Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 27_io / basic_filebuf / sgetn / char / 2-out.cc

diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/2-out.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/2-out.cc
new file mode 100644 (file)
index 0000000..e24941e
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/2-out.cc
@@ -0,0 +1,76 @@
+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2009 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/>.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <fstream>
+#include <testsuite_hooks.h>
+#include <testsuite_io.h>
+
+// @require@ %-*.tst %-*.txt
+// @diff@ %-*.tst %*.txt
+
+const char name_02[] = "tmp_sgetn_2out.tst"; // empty file, need to create
+
+// Test overloaded virtual functions.
+void test05() 
+{
+  using namespace std;
+  using namespace __gnu_test;
+  typedef filebuf::int_type    int_type;
+  typedef filebuf::traits_type         traits_type;
+
+  bool test __attribute__((unused)) = true;
+
+  streamsize                   strmsz_1, strmsz_2;
+  char carray2[8192] = "";
+  int_type                     c2, c4;
+  
+  // streamsize sgetn(char_type *s, streamsize n)
+  // streamsize xsgetn(char_type *s, streamsize n)
+  // assign up to n chars to s from input sequence, indexing in_cur as
+  // approp and returning the number of chars assigned
+
+  // out
+  {
+    constraint_filebuf fb_02; 
+    fb_02.pubsetbuf(0, 0);
+    fb_02.open(name_02, ios_base::out | ios_base::trunc);
+    VERIFY( fb_02.unbuffered() );
+    VERIFY( !fb_02.read_position() );
+    strmsz_2 = fb_02.in_avail();
+    strmsz_2 = fb_02.sgetn(carray2, 10);
+    VERIFY( strmsz_2 == 0 );
+    c2 = fb_02.sgetc();
+    VERIFY( c2 == traits_type::eof() );
+    strmsz_1 = fb_02.in_avail();
+    strmsz_2 = fb_02.sgetn(carray2, strmsz_1 + 5);
+    VERIFY( strmsz_1 == -1 );
+    VERIFY( strmsz_2 == 0 );
+    c4 = fb_02.sgetc(); 
+    VERIFY( fb_02.unbuffered() );
+    VERIFY( !fb_02.read_position() );
+  }
+}
+
+int main() 
+{
+  test05();
+  return 0;
+}