cmake: build as many source files as possible

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

diff --git a/folly/test/TraitsTest.cpp b/folly/test/TraitsTest.cpp
index bfb3f7a73dcd3c634c1516d595c93a5b68607c33..4bc38d5d7318107507b66192251405536bdf09ea 100644 (file)
--- a/folly/test/TraitsTest.cpp
+++ b/folly/test/TraitsTest.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Facebook, Inc.
+ * Copyright 2012-present Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -265,3 +265,49 @@ TEST(Traits, type_t) {
       (::std::is_constructible<::container<std::string>, some_tag, float>::
            value));
 }
+
+TEST(Traits, remove_cvref) {
+  using folly::remove_cvref;
+  using folly::remove_cvref_t;
+
+  // test all possible c-ref qualifiers without volatile
+  EXPECT_TRUE((std::is_same<remove_cvref_t<int>, int>::value));
+  EXPECT_TRUE((std::is_same<remove_cvref<int>::type, int>::value));
+
+  EXPECT_TRUE((std::is_same<remove_cvref_t<int&&>, int>::value));
+  EXPECT_TRUE((std::is_same<remove_cvref<int&&>::type, int>::value));
+
+  EXPECT_TRUE((std::is_same<remove_cvref_t<int&>, int>::value));
+  EXPECT_TRUE((std::is_same<remove_cvref<int&>::type, int>::value));
+
+  EXPECT_TRUE((std::is_same<remove_cvref_t<int const>, int>::value));
+  EXPECT_TRUE((std::is_same<remove_cvref<int const>::type, int>::value));
+
+  EXPECT_TRUE((std::is_same<remove_cvref_t<int const&>, int>::value));
+  EXPECT_TRUE((std::is_same<remove_cvref<int const&>::type, int>::value));
+
+  EXPECT_TRUE((std::is_same<remove_cvref_t<int const&&>, int>::value));
+  EXPECT_TRUE((std::is_same<remove_cvref<int const&&>::type, int>::value));
+
+  // test all possible c-ref qualifiers with volatile
+  EXPECT_TRUE((std::is_same<remove_cvref_t<int volatile>, int>::value));
+  EXPECT_TRUE((std::is_same<remove_cvref<int volatile>::type, int>::value));
+
+  EXPECT_TRUE((std::is_same<remove_cvref_t<int volatile&&>, int>::value));
+  EXPECT_TRUE((std::is_same<remove_cvref<int volatile&&>::type, int>::value));
+
+  EXPECT_TRUE((std::is_same<remove_cvref_t<int volatile&>, int>::value));
+  EXPECT_TRUE((std::is_same<remove_cvref<int volatile&>::type, int>::value));
+
+  EXPECT_TRUE((std::is_same<remove_cvref_t<int volatile const>, int>::value));
+  EXPECT_TRUE(
+      (std::is_same<remove_cvref<int volatile const>::type, int>::value));
+
+  EXPECT_TRUE((std::is_same<remove_cvref_t<int volatile const&>, int>::value));
+  EXPECT_TRUE(
+      (std::is_same<remove_cvref<int volatile const&>::type, int>::value));
+
+  EXPECT_TRUE((std::is_same<remove_cvref_t<int volatile const&&>, int>::value));
+  EXPECT_TRUE(
+      (std::is_same<remove_cvref<int volatile const&&>::type, int>::value));
+}