Vendor import of libc++ trunk r321017:vendor/libc++/libc++-trunk-r321017

https://llvm.org/svn/llvm-project/libcxx/trunk@321017

1 files changed, 62 insertions, 0 deletions

diff --git a/test/std/containers/sequences/deque/deque.capacity/size.pass.cpp b/test/std/containers/sequences/deque/deque.capacity/size.pass.cpp
new file mode 100644
index 000000000000..4974fc74d0b1
--- /dev/null
+++ b/test/std/containers/sequences/deque/deque.capacity/size.pass.cpp
@@ -0,0 +1,62 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <deque>
+
+// class deque
+
+// size_type size() const noexcept;
+
+#include <deque>
+#include <cassert>
+
+#include "test_macros.h"
+#include "min_allocator.h"
+
+int main()
+{
+    {
+    typedef std::deque<int> C;
+    C c;
+    ASSERT_NOEXCEPT(c.size());
+    assert(c.size() == 0);
+    c.push_back(C::value_type(2));
+    assert(c.size() == 1);
+    c.push_back(C::value_type(1));
+    assert(c.size() == 2);
+    c.push_back(C::value_type(3));
+    assert(c.size() == 3);
+    c.erase(c.begin());
+    assert(c.size() == 2);
+    c.erase(c.begin());
+    assert(c.size() == 1);
+    c.erase(c.begin());
+    assert(c.size() == 0);
+    }
+#if TEST_STD_VER >= 11
+    {
+    typedef std::deque<int, min_allocator<int>> C;
+    C c;
+    ASSERT_NOEXCEPT(c.size());
+    assert(c.size() == 0);
+    c.push_back(C::value_type(2));
+    assert(c.size() == 1);
+    c.push_back(C::value_type(1));
+    assert(c.size() == 2);
+    c.push_back(C::value_type(3));
+    assert(c.size() == 3);
+    c.erase(c.begin());
+    assert(c.size() == 2);
+    c.erase(c.begin());
+    assert(c.size() == 1);
+    c.erase(c.begin());
+    assert(c.size() == 0);
+    }
+#endif
+}