, dsString.Add(v))
    44  			}
    45  		}
    46  		require.EqualValues(t, []string{"one", "two", "ten", "six", "four"}, dsString.Get())
    47  		require.NotEqualValues(t, []string{"one", "two", "ten", "six", "six", "four"}, dsString.Get())
    48  		require.Equal(t, 5, dsString.Len())
    49  		require.True(t, dsString.Has("two"))
    50  		require.False(t, dsString.Has("eight"))
    51  
    52  		dsString.Clear()
    53  		require.Nil(t, dsString.Get())
    54  		require.Equal(t, 0, dsString.Len())
    55  	})
    56  
    57  	t.Run("max_len", func(t *testing.T) {
    58  		dsInt := NewDedupedSlice[int](5)
    59  		for _, v := range []int{1, 2, 3, 4, 6, 4, 7} {
    60  			dsInt.Add(v)
    61  		}
    62  		require.EqualValues(t, []int{2, 3, 4, 6, 7}, dsInt.Get())
    63  		require.Equal(t, 5, dsInt.Len())
    64  		require.True(t, dsInt.Has(2))
    65  		require.False(t, dsInt.Has(1))
    66  	})
    67  }