util/lru: add Clear method

Updates tailscale/corp#20109 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I751a669251a70f0134dd1540c19b274a97608a93
2024-05-17 19:50:28 -04:00
parent c56e0c4934
commit 47b3476eb7
2 changed files with 10 additions and 0 deletions
@@ -47,6 +47,10 @@ func TestLRU(t *testing.T) {
 	if c.Contains(3) {
 		t.Errorf("contains 3; should not")
 	}
+	c.Clear()
+	if g, w := c.Len(), 0; g != w {
+		t.Errorf("Len = %d; want %d", g, w)
+	}
 }

 func TestLRUDeleteCorruption(t *testing.T) {