libcxx initial import

llvm-svn: 103490

1 files changed, 57 insertions, 0 deletions

diff --git a/libcxx/test/language.support/support.exception/propagation/rethrow_exception.pass.cpp b/libcxx/test/language.support/support.exception/propagation/rethrow_exception.pass.cpp
new file mode 100644
index 00000000000..6cb19f709fa
--- /dev/null
+++ b/libcxx/test/language.support/support.exception/propagation/rethrow_exception.pass.cpp
@@ -0,0 +1,57 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <exception>
+
+// void rethrow_exception [[noreturn]] (exception_ptr p);
+
+#include <exception>
+#include <cassert>
+
+struct A
+{
+    static int constructed;
+    int data_;
+
+    A(int data = 0) : data_(data) {++constructed;}
+    ~A() {--constructed;}
+    A(const A& a) : data_(a.data_) {++constructed;}
+};
+
+int A::constructed = 0;
+
+int main()
+{
+    {
+        std::exception_ptr p;
+        try
+        {
+            throw A(3);
+        }
+        catch (...)
+        {
+            p = std::current_exception();
+        }
+        try
+        {
+            std::rethrow_exception(p);
+            assert(false);
+        }
+        catch (const A& a)
+        {
+            assert(A::constructed == 1);
+            assert(p != nullptr);
+            p = nullptr;
+            assert(p == nullptr);
+            assert(a.data_ == 3);
+            assert(A::constructed == 1);
+        }
+        assert(A::constructed == 0);
+    }
+}