[libcxx-commits] [PATCH] D99672: [libc++] NFC: Add a simple test to make sure we destroy elements in std::list

Louis Dionne via Phabricator via libcxx-commits libcxx-commits at lists.llvm.org
Thu Apr 1 10:46:39 PDT 2021


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG8f7c1b22721d: [libc++] NFC: Add a simple test to make sure we destroy elements in std::list (authored by ldionne).

Changed prior to commit:
  https://reviews.llvm.org/D99672?vs=334477&id=334763#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99672/new/

https://reviews.llvm.org/D99672

Files:
  libcxx/test/std/containers/sequences/list/list.cons/dtor.pass.cpp


Index: libcxx/test/std/containers/sequences/list/list.cons/dtor.pass.cpp
===================================================================
--- /dev/null
+++ libcxx/test/std/containers/sequences/list/list.cons/dtor.pass.cpp
@@ -0,0 +1,45 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// <list>
+
+// ~list()
+
+// no emplace_back in C++03
+// UNSUPPORTED: c++03
+
+#include <list>
+#include <cassert>
+#include <set>
+
+#include "test_macros.h"
+
+
+std::set<int> destroyed;
+
+struct Foo {
+    explicit Foo(int i) : value(i) { }
+    ~Foo() { destroyed.insert(value); }
+    int value;
+};
+
+int main(int, char**)
+{
+    {
+        std::list<Foo> list;
+        list.emplace_back(1);
+        list.emplace_back(2);
+        list.emplace_back(3);
+        assert(destroyed.empty());
+    }
+    assert(destroyed.count(1) == 1);
+    assert(destroyed.count(2) == 1);
+    assert(destroyed.count(3) == 1);
+
+    return 0;
+}


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