| 89 | } |
| 90 | |
| 91 | func TestIterator_EmptyDB(t *testing.T) { |
| 92 | tempDir := t.TempDir() |
| 93 | cfg := &config.Config{ |
| 94 | LevelDB: config.LevelDBConfig{ |
| 95 | CacheSize: 64 * 1024 * 1024, |
| 96 | BlockSize: 4 * 1024, |
| 97 | WriteBufferSize: 4 * 1024 * 1024, |
| 98 | MaxOpenFiles: 1000, |
| 99 | Compression: true, |
| 100 | }, |
| 101 | } |
| 102 | |
| 103 | db, err := Store{}.Open(tempDir, cfg) |
| 104 | require.NoError(t, err) |
| 105 | defer db.Close() |
| 106 | |
| 107 | iter := db.NewIterator() |
| 108 | defer iter.Close() |
| 109 | |
| 110 | // Test with empty database |
| 111 | iter.First() |
| 112 | assert.False(t, iter.Valid()) |
| 113 | |
| 114 | iter.Last() |
| 115 | assert.False(t, iter.Valid()) |
| 116 | |
| 117 | iter.Seek([]byte("any")) |
| 118 | assert.False(t, iter.Valid()) |
| 119 | } |
| 120 | |
| 121 | func TestIterator_Close(t *testing.T) { |
| 122 | tempDir := t.TempDir() |