1 files changed, 46 insertions, 0 deletions
diff --git a/src/third_party/variant-1.3.0/test/ctor.move.cpp b/src/third_party/variant-1.3.0/test/ctor.move.cpp
new file mode 100644
index 00000000000..b542b971621
--- /dev/null
+++ b/src/third_party/variant-1.3.0/test/ctor.move.cpp
@@ -0,0 +1,46 @@
+// MPark.Variant
+//
+// Copyright Michael Park, 2015-2017
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include <mpark/variant.hpp>
+
+#include <string>
+
+#include <gtest/gtest.h>
+
+#include "util.hpp"
+
+namespace lib = mpark::lib;
+
+TEST(Ctor_Move, Value) {
+  // `v`
+  mpark::variant<int, std::string> v("hello");
+  EXPECT_EQ("hello", mpark::get<std::string>(v));
+  // `w`
+  mpark::variant<int, std::string> w(lib::move(v));
+  EXPECT_EQ("hello", mpark::get<std::string>(w));
+  // Check `v`
+  EXPECT_TRUE(mpark::get<std::string>(v).empty());
+
+  /* constexpr */ {
+    // `cv`
+    constexpr mpark::variant<int, const char *> cv(42);
+    static_assert(42 == mpark::get<int>(cv), "");
+    // `cw`
+    constexpr mpark::variant<int, const char *> cw(lib::move(cv));
+    static_assert(42 == mpark::get<int>(cw), "");
+  }
+}
+
+#ifdef MPARK_EXCEPTIONS
+TEST(Ctor_Move, ValuelessByException) {
+  mpark::variant<int, move_thrower_t> v(42);
+  EXPECT_THROW(v = move_thrower_t{}, MoveConstruction);
+  EXPECT_TRUE(v.valueless_by_exception());
+  mpark::variant<int, move_thrower_t> w(lib::move(v));
+  EXPECT_TRUE(w.valueless_by_exception());
+}
+#endif