Initial commit

module/jni/libcxx/test/std/strings/basic.string/string.require/contiguous.pass.cpp

@@ -0,0 +1,64 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+// <array>
+
+// An string is a contiguous container
+
+#include <string>
+#include <cassert>
+
+#include "test_macros.h"
+#include "test_allocator.h"
+#include "min_allocator.h"
+
+
+template <class C>
+TEST_CONSTEXPR_CXX20 void test_contiguous ( const C &c )
+{
+    for ( size_t i = 0; i < c.size(); ++i )
+        assert ( *(c.begin() + static_cast<typename C::difference_type>(i)) == *(std::addressof(*c.begin()) + i));
+}
+
+TEST_CONSTEXPR_CXX20 bool test() {
+  {
+    typedef std::string S;
+    test_contiguous(S());
+    test_contiguous(S("1"));
+    test_contiguous(S("1234567890123456789012345678901234567890123456789012345678901234567890"));
+  }
+
+  {
+    typedef test_allocator<char> A;
+    typedef std::basic_string<char, std::char_traits<char>, A> S;
+    test_contiguous(S(A(3)));
+    test_contiguous(S("1", A(5)));
+    test_contiguous(S("1234567890123456789012345678901234567890123456789012345678901234567890", A(7)));
+  }
+#if TEST_STD_VER >= 11
+  {
+    typedef min_allocator<char> A;
+    typedef std::basic_string<char, std::char_traits<char>, A> S;
+    test_contiguous(S(A{}));
+    test_contiguous(S("1", A()));
+    test_contiguous(S("1234567890123456789012345678901234567890123456789012345678901234567890", A()));
+  }
+#endif
+
+  return true;
+}
+
+int main(int, char**)
+{
+  test();
+#if TEST_STD_VER > 17
+  static_assert(test());
+#endif
+
+  return 0;
+}