Non-const `dynamic` iterators

[folly.git] / folly / test / MemoryTest.cpp

diff --git a/folly/test/MemoryTest.cpp b/folly/test/MemoryTest.cpp
index c35e40b9d95bbd4b7f4f5991340a82cdf773ebfa..3ea0a44a0b8006013ee8ac34c9749d392e673028 100644 (file)
--- a/folly/test/MemoryTest.cpp
+++ b/folly/test/MemoryTest.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Facebook, Inc.
+ * Copyright 2017 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,9 +17,9 @@
 #include <folly/Memory.h>
 #include <folly/Arena.h>
 #include <folly/String.h>
+#include <folly/portability/GTest.h>
 
 #include <glog/logging.h>
-#include <gtest/gtest.h>
 
 #include <type_traits>
 
@@ -33,6 +33,13 @@ TEST(make_unique, compatible_with_std_make_unique) {
   make_unique<string>("hello, world");
 }
 
+TEST(to_weak_ptr, example) {
+  auto s = std::make_shared<int>(17);
+  EXPECT_EQ(1, s.use_count());
+  EXPECT_EQ(2, (to_weak_ptr(s).lock(), s.use_count())) << "lvalue";
+  EXPECT_EQ(3, (to_weak_ptr(decltype(s)(s)).lock(), s.use_count())) << "rvalue";
+}
+
 TEST(allocate_sys_buffer, compiles) {
   auto buf = allocate_sys_buffer(256);
   //  Freed at the end of the scope.