From 5974775783aaa2129106f475aed1e150eec07803 Mon Sep 17 00:00:00 2001
From: Alexander Hans <ahans@users.noreply.github.com>
Date: Fri, 15 Mar 2024 13:21:27 +0100
Subject: [PATCH] fix(parallel-letter-frequency): add another missing assertion

---
 .../parallel-letter-frequency/parallel_letter_frequency_test.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/exercises/practice/parallel-letter-frequency/parallel_letter_frequency_test.cpp b/exercises/practice/parallel-letter-frequency/parallel_letter_frequency_test.cpp
index b5a0bb68..54b4c35d 100644
--- a/exercises/practice/parallel-letter-frequency/parallel_letter_frequency_test.cpp
+++ b/exercises/practice/parallel-letter-frequency/parallel_letter_frequency_test.cpp
@@ -16,6 +16,7 @@ TEST_CASE("no texts",
           "[calculateFrequencies][c054d642-c1fa-4234-8007-9339f2337886]") {
     std::vector<std::string_view> const texts = {};
     auto freqs = parallel_letter_frequency::frequency(texts);
+    CHECK(freqs.empty());
 }
 
 #if defined(EXERCISM_RUN_ALL_TESTS)