From 50584f42b427f247f0d1d1103f284d1dbde09817 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Wed, 18 Jul 2018 16:24:46 -0700
Subject: [PATCH] Test formatting of an object with templated conversion to
 string-like

---
 test/format-test.cc | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/test/format-test.cc b/test/format-test.cc
index 2b3ac5fa..2b720876 100644
--- a/test/format-test.cc
+++ b/test/format-test.cc
@@ -1102,6 +1102,18 @@ struct explicitly_convertible_to_string_view {
 TEST(FormatterTest, FormatExplicitlyConvertibleToStringView) {
   EXPECT_EQ("foo", format("{}", explicitly_convertible_to_string_view()));
 }
+
+struct explicitly_convertible_to_string_like {
+  template <
+      typename String,
+      typename = typename std::enable_if<
+        std::is_constructible<String, const char*, std::size_t>::value>::type>
+  explicit operator String() const { return String("foo", 3u); }
+};
+
+TEST(FormatterTest, FormatExplicitlyConvertibleToStringLike) {
+  EXPECT_EQ("foo", format("{}", explicitly_convertible_to_string_like()));
+}
 #endif
 
 FMT_BEGIN_NAMESPACE