[debuginfo-tests] r339961 - Add a basic integration test for C++ smart pointers

[Vedant Kumar via llvm-commits]

Author: vedantk
Date: Thu Aug 16 16:05:15 2018
New Revision: 339961

URL: http://llvm.org/viewvc/llvm-project?rev=339961&view=rev
Log:
Add a basic integration test for C++ smart pointers

Check that the debugger can pretty-print unique_ptr and shared_ptr when
passed as a function argument.

rdar://42314305

Added:
    debuginfo-tests/trunk/smart-ptr-1.cpp

Added: debuginfo-tests/trunk/smart-ptr-1.cpp
URL: http://llvm.org/viewvc/llvm-project/debuginfo-tests/trunk/smart-ptr-1.cpp?rev=339961&view=auto
==============================================================================
--- debuginfo-tests/trunk/smart-ptr-1.cpp (added)
+++ debuginfo-tests/trunk/smart-ptr-1.cpp Thu Aug 16 16:05:15 2018
@@ -0,0 +1,41 @@
+// RUN: %clangxx -std=c++14 %target_itanium_abi_host_triple -g %s -o %t.O0.out
+// RUN: %test_debuginfo %s %t.O0.out
+
+#include <memory>
+
+static volatile int sink;
+
+static void use_shared_ptr(std::shared_ptr<int> ptr) {
+  // DEBUGGER: break 10
+  sink = *ptr;
+}
+
+static void use_unique_ptr(std::unique_ptr<int> ptr) {
+  // DEBUGGER: break 15
+  sink = *ptr;
+}
+
+int main() {
+  auto sp_1 = std::make_shared<int>(1234);
+  use_shared_ptr(sp_1);
+
+  auto up_1 = std::make_unique<int>(5678);
+  use_unique_ptr(std::move(up_1));
+
+  return 0;
+}
+
+// DEBUGGER: r
+
+// (at line 10)
+// DEBUGGER: p ptr
+// CHECK: shared_ptr<int>
+// CHECK-SAME: 1234
+
+// DEBUGGER: c
+
+// (at line 16)
+// DEBUGGER: p ptr
+// CHECK: unique_ptr<int>
+// TODO: lldb's unique_ptr data formatter doesn't pretty-print its wrapped
+// object.