Implement N3762 string_view: a non-owning reference to a string.

2013-11-16  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Implement N3762 string_view: a non-owning reference to a string.
	* include/Makefile.am: Add string_view and string_view.tcc.
	* include/Makefile.in: Regenerate.
	* include/experimental/string_view: Implement basic_string_view.
	* include/experimental/string_view.tcc: Implement basic_string_view.
	* testsuite/experimental/string_view/capacity/1.cc: New.
	* testsuite/experimental/string_view/cons/char/1.cc: New.
	* testsuite/experimental/string_view/cons/char/2.cc: New.
	* testsuite/experimental/string_view/cons/char/3.cc: New.
	* testsuite/experimental/string_view/cons/wchar_t/1.cc: New.
	* testsuite/experimental/string_view/cons/wchar_t/2.cc: New.
	* testsuite/experimental/string_view/cons/wchar_t/3.cc: New.
	* testsuite/experimental/string_view/element_access/char/1.cc: New.
	* testsuite/experimental/string_view/element_access/char/2.cc: New.
	* testsuite/experimental/string_view/element_access/char/empty.cc: New.
	* testsuite/experimental/string_view/element_access/char/front_back.cc:
	New.
	* testsuite/experimental/string_view/element_access/wchar_t/1.cc: New.
	* testsuite/experimental/string_view/element_access/wchar_t/2.cc: New.
	* testsuite/experimental/string_view/element_access/wchar_t/empty.cc:
	New.
	* testsuite/experimental/string_view/element_access/wchar_t/
	front_back.cc: New.
	* testsuite/experimental/string_view/include.cc: New.
	* testsuite/experimental/string_view/inserters/char/1.cc: New.
	* testsuite/experimental/string_view/inserters/char/2.cc: New.
	* testsuite/experimental/string_view/inserters/char/3.cc: New.
	* testsuite/experimental/string_view/inserters/pod/10081-out.cc: New.
	* testsuite/experimental/string_view/inserters/wchar_t/1.cc: New.
	* testsuite/experimental/string_view/inserters/wchar_t/2.cc: New.
	* testsuite/experimental/string_view/inserters/wchar_t/3.cc: New.
	* testsuite/experimental/string_view/literals/types.cc: New.
	* testsuite/experimental/string_view/literals/values.cc: New.
	* testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
	New.
	* testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
	1.cc: New.
	* testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
	New.
	* testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
	1.cc: New.
	* testsuite/experimental/string_view/operations/compare/char/1.cc: New.
	* testsuite/experimental/string_view/operations/compare/char/13650.cc:
	New.
	* testsuite/experimental/string_view/operations/compare/wchar_t/1.cc:
	New.
	* testsuite/experimental/string_view/operations/compare/wchar_t/
	13650.cc: New.
	* testsuite/experimental/string_view/operations/data/char/1.cc: New.
	* testsuite/experimental/string_view/operations/data/wchar_t/1.cc: New.
	* testsuite/experimental/string_view/operations/find/char/1.cc: New.
	* testsuite/experimental/string_view/operations/find/char/2.cc: New.
	* testsuite/experimental/string_view/operations/find/char/3.cc: New.
	* testsuite/experimental/string_view/operations/find/char/4.cc: New.
	* testsuite/experimental/string_view/operations/find/wchar_t/1.cc: New.
	* testsuite/experimental/string_view/operations/find/wchar_t/2.cc: New.
	* testsuite/experimental/string_view/operations/find/wchar_t/3.cc: New.
	* testsuite/experimental/string_view/operations/find/wchar_t/4.cc: New.
	* testsuite/experimental/string_view/operations/rfind/char/1.cc: New.
	* testsuite/experimental/string_view/operations/rfind/char/2.cc: New.
	* testsuite/experimental/string_view/operations/rfind/char/3.cc: New.
	* testsuite/experimental/string_view/operations/rfind/wchar_t/1.cc: New.
	* testsuite/experimental/string_view/operations/rfind/wchar_t/2.cc: New.
	* testsuite/experimental/string_view/operations/rfind/wchar_t/3.cc: New.
	* testsuite/experimental/string_view/operations/substr/char/1.cc: New.
	* testsuite/experimental/string_view/operations/substr/wchar_t/1.cc:
	New.
	* testsuite/experimental/string_view/operators/char/2.cc: New.
	* testsuite/experimental/string_view/operators/wchar_t/2.cc: New.
	* testsuite/experimental/string_view/range_access/char/1.cc: New.
	* testsuite/experimental/string_view/range_access/wchar_t/1.cc: New.
	* testsuite/experimental/string_view/requirements/
	explicit_instantiation/1.cc: New.
	* testsuite/experimental/string_view/requirements/
	explicit_instantiation/char/1.cc: New.
	* testsuite/experimental/string_view/requirements/
	explicit_instantiation/char16_t/1.cc: New.
	* testsuite/experimental/string_view/requirements/
	explicit_instantiation/char32_t/1.cc: New.
	* testsuite/experimental/string_view/requirements/
	explicit_instantiation/wchar_t/1.cc: New.
	* testsuite/experimental/string_view/requirements/typedefs.cc: New.
	* testsuite/experimental/string_view/types/1.cc: New.

From-SVN: r204902

1 files changed, 85 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/experimental/string_view/operations/substr/char/1.cc b/libstdc++-v3/testsuite/experimental/string_view/operations/substr/char/1.cc
new file mode 100644
index 00000000000..007d8b16627
--- /dev/null
+++ b/libstdc++-v3/testsuite/experimental/string_view/operations/substr/char/1.cc
@@ -0,0 +1,85 @@
+// { dg-options "-std=gnu++1y" }
+
+// Copyright (C) 2013 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// basic_string_view::substr
+
+#include <experimental/string_view>
+#include <stdexcept>
+#include <testsuite_hooks.h>
+
+bool
+test01()
+{
+  bool test [[gnu::unused]] = true;
+
+  typedef std::experimental::string_view::size_type csize_type;
+  typedef std::experimental::string_view::const_reference cref;
+  typedef std::experimental::string_view::reference ref;
+  csize_type csz01;
+
+  const char str_lit01[] = "rockaway, pacifica";
+  const std::experimental::string_view str01(str_lit01);
+  std::experimental::string_view str02;
+
+  // basic_string_view<charT, _Traits, _Alloc>
+  //  substr(size_type pos = 0, size_type n = npos) const;
+  csz01 = str01.size();
+  str02 = str01.substr(0, 1);
+  VERIFY( str02 == "r" );
+  str02 = str01.substr(10);
+  VERIFY( str02 == "pacifica" );
+
+  try
+  {
+    str02 = str01.substr(csz01 + 1);
+    VERIFY( false ); 
+  }
+  catch(std::out_of_range& fail)
+  {
+    VERIFY( true );
+  }
+  catch(...)
+  {
+    VERIFY( false );
+  }
+
+  try
+  {
+    str02 = str01.substr(csz01);
+    VERIFY( str02.size() == 0 );
+  }
+  catch(std::out_of_range& fail)
+  {
+    VERIFY( true ); // No terminating null in basic_string_view
+  }
+  catch(...)
+  {
+    VERIFY( false );
+  }
+
+  return test;
+}
+
+int
+main()
+{ 
+  test01();
+
+  return 0;
+}