From 1d29a69139b86eea21fc99c6fc3ecbf9dc000027 Mon Sep 17 00:00:00 2001
From: Pierre-Antoine Lacaze <pa.lacaze@gmail.com>
Date: Wed, 1 Sep 2021 22:16:45 +0200
Subject: [PATCH] Add a testcase demonstrating ODR violation in ranges.h

---
 test/CMakeLists.txt     |  2 +-
 test/ranges-odr-test.cc | 22 ++++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 test/ranges-odr-test.cc

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index bf3785a6..6bf68fb3 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -85,7 +85,7 @@ endif ()
 add_fmt_test(ostream-test)
 add_fmt_test(compile-test)
 add_fmt_test(printf-test)
-add_fmt_test(ranges-test)
+add_fmt_test(ranges-test ranges-odr-test.cc)
 add_fmt_test(scan-test)
 add_fmt_test(unicode-test HEADER_ONLY)
 if (MSVC)
diff --git a/test/ranges-odr-test.cc b/test/ranges-odr-test.cc
new file mode 100644
index 00000000..3ecba1b9
--- /dev/null
+++ b/test/ranges-odr-test.cc
@@ -0,0 +1,22 @@
+// Formatting library for C++ - the core API
+//
+// Copyright (c) 2012 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+//
+// Copyright (c) 2018 - present, Remotion (Igor Schulz)
+// All Rights Reserved
+// {fmt} support for ranges, containers and types tuple interface.
+
+#include "fmt/ranges.h"
+
+#include <vector>
+
+#include "gtest/gtest.h"
+
+TEST(ranges_odr_test, format_vector) {
+  auto v = std::vector<int>{1, 2, 3, 5, 7, 11};
+  EXPECT_EQ(fmt::format("{}", v), "[1, 2, 3, 5, 7, 11]");
+}
+