From 3294abba11093e29bba17a657bcbb95637266e3b Mon Sep 17 00:00:00 2001
From: evoskuil <eric@voskuil.org>
Date: Thu, 16 May 2024 08:59:49 -0400
Subject: [PATCH] Add checkpoint sort tests.

---
 test/chain/checkpoint.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/test/chain/checkpoint.cpp b/test/chain/checkpoint.cpp
index 7260ffd80f..1a8a31a69e 100644
--- a/test/chain/checkpoint.cpp
+++ b/test/chain/checkpoint.cpp
@@ -170,6 +170,28 @@ BOOST_AUTO_TEST_CASE(checkpoint__equality__different__expected)
     BOOST_REQUIRE(!(instance1 == instance2));
 }
 
+BOOST_AUTO_TEST_CASE(checkpoint__sort__non_empty__expected)
+{
+    checkpoints points
+    {
+        { "1111111111111111111111111111111111111111111111111111111111111111", 1000 },
+        { "0000000000000000000000000000000000000000000000000000000000000000", 17 },
+        { "0102030405060708090a0102030405060708090a0102030405060708090a0b0c", 42 }
+    };
+
+    const checkpoints expected
+    {
+        { "0000000000000000000000000000000000000000000000000000000000000000", 17 },
+        { "0102030405060708090a0102030405060708090a0102030405060708090a0b0c", 42 },
+        { "1111111111111111111111111111111111111111111111111111111111111111", 1000 }
+    };
+
+    BOOST_REQUIRE_EQUAL(system::sort_copy(points), expected);
+
+    system::sort(points);
+    BOOST_REQUIRE_EQUAL(points, expected);
+}
+
 BOOST_AUTO_TEST_CASE(checkpoint__is_at__empty__false)
 {
     const checkpoints points{};