| 118 | } |
| 119 | |
| 120 | func TestCopy_Concurrent(t *testing.T) { |
| 121 | reader, writer := Pipe[int](10) |
| 122 | |
| 123 | // 开始写入 |
| 124 | go func() { |
| 125 | defer writer.Close() |
| 126 | for i := range 100 { |
| 127 | writer.Send(i, nil) |
| 128 | } |
| 129 | }() |
| 130 | |
| 131 | copies := reader.Copy(3) |
| 132 | |
| 133 | var wg sync.WaitGroup |
| 134 | results := make([][]int, 3) |
| 135 | |
| 136 | for i, cp := range copies { |
| 137 | wg.Add(1) |
| 138 | go func(idx int, r *Reader[int]) { |
| 139 | defer wg.Done() |
| 140 | var result []int |
| 141 | for { |
| 142 | v, err := r.Recv() |
| 143 | if errors.Is(err, io.EOF) { |
| 144 | break |
| 145 | } |
| 146 | if err != nil { |
| 147 | t.Errorf("copy %d: error: %v", idx, err) |
| 148 | return |
| 149 | } |
| 150 | result = append(result, v) |
| 151 | } |
| 152 | results[idx] = result |
| 153 | r.Close() |
| 154 | }(i, cp) |
| 155 | } |
| 156 | |
| 157 | wg.Wait() |
| 158 | |
| 159 | // 所有副本应该有相同的值 |
| 160 | for i, result := range results { |
| 161 | if len(result) != 100 { |
| 162 | t.Errorf("copy %d: expected 100 items, got %d", i, len(result)) |
| 163 | } |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | func TestMerge_Basic(t *testing.T) { |
| 168 | r1 := FromSlice([]int{1, 3, 5}) |