func TestExpirableMultipleClose(_ *testing.T) { lc :=lru.NewLRU[string, string](10, nil, 0) lc.Close() // should not panic lc.Close() }
(t *testing.T)
| 261 | // } |
| 262 | |
| 263 | func TestLRUWithPurge(t *testing.T) { |
| 264 | var evicted []string |
| 265 | lc := lru.NewLRU(10, func(key string, value string) { evicted = append(evicted, key, value) }, 150*time.Millisecond) |
| 266 | |
| 267 | k, v, ok := lc.GetOldest() |
| 268 | if k != "" { |
| 269 | t.Fatalf("should be empty") |
| 270 | } |
| 271 | if v != "" { |
| 272 | t.Fatalf("should be empty") |
| 273 | } |
| 274 | if ok { |
| 275 | t.Fatalf("should be false") |
| 276 | } |
| 277 | |
| 278 | lc.Add("key1", "val1") |
| 279 | |
| 280 | time.Sleep(100 * time.Millisecond) // not enough to expire |
| 281 | if lc.Len() != 1 { |
| 282 | t.Fatalf("length differs from expected") |
| 283 | } |
| 284 | |
| 285 | v, ok = lc.Get("key1") |
| 286 | if v != "val1" { |
| 287 | t.Fatalf("value differs from expected") |
| 288 | } |
| 289 | if !ok { |
| 290 | t.Fatalf("should be true") |
| 291 | } |
| 292 | |
| 293 | time.Sleep(200 * time.Millisecond) // expire |
| 294 | v, ok = lc.Get("key1") |
| 295 | if ok { |
| 296 | t.Fatalf("should be false") |
| 297 | } |
| 298 | if v != "" { |
| 299 | t.Fatalf("should be nil") |
| 300 | } |
| 301 | |
| 302 | if lc.Len() != 0 { |
| 303 | t.Fatalf("length differs from expected") |
| 304 | } |
| 305 | if !reflect.DeepEqual(evicted, []string{"key1", "val1"}) { |
| 306 | t.Fatalf("value differs from expected") |
| 307 | } |
| 308 | |
| 309 | // add new entry |
| 310 | lc.Add("key2", "val2") |
| 311 | if lc.Len() != 1 { |
| 312 | t.Fatalf("length differs from expected") |
| 313 | } |
| 314 | |
| 315 | k, v, ok = lc.GetOldest() |
| 316 | if k != "key2" { |
| 317 | t.Fatalf("value differs from expected") |
| 318 | } |
| 319 | if v != "val2" { |
| 320 | t.Fatalf("value differs from expected") |