bug fixes

go.mod

@@ -2,4 +2,4 @@ module git.wntrmute.dev/kyle/go-mru
 
 go 1.17
 
-require github.com/benbjohnson/clock v1.3.5
+require github.com/benbjohnson/clock v1.3.0

go.sum

@@ -1,2 +0,0 @@
-github.com/benbjohnson/clock v1.3.5 h1:VvXlSJBzZpA/zum6Sj74hxwYI2DIxRWuNIoXAzHZz5o=
-github.com/benbjohnson/clock v1.3.5/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=

mru.go

@@ -53,10 +53,6 @@ func (c *Cache) Len() int {
 
 // evict should remove the least-recently-used cache item.
 func (c *Cache) evict() {
-	if c.access.Len() == 0 {
-		return
-	}
-
 	k := c.access.K(0)
 	c.evictKey(k)
 }

mru_test.go

@@ -20,11 +20,6 @@ func TestBasicCacheEviction(t *testing.T) {
 		t.Fatal("cache should have size 0")
 	}
 
-	c.evict()
-	if err := c.ConsistencyCheck(); err != nil {
-		t.Fatal(err)
-	}
-
 	c.Store("raven", 1)
 	if err := c.ConsistencyCheck(); err != nil {
 		t.Fatal(err)