From ce8cd296fdd87fd2c6695d88962aab039fe6af8d Mon Sep 17 00:00:00 2001
From: Stephane Del Pino <stephane.delpino44@gmail.com>
Date: Tue, 24 Oct 2023 09:07:11 +0200
Subject: [PATCH] Fix "cannot open file" test (finally)

---
 tests/test_OFStream.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tests/test_OFStream.cpp b/tests/test_OFStream.cpp
index 6ca7d98df..2ea0615c8 100644
--- a/tests/test_OFStream.cpp
+++ b/tests/test_OFStream.cpp
@@ -48,4 +48,11 @@ TEST_CASE("OFStream", "[language]")
 
     REQUIRE(not std::filesystem::exists(filename));
   }
+
+  SECTION("bad filename")
+  {
+    if (parallel::rank() == 0) {
+      REQUIRE_THROWS_WITH(OFStream{"/"}, "error: cannot create file /");
+    }
+  }
 }
-- 
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