Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 27_io / basic_ostream / inserters_other / char / 4.cc

diff --git a/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_other/char/4.cc b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_other/char/4.cc
new file mode 100644 (file)
index 0000000..dcbd629
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_other/char/4.cc
@@ -0,0 +1,152 @@
+// 1999-08-16 bkoz
+// 1999-11-01 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+// 2008, 2009 Free Software Foundation
+//
+// 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/>.
+
+// 27.6.2.5.4 basic_ostream character inserters
+
+#include <ostream>
+#include <sstream>
+#include <cstdio>
+#include <testsuite_hooks.h>
+
+class test_buffer_1 : public std::streambuf 
+{
+public:
+  test_buffer_1(const std::string& s) : str(s), it(str.begin()) { }
+  
+protected:
+  virtual int underflow() { return (it != str.end() ? *it : EOF); }
+  virtual int uflow() { return (it != str.end() ? *it++ : EOF); }
+
+private:
+  const std::string str;
+  std::string::const_iterator it;
+};
+
+
+class test_buffer_2 : public std::streambuf 
+{
+public:
+  test_buffer_2(const std::string& s) : str(s), it(str.begin()) { }
+  
+protected:
+  virtual int underflow() { return (it != str.end() ? *it : EOF); }
+  virtual int uflow() { return (it != str.end() ? *it++ : EOF); }
+  virtual std::streamsize showmanyc() { return std::distance(it, str.end()); }
+private:
+  const std::string str;
+  std::string::const_iterator it;
+};
+
+
+class test_buffer_3 : public std::streambuf 
+{
+public:
+  test_buffer_3(const std::string& s) : str(s), it(str.begin()) { }
+
+protected:
+  virtual int underflow() { return (it != str.end() ? *it : EOF); }
+  virtual int uflow() { return (it != str.end() ? *it++ : EOF); }
+  virtual std::streamsize showmanyc() 
+  {
+    std::streamsize ret = std::distance(it, str.end());
+    return ret > 0 ? ret : -1;
+  }
+private:
+  const std::string str;
+  std::string::const_iterator it;
+};
+
+class test_buffer_4 : public std::streambuf {
+public:
+  test_buffer_4(const std::string& s) : str(s), it(str.begin())
+  {
+    if (it != str.end()) {
+      buf[0] = *it++;
+      setg(buf, buf, buf+1);
+    }
+  }
+
+protected:
+  virtual int underflow() { return (it != str.end() ? *it : EOF); }
+  virtual int uflow() { return (it != str.end() ? *it++ : EOF); }
+  virtual std::streamsize showmanyc() {
+    std::streamsize ret = std::distance(it, str.end());
+    return ret > 0 ? ret : -1;
+  }
+private:
+  const std::string str;
+  std::string::const_iterator it;
+  char buf[1];
+};
+
+void test(const std::string& str, std::streambuf& buf)
+{
+  bool test __attribute__((unused)) = true;
+
+  std::ostringstream out;
+  std::istream in(&buf);
+
+  out << in.rdbuf();
+
+  if (out.str() != str) 
+    VERIFY( false );
+}
+
+// libstdc++/6745
+// libstdc++/8071
+// libstdc++/8127
+// Jonathan Lennox  <lennox@cs.columbia.edu>
+void test05()
+{
+  std::string string_a("Hello, world!");
+  std::string string_b("");
+
+  test_buffer_1 buf1a(string_a);
+  test_buffer_1 buf1b(string_b);
+
+  test_buffer_2 buf2a(string_a);
+  test_buffer_2 buf2b(string_b);
+
+  test_buffer_3 buf3a(string_a);
+  test_buffer_3 buf3b(string_b);
+
+  test_buffer_4 buf4a(string_a);
+  test_buffer_4 buf4b(string_b);
+
+  test(string_a, buf1a);
+  test(string_b, buf1b);
+
+  test(string_a, buf2a);
+  test(string_b, buf2b);
+
+  test(string_a, buf3a);
+  test(string_b, buf3b);
+
+  test(string_a, buf4a);
+  test(string_b, buf4b);
+}
+
+int 
+main()
+{
+  test05();
+  return 0;
+}