From d4916d92716ec2c2e1275677f246e8b750e7c925 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Fri, 5 Sep 2014 07:35:00 -0700
Subject: [PATCH] Add missing file.

---
 test/format-impl-test.cc | 47 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 test/format-impl-test.cc

diff --git a/test/format-impl-test.cc b/test/format-impl-test.cc
new file mode 100644
index 00000000..6fc4a330
--- /dev/null
+++ b/test/format-impl-test.cc
@@ -0,0 +1,47 @@
+/*
+ Formatting library implementation tests.
+
+ Copyright (c) 2012-2014, Victor Zverovich
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice, this
+    list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+    this list of conditions and the following disclaimer in the documentation
+    and/or other materials provided with the distribution.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// Include format.cc instead of format.h to test implementation-specific stuff.
+#include "format.cc"
+#include "gtest-extra.h"
+
+TEST(FormatTest, ArgConverter) {
+  using fmt::internal::Arg;
+  Arg arg = Arg();
+  arg.type = Arg::LONG_LONG;
+  arg.long_long_value = std::numeric_limits<fmt::LongLong>::max();
+  ArgConverter<fmt::LongLong>(arg, 'd').visit(arg);
+  EXPECT_EQ(Arg::LONG_LONG, arg.type);
+}
+
+TEST(FormatterTest, FormatNegativeNaN) {
+  double nan = std::numeric_limits<double>::quiet_NaN();
+  if (getsign(-nan))
+    EXPECT_EQ("-nan", fmt::format("{}", -nan));
+  else
+    fmt::print("Warning: compiler doesn't handle negative NaN correctly");
+}