Mercurial > prosody-hg
comparison spec/util_cache_spec.lua @ 13174:8ec7b7d6556f
util.cache: Keep eviction candidate if callback resized to make room
Previously either the old or the new values would be rejected, even if
the cache was resized to allow more items.
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Fri, 30 Jun 2023 22:01:49 +0200 |
| parents | e9fcc69ea508 |
| children | bbdaa770b955 |
comparison
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| 13173:4906d4990ffe | 13174:8ec7b7d6556f |
|---|---|
| 386 c:resize("foo"); | 386 c:resize("foo"); |
| 387 end); | 387 end); |
| 388 c:resize(3); | 388 c:resize(3); |
| 389 assert.same({"v5", "v4", "v3"}, vs(c)); | 389 assert.same({"v5", "v4", "v3"}, vs(c)); |
| 390 end); | 390 end); |
| 391 | |
| 392 it("eviction stuff", function () | |
| 393 local c; | |
| 394 c = cache.new(4, function(_k,_v) | |
| 395 if c.size < 10 then | |
| 396 c:resize(c.size*2); | |
| 397 end | |
| 398 end) | |
| 399 for i = 1,20 do | |
| 400 c:set(i,i) | |
| 401 end | |
| 402 assert.equal(16, c.size); | |
| 403 assert.is_nil(c:get(1)) | |
| 404 assert.is_nil(c:get(4)) | |
| 405 assert.equal(5, c:get(5)) | |
| 406 assert.equal(20, c:get(20)) | |
| 407 c:resize(4) | |
| 408 assert.equal(20, c:get(20)) | |
| 409 assert.equal(17, c:get(17)) | |
| 410 assert.is_nil(c:get(10)) | |
| 411 end) | |
| 391 end); | 412 end); |
| 392 end); | 413 end); |