From fd06157d1465d93b960e8be6e8e419295abde9a1 Mon Sep 17 00:00:00 2001
From: Fabian Jahr <fjahr@protonmail.com>
Date: Thu, 3 Apr 2025 19:51:46 +0200
Subject: [PATCH] test: Add coverage for restarted node without any block sync

---
 test/functional/feature_init.py | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/test/functional/feature_init.py b/test/functional/feature_init.py
index f3572013b37..332e5e3b1cc 100755
--- a/test/functional/feature_init.py
+++ b/test/functional/feature_init.py
@@ -26,8 +26,8 @@ class InitTest(BitcoinTestFramework):
     """
 
     def set_test_params(self):
-        self.setup_clean_chain = False
-        self.num_nodes = 1
+        self.setup_clean_chain = True
+        self.num_nodes = 2
         self.uses_wallet = None
 
     def init_stress_test(self):
@@ -35,8 +35,10 @@ class InitTest(BitcoinTestFramework):
         - test terminating initialization after seeing a certain log line.
         - test removing certain essential files to test startup error paths.
         """
-        self.stop_node(0)
+        self.start_node(0)
         node = self.nodes[0]
+        self.generate(node, 200, sync_fun=self.no_op)
+        self.stop_node(0)
 
         def sigterm_node():
             if platform.system() == 'Windows':
@@ -290,10 +292,20 @@ class InitTest(BitcoinTestFramework):
             assert_equal(result["height"], current_height)
             node.wait_until_stopped()
 
+    def init_empty_test(self):
+        self.log.info("Test that stopping and restarting a node that has done nothing is not causing a failure")
+        options = [
+            [],
+            ["-txindex=1", "-blockfilterindex=1", "-coinstatsindex=1"],
+        ]
+        for option in options:
+            self.restart_node(1, option)
+
     def run_test(self):
         self.init_pid_test()
         self.init_stress_test()
         self.break_wait_test()
+        self.init_empty_test()
 
 
 if __name__ == '__main__':