Author: marshall
Date: Thu May 24 19:22:54 2018
New Revision: 333252
URL: http://llvm.org/viewvc/llvm-project?rev=333252&view=rev
Log:
Add one more test for optional
Modified:
libcxx/trunk/test/std/utilities/optional/optional.object/optional.object.ctor/deduct.pass.cpp
Modified:
libcxx/trunk/test/std/utilities/optional/optional.object/optional.object.ctor/deduct.pass.cpp
URL:
http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/utilities/optional/optional.object/optional.object.ctor/deduct.pass.cpp?rev=333252&r1=333251&r2=333252&view=diff
==============================================================================
---
libcxx/trunk/test/std/utilities/optional/optional.object/optional.object.ctor/deduct.pass.cpp
(original)
+++
libcxx/trunk/test/std/utilities/optional/optional.object/optional.object.ctor/deduct.pass.cpp
Thu May 24 19:22:54 2018
@@ -25,20 +25,29 @@ int main()
{
// Test the explicit deduction guides
{
-// optional(T)
+// optional(T)
std::optional opt(5);
static_assert(std::is_same_v<decltype(opt), std::optional<int>>, "");
- assert(static_cast<bool>(opt));
- assert(*opt == 5);
+ assert(static_cast<bool>(opt));
+ assert(*opt == 5);
}
{
-// optional(T)
+// optional(T)
std::optional opt(A{});
static_assert(std::is_same_v<decltype(opt), std::optional<A>>, "");
- assert(static_cast<bool>(opt));
+ assert(static_cast<bool>(opt));
}
// Test the implicit deduction guides
+ {
+// optional(const optional &);
+ std::optional<char> source('A');
+ std::optional opt(source);
+ static_assert(std::is_same_v<decltype(opt), std::optional<char>>, "");
+ assert(static_cast<bool>(opt) == static_cast<bool>(source));
+ assert(*opt == *source);
+ }
+
}
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