vendor/libc++/libc++-release_370-r246257

1 files changed, 26 insertions, 0 deletions

diff --git a/test/std/containers/container.adaptors/queue/queue.defn/back.pass.cpp b/test/std/containers/container.adaptors/queue/queue.defn/back.pass.cpp
new file mode 100644
index 000000000000..e91edc28308e
--- /dev/null
+++ b/test/std/containers/container.adaptors/queue/queue.defn/back.pass.cpp
@@ -0,0 +1,26 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// reference back();
+
+#include <queue>
+#include <cassert>
+
+int main()
+{
+    std::queue<int> q;
+    assert(q.size() == 0);
+    q.push(1);
+    q.push(2);
+    q.push(3);
+    int& ir = q.back();
+    assert(ir == 3);
+}