// Copyright 2022 PingCAP, Inc.
//
// Licensed 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,
// See the License for the specific language governing permissions and
// limitations under the License.

package common

// func TestSpanHashMapBasicOp(t *testing.T) {
// 	t.Parallel()

// 	m := NewSpanHashMap[int]()

// 	// Insert then get.
// 	m.ReplaceOrInsert(TableSpan{&heartbeatpb.TableSpan{TableID: 1}}, 1)
// 	v, ok := m.Get(TableSpan{&heartbeatpb.TableSpan{TableID: 1}})
// 	require.Equal(t, v, 1)
// 	require.True(t, ok)
// 	require.Equal(t, 1, m.Len())
// 	require.True(t, m.Has(TableSpan{&heartbeatpb.TableSpan{TableID: 1}}))

// 	// Insert then get again.
// 	m.ReplaceOrInsert(TableSpan{&heartbeatpb.TableSpan{TableID: 1, StartKey: []byte{1}}}, 2)
// 	require.Equal(t, 2, m.Len())
// 	v, ok = m.Get(TableSpan{&heartbeatpb.TableSpan{TableID: 1, StartKey: []byte{1}}})
// 	require.Equal(t, v, 2)
// 	require.True(t, ok)

// 	// Overwrite then get.
// 	m.ReplaceOrInsert(
// 		TableSpan{&heartbeatpb.TableSpan{TableID: 1, StartKey: []byte{1}}}, 3)
// 	require.Equal(t, 2, m.Len())
// 	require.True(t, m.Has(TableSpan{&heartbeatpb.TableSpan{TableID: 1, StartKey: []byte{1}}}))
// 	v, ok = m.Get(TableSpan{&heartbeatpb.TableSpan{TableID: 1, StartKey: []byte{1}}})
// 	require.Equal(t, v, 3)
// 	require.True(t, ok)

// 	// get value
// 	v = m.GetV(TableSpan{&heartbeatpb.TableSpan{TableID: 1, StartKey: []byte{1}}})
// 	require.Equal(t, v, 3)

// 	// Delete than get value
// 	m.Delete(TableSpan{&heartbeatpb.TableSpan{TableID: 1, StartKey: []byte{1}}})
// 	require.Equal(t, 1, m.Len())
// 	require.False(t, m.Has(TableSpan{&heartbeatpb.TableSpan{TableID: 1, StartKey: []byte{1}}}))
// 	v = m.GetV(TableSpan{&heartbeatpb.TableSpan{TableID: 1, StartKey: []byte{1}}})
// 	require.Equal(t, v, 0)

// 	// Pointer value
// 	mp := NewSpanHashMap[*int]()
// 	vp := &v
// 	mp.ReplaceOrInsert(TableSpan{&heartbeatpb.TableSpan{TableID: 1}}, vp)
// 	vp1, ok := mp.Get(TableSpan{&heartbeatpb.TableSpan{TableID: 1}})
// 	require.Equal(t, vp, vp1)
// 	require.True(t, ok)
// 	require.Equal(t, 1, m.Len())
// }

// func TestSpanHashMapIter(t *testing.T) {
// 	t.Parallel()

// 	m := NewSpanHashMap[int]()
// 	for i := 0; i < 4; i++ {
// 		m.ReplaceOrInsert(TableSpan{&heartbeatpb.TableSpan{TableID: uint64(i)}}, i)
// 	}

// 	j := 0
// 	m.Range(func(span TableSpan, value int) bool {
// 		_, ok := m.Get(span)
// 		require.True(t, ok)
// 		j++
// 		return true
// 	})
// 	require.Equal(t, 4, j)

// 	j = 0
// 	m.Range(func(span TableSpan, value int) bool {
// 		ok := m.Has(span)
// 		require.True(t, ok)
// 		j++
// 		return false
// 	})
// 	require.Equal(t, 1, j)
// }