Fix case where stop returns to 0.

prrt/stores/forward_packet_table.c

@@ -31,7 +31,7 @@ int PrrtForwardPacketTable_test_set_is_number_relevant(PrrtForwardPacketTable *f
     uint16_t stop = (uint16_t) (SEQNO_SPACE / 2 + fpt_ptr->start);
     if (fpt_ptr->start < stop && !(fpt_ptr->start <= seqno && seqno <= stop)) {
         return FALSE;
-    } else if (!(seqno < stop)) {
+    } else if (!(seqno <= stop || fpt_ptr->start <= seqno)) {
         return FALSE;
     } else {
         uint16_t which_byte = (uint16_t) (seqno / 32);

tests/forward_packet_table_tests.cpp

@@ -69,4 +69,12 @@ TEST_F(ForwardPacketTableTest, Sequence) {
     ASSERT_EQ(forwardPacketTable->start, 2);
     ASSERT_TRUE(PrrtForwardPacketTable_test_set_is_number_relevant(forwardPacketTable, 8));
     ASSERT_EQ(forwardPacketTable->start, 2);
+}
+
+
+TEST_F(ForwardPacketTableTest, ResetToZero) {
+    for (int i = 1; i < pow(2, 16) + 5; ++i) {
+        ASSERT_TRUE(PrrtForwardPacketTable_test_set_is_number_relevant(forwardPacketTable, i));
+        ASSERT_FALSE(PrrtForwardPacketTable_test_set_is_number_relevant(forwardPacketTable, i));
+    }
 }
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