Implement std::shared_ptr.

RTC: 124148
Change-Id: Iad6430ec701caec0d3c65de3618cc8d5605e6aa0
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/21800
Tested-by: Jenkins Server
Reviewed-by: STEPHEN M. CPREK <smcprek@us.ibm.com>
Reviewed-by: Brian Silver <bsilver@us.ibm.com>
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>

1 files changed, 89 insertions, 0 deletions

diff --git a/src/usr/testcore/lib/shared_ptr.H b/src/usr/testcore/lib/shared_ptr.H
new file mode 100644
index 000000000..0df164dff
--- /dev/null
+++ b/src/usr/testcore/lib/shared_ptr.H
@@ -0,0 +1,89 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/testcore/lib/shared_ptr.H $                           */
+/*                                                                        */
+/* OpenPOWER HostBoot Project                                             */
+/*                                                                        */
+/* Contributors Listed Below - COPYRIGHT 2015                             */
+/* [+] International Business Machines Corp.                              */
+/*                                                                        */
+/*                                                                        */
+/* Licensed under the Apache License, Version 2.0 (the "License");        */
+/* you may not use this file except in compliance with the License.       */
+/* You may obtain a copy of the License at                                */
+/*                                                                        */
+/*     http://www.apache.org/licenses/LICENSE-2.0                         */
+/*                                                                        */
+/* Unless required by applicable law or agreed to in writing, software    */
+/* distributed under the License is distributed on an "AS IS" BASIS,      */
+/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or        */
+/* implied. See the License for the specific language governing           */
+/* permissions and limitations under the License.                         */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+#ifndef __LIB_SHARED_PTR_H
+#define __LIB_SHARED_PTR_H
+
+#include <cxxtest/TestSuite.H>
+#include <memory>
+
+struct __STLSharedPtrTester
+{
+    __STLSharedPtrTester(int, int) {};
+    __STLSharedPtrTester(int&) {};
+    __STLSharedPtrTester(const __STLSharedPtrTester&) {}
+};
+
+struct __STLSharedPtrTester2 : __STLSharedPtrTester
+{
+    using __STLSharedPtrTester::__STLSharedPtrTester;
+};
+
+class STLSharedPtrTest : public CxxTest::TestSuite
+{
+    public:
+        void testSharedPtr()
+        {
+            using namespace std;
+            typedef __STLSharedPtrTester T1;
+            typedef __STLSharedPtrTester2 T2;
+
+            auto p0 = make_shared<T1>(1,2);
+            if (!p0.unique())
+            {
+                TS_FAIL("p0 is not unique.");
+            }
+
+            int a = 10;
+            auto p1 = make_shared<T1>(a);
+            auto p2 = make_shared<T1>(*p1);
+            auto p3 = make_shared<T2>(3,4);
+            if (!p3.unique())
+            {
+                TS_FAIL("p3 is not unique.");
+            }
+
+            shared_ptr<T1> p4 = static_pointer_cast<T1>(p3);
+            if (p3.use_count() != 2)
+            {
+                TS_FAIL("p3 is not shared now.");
+            }
+            if (p4.use_count() != 2)
+            {
+                TS_FAIL("p4 is not shared now.");
+            }
+
+            p3.reset();
+            if (p3)
+            {
+                TS_FAIL("p3 is not NULL after reset.");
+            }
+            if (!p4.unique())
+            {
+                TS_FAIL("p4 is not unique after p3.reset.");
+            }
+        }
+};
+
+#endif