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diff spec/util_cache_spec.lua @ 13174:8ec7b7d6556f

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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
line wrap: on
line diff
--- a/spec/util_cache_spec.lua	Fri Jun 30 18:51:03 2023 +0200
+++ b/spec/util_cache_spec.lua	Fri Jun 30 22:01:49 2023 +0200
@@ -388,5 +388,26 @@
 			c:resize(3);
 			assert.same({"v5", "v4", "v3"}, vs(c));
 		end);
+
+		it("eviction stuff", function ()
+			local c;
+			c = cache.new(4, function(_k,_v)
+				if c.size < 10 then
+					c:resize(c.size*2);
+				end
+			end)
+			for i = 1,20 do
+				c:set(i,i)
+			end
+			assert.equal(16, c.size);
+			assert.is_nil(c:get(1))
+			assert.is_nil(c:get(4))
+			assert.equal(5, c:get(5))
+			assert.equal(20, c:get(20))
+			c:resize(4)
+			assert.equal(20, c:get(20))
+			assert.equal(17, c:get(17))
+			assert.is_nil(c:get(10))
+		end)
 	end);
 end);