libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/language.support/support.exception/propagation/current_exception.pass.cpp b/test/language.support/support.exception/propagation/current_exception.pass.cpp
new file mode 100644
index 0000000..95ba458
--- /dev/null
+++ b/test/language.support/support.exception/propagation/current_exception.pass.cpp
@@ -0,0 +1,269 @@
+//===----------------------------------------------------------------------===//
+//
+// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <exception>
+
+// exception_ptr current_exception();
+
+#include <exception>
+#include <cassert>
+
+struct A
+{
+ static int constructed;
+
+ A() {++constructed;}
+ ~A() {--constructed;}
+ A(const A&) {++constructed;}
+};
+
+int A::constructed = 0;
+
+int main()
+{
+ {
+ std::exception_ptr p = std::current_exception();
+ assert(p == nullptr);
+ }
+ {
+ try
+ {
+ assert(A::constructed == 0);
+ throw A();
+ assert(false);
+ }
+ catch (...)
+ {
+ assert(A::constructed == 1);
+ }
+ assert(A::constructed == 0);
+ }
+ assert(A::constructed == 0);
+ {
+ std::exception_ptr p2;
+ try
+ {
+ assert(A::constructed == 0);
+ throw A();
+ assert(false);
+ }
+ catch (...)
+ {
+ std::exception_ptr p = std::current_exception();
+ assert(A::constructed == 1);
+ assert(p != nullptr);
+ p2 = std::current_exception();
+ assert(A::constructed == 1);
+ assert(p == p2);
+ }
+ assert(A::constructed == 1);
+ }
+ assert(A::constructed == 0);
+ {
+ std::exception_ptr p2;
+ try
+ {
+ assert(A::constructed == 0);
+ throw A();
+ assert(false);
+ }
+ catch (A& a)
+ {
+ std::exception_ptr p = std::current_exception();
+ assert(A::constructed == 1);
+ assert(p != nullptr);
+ p2 = std::current_exception();
+ assert(A::constructed == 1);
+ assert(p == p2);
+ }
+ assert(A::constructed == 1);
+ }
+ assert(A::constructed == 0);
+ {
+ std::exception_ptr p2;
+ try
+ {
+ assert(A::constructed == 0);
+ throw A();
+ assert(false);
+ }
+ catch (A a)
+ {
+ std::exception_ptr p = std::current_exception();
+ assert(A::constructed == 2);
+ assert(p != nullptr);
+ p2 = std::current_exception();
+ assert(A::constructed == 2);
+ assert(p == p2);
+ }
+ assert(A::constructed == 1);
+ }
+ assert(A::constructed == 0);
+ {
+ try
+ {
+ assert(A::constructed == 0);
+ throw A();
+ assert(false);
+ }
+ catch (...)
+ {
+ assert(A::constructed == 1);
+ try
+ {
+ assert(A::constructed == 1);
+ throw;
+ assert(false);
+ }
+ catch (...)
+ {
+ assert(A::constructed == 1);
+ }
+ assert(A::constructed == 1);
+ }
+ assert(A::constructed == 0);
+ }
+ assert(A::constructed == 0);
+ {
+ try
+ {
+ assert(A::constructed == 0);
+ throw A();
+ assert(false);
+ }
+ catch (...)
+ {
+ assert(A::constructed == 1);
+ try
+ {
+ std::exception_ptr p = std::current_exception();
+ assert(A::constructed == 1);
+ assert(p != nullptr);
+ throw;
+ assert(false);
+ }
+ catch (...)
+ {
+ assert(A::constructed == 1);
+ }
+ assert(A::constructed == 1);
+ }
+ assert(A::constructed == 0);
+ }
+ assert(A::constructed == 0);
+ {
+ try
+ {
+ assert(A::constructed == 0);
+ throw A();
+ assert(false);
+ }
+ catch (...)
+ {
+ assert(A::constructed == 1);
+ try
+ {
+ assert(A::constructed == 1);
+ throw;
+ assert(false);
+ }
+ catch (...)
+ {
+ std::exception_ptr p = std::current_exception();
+ assert(A::constructed == 1);
+ assert(p != nullptr);
+ }
+ assert(A::constructed == 1);
+ }
+ assert(A::constructed == 0);
+ }
+ assert(A::constructed == 0);
+ {
+ try
+ {
+ assert(A::constructed == 0);
+ throw A();
+ assert(false);
+ }
+ catch (...)
+ {
+ assert(A::constructed == 1);
+ try
+ {
+ assert(A::constructed == 1);
+ throw;
+ assert(false);
+ }
+ catch (...)
+ {
+ assert(A::constructed == 1);
+ }
+ std::exception_ptr p = std::current_exception();
+ assert(A::constructed == 1);
+ assert(p != nullptr);
+ }
+ assert(A::constructed == 0);
+ }
+ assert(A::constructed == 0);
+ {
+ try
+ {
+ assert(A::constructed == 0);
+ throw A();
+ assert(false);
+ }
+ catch (...)
+ {
+ assert(A::constructed == 1);
+ try
+ {
+ assert(A::constructed == 1);
+ throw;
+ assert(false);
+ }
+ catch (...)
+ {
+ assert(A::constructed == 1);
+ }
+ assert(A::constructed == 1);
+ }
+ std::exception_ptr p = std::current_exception();
+ assert(A::constructed == 0);
+ assert(p == nullptr);
+ }
+ assert(A::constructed == 0);
+ {
+ std::exception_ptr p;
+ try
+ {
+ assert(A::constructed == 0);
+ throw A();
+ assert(false);
+ }
+ catch (...)
+ {
+ assert(A::constructed == 1);
+ try
+ {
+ assert(A::constructed == 1);
+ throw;
+ assert(false);
+ }
+ catch (...)
+ {
+ p = std::current_exception();
+ assert(A::constructed == 1);
+ }
+ assert(A::constructed == 1);
+ }
+ assert(A::constructed == 1);
+ assert(p != nullptr);
+ }
+ assert(A::constructed == 0);
+}