[libcxx] Recover no-exceptions XFAILs - I

First batch of changes to get some of these XFAILs working in the
no-exceptions libc++ variant.

Changed some XFAILs to UNSUPPORTED where the test is all about exception
handling. In other cases, used the test macros TEST_THROW and
TEST_HAS_NO_EXCEPTIONS to conditionally exclude those parts of the test
that concerns exception handling behaviour.

Reviewers: EricWF, mclow.lists

Differential revision: https://reviews.llvm.org/D24562

llvm-svn: 283441

1 files changed, 4 insertions, 1 deletions

diff --git a/libcxx/test/std/thread/futures/futures.task/futures.task.members/get_future.pass.cpp b/libcxx/test/std/thread/futures/futures.task/futures.task.members/get_future.pass.cpp
index c8e5d6efd6b..8f51dccd8d3 100644
--- a/libcxx/test/std/thread/futures/futures.task/futures.task.members/get_future.pass.cpp
+++ b/libcxx/test/std/thread/futures/futures.task/futures.task.members/get_future.pass.cpp
@@ -7,7 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// XFAIL: libcpp-no-exceptions
 // UNSUPPORTED: libcpp-has-no-threads
 // UNSUPPORTED: c++98, c++03
 
@@ -20,6 +19,8 @@
 #include <future>
 #include <cassert>
 
+#include "test_macros.h"
+
 class A
 {
     long data_;
@@ -38,6 +39,7 @@ int main()
         p(3, 'a');
         assert(f.get() == 105.0);
     }
+#ifndef TEST_HAS_NO_EXCEPTIONS
     {
         std::packaged_task<double(int, char)> p(A(5));
         std::future<double> f = p.get_future();
@@ -63,4 +65,5 @@ int main()
             assert(e.code() ==  make_error_code(std::future_errc::no_state));
         }
     }
+#endif
 }