From 08e2dffa86915904ac1e56496bf126fb4f70387d Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Wed, 25 Jun 2014 07:50:33 -0700
Subject: [PATCH] Add macro test.

---
 CMakeLists.txt     |  5 ++++
 test/macro-test.cc | 64 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+)
 create mode 100644 test/macro-test.cc

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 472485b4..89a833e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -113,6 +113,11 @@ foreach (target format-test printf-test)
 endforeach ()
 cxx_test(util-test test-main)
 
+add_executable(macro-test test/macro-test.cc ${FMT_SOURCES} ${TEST_MAIN_SRC})
+set_target_properties(macro-test
+  PROPERTIES COMPILE_DEFINITIONS "FMT_USE_VARIADIC_TEMPLATES=0")
+target_link_libraries(macro-test gtest)
+
 if (HAVE_OPEN)
   add_executable(posix-test test/posix-test.cc ${FMT_SOURCES} ${TEST_MAIN_SRC})
   set_target_properties(posix-test
diff --git a/test/macro-test.cc b/test/macro-test.cc
new file mode 100644
index 00000000..f03d05b2
--- /dev/null
+++ b/test/macro-test.cc
@@ -0,0 +1,64 @@
+/*
+ Tests of variadic function emulation macros.
+
+ 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 <gtest/gtest.h>
+#include "format.h"
+
+#define IDENTITY(x) x
+
+TEST(UtilTest, Gen) {
+  int values[] = {FMT_GEN(9, IDENTITY)};
+  for (int i = 0; i < 9; ++i)
+    EXPECT_EQ(i + 1, values[i]);
+}
+
+int result;
+
+#define MAKE_TEST(func) \
+  void func(const char *format, const fmt::ArgList &args) { \
+    result = 0; \
+    for (std::size_t i = 0, n = args.size(); i < n; ++i) \
+      result += args[i].int_value; \
+  }
+
+MAKE_TEST(TestTemplate)
+FMT_TEMPLATE(TestTemplate, const char *, 1)
+
+TEST(UtilTest, Template) {
+  result = 0;
+  TestTemplate("", 42);
+  EXPECT_EQ(42, result);
+}
+
+MAKE_TEST(TestVariadicVoid)
+FMT_VARIADIC_VOID(TestVariadicVoid, const char *)
+
+TEST(UtilTest, VariadicVoid) {
+  result = 0;
+  TestVariadicVoid("", 10, 20, 30, 40, 50, 60, 70, 80, 90);
+  EXPECT_EQ(450, result);
+}