From 3dbfb48946b9d2a98acef23674617510cf1b3386 Mon Sep 17 00:00:00 2001
From: Jonas Nick <jonasd.nick@gmail.com>
Date: Thu, 4 Jan 2024 15:45:11 +0000
Subject: [PATCH] tests: restore scalar_mul test

Without this commit, the res[i][1] test vectors are unused. They were introduced
to test the correctness of scalar_sqr(x) and scalar_mul(x, x). These tests were
deleted as part of removing scalar_sqr in commit
5437e7bdfbffddf69fdf7b4af7e997c78f5dafbf.
---
 src/tests.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/tests.c b/src/tests.c
index bec1c45585..32946439ff 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -2941,6 +2941,8 @@ static void run_scalar_tests(void) {
                 CHECK(!secp256k1_scalar_check_overflow(&zz));
                 CHECK(secp256k1_scalar_eq(&secp256k1_scalar_one, &zz));
             }
+            secp256k1_scalar_mul(&z, &x, &x);
+            CHECK(secp256k1_scalar_eq(&r2, &z));
         }
     }
 }