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-rw-r--r--tests/test-wttrin--cleanup-cache-if-needed.el9
1 files changed, 5 insertions, 4 deletions
diff --git a/tests/test-wttrin--cleanup-cache-if-needed.el b/tests/test-wttrin--cleanup-cache-if-needed.el
index 1850d17..7533bfa 100644
--- a/tests/test-wttrin--cleanup-cache-if-needed.el
+++ b/tests/test-wttrin--cleanup-cache-if-needed.el
@@ -108,16 +108,17 @@
(should (= 1 (testutil-wttrin-cache-size))))
(test-wttrin--cleanup-cache-if-needed-teardown)))
-(ert-deftest test-wttrin--cleanup-cache-if-needed-boundary-two-entries-at-max-one-removes-none ()
- "Test that two entries at max=1 removes no entries due to integer division."
+(ert-deftest test-wttrin--cleanup-cache-if-needed-boundary-two-entries-at-max-one-reduces-to-max ()
+ "Boundary: two entries at max=1 reduces to the max.
+floor(2 * 0.20) is 0, but cleanup must still remove at least one entry when the
+cache is over max, or it would exceed its advertised maximum indefinitely."
(test-wttrin--cleanup-cache-if-needed-setup)
(unwind-protect
(testutil-wttrin-with-cache-max 1
(testutil-wttrin-add-to-cache "old" "data1" 100)
(testutil-wttrin-add-to-cache "new" "data2" 50)
(wttrin--cleanup-cache-if-needed)
- ;; 2 entries / 5 = 0 in integer division, so no entries removed
- (should (= 2 (testutil-wttrin-cache-size))))
+ (should (= 1 (testutil-wttrin-cache-size))))
(test-wttrin--cleanup-cache-if-needed-teardown)))
(ert-deftest test-wttrin--cleanup-cache-if-needed-boundary-one-over-max-removes-oldest ()