1 file changed, 19 insertions, 0 deletions
diff --git a/tests/t0003-cache.sh b/tests/t0003-cache.sh
index c1b5163..3bdbe3f 100755
--- a/tests/t0003-cache.sh
+++ b/tests/t0003-cache.sh
@@ -264,6 +264,25 @@ test_expect_success 'an expired slot is dropped when its refill is too large' '
 	test_dir_is_empty cache3
 '
 
+# MANUAL says a cache-max-slot-size of 0 removes the limit, and cgit reads one
+# below 0 the same way. Each value comes after a limit the big blob page is
+# well past, so the page keeps its slot only if the value read last lifts it.
+test_expect_success 'a cache-max-slot-size of 0 or below lifts the limit' '
+	for size in 0 -1
+	do
+		rm -rf cache3 && mkdir cache3 &&
+		{
+			echo "cache-max-slot-size=32" &&
+			echo "cache-max-slot-size=$size" &&
+			cat bigkeyrc
+		} >unlimitedrc &&
+		cgit_ok unlimitedrc "url=bigpage/tree/big.txt" >/dev/null &&
+		ls cache3 >unlimited.slots &&
+		test_line_count = 1 unlimited.slots ||
+		{ echo "cache-max-slot-size=$size kept no slot" && return 1; }
+	done
+'
+
 # A slot past its ttl is rendered again, and the new page is both what the
 # request gets and what the slot keeps. The ttl is long enough that the copy
 # is still served after the commit, which shows the slot is in use.