From cbae1038b9442b45156acce69debc119543c33e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludvig=20Gunne=20Lindstr=C3=B6m?=
 <ludviggunnelindstrom@gmail.com>
Date: Sat, 4 Jan 2025 15:12:21 +0100
Subject: [PATCH] add test

---
 test/testunusedfunctions.cpp | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/test/testunusedfunctions.cpp b/test/testunusedfunctions.cpp
index a132d51d958..8440f0b88cc 100644
--- a/test/testunusedfunctions.cpp
+++ b/test/testunusedfunctions.cpp
@@ -86,6 +86,8 @@ class TestUnusedFunctions : public TestFixture {
         TEST_CASE(parensInit);
         TEST_CASE(typeInCast);
         TEST_CASE(attributeCleanup);
+        TEST_CASE(attributeUnused);
+        TEST_CASE(attributeMaybeUnused);
     }
 
 #define check(...) check_(__FILE__, __LINE__, __VA_ARGS__)
@@ -794,6 +796,27 @@ class TestUnusedFunctions : public TestFixture {
               "}\n");
         ASSERT_EQUALS("", errout_str());
     }
+
+    void attributeUnused()
+    {
+        check("[[unused]] void f() {}\n");
+        ASSERT_EQUALS("", errout_str());
+
+        check("[[gnu::unused]] void f() {}\n");
+        ASSERT_EQUALS("", errout_str());
+
+        check("__attribute__((unused)) void f() {}\n");
+        ASSERT_EQUALS("", errout_str());
+    }
+
+    void attributeMaybeUnused()
+    {
+        check("[[__maybe_unused__]] void f() {}\n");
+        ASSERT_EQUALS("", errout_str());
+
+        check("[[maybe_unused]] void f() {}\n");
+        ASSERT_EQUALS("", errout_str());
+    }
 };
 
 REGISTER_TEST(TestUnusedFunctions)