re PR libstdc++/9533 (Can't read from tty with ifstream)

2003-04-12  Paolo Carlini  <pcarlini@unitus.it>

	PR libstdc++/9533
	* testsuite/27_io/basic_filebuf/showmanyc/char/9533-1.cc: New.
	* testsuite/27_io/basic_filebuf/showmanyc/char/9533-2.cc: Ditto.

From-SVN: r65507

3 files changed, 162 insertions, 0 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index ff6af69..03b3077 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2003-04-12  Paolo Carlini  <pcarlini@unitus.it>
+
+	PR libstdc++/9533
+	* testsuite/27_io/basic_filebuf/showmanyc/char/9533-1.cc: New.
+	* testsuite/27_io/basic_filebuf/showmanyc/char/9533-2.cc: Ditto.
+
 2003-04-11  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* testsuite/22_locale/locale/cons/3.cc: Split.
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/showmanyc/char/9533-1.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/showmanyc/char/9533-1.cc
new file mode 100644
index 0000000..4c4bcdd
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/showmanyc/char/9533-1.cc
@@ -0,0 +1,93 @@
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <unistd.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fstream>
+#include <testsuite_hooks.h>
+
+// libstdc++/9533
+void test_01()
+{
+  using namespace std;
+  bool test = true;
+  const char* name = "tmp_fifo1";
+
+  const int count = 10000;
+
+  signal(SIGPIPE, SIG_IGN);
+  unlink(name);
+  
+  if (0 != mkfifo(name, S_IRWXU))
+    {
+      VERIFY( false );
+    }
+  
+  int fval = fork();
+  if (fval == -1)
+    {
+      unlink(name);
+      VERIFY( false );
+    }
+  else if (fval == 0)
+    {
+      filebuf ofbuf;
+      ofbuf.open(name, ios_base::out);
+      VERIFY( ofbuf.is_open() );
+      sleep(1);
+
+      for (int i = 0; i < count; ++i)
+	ofbuf.sputc(i % 100);
+
+      ofbuf.pubsync();
+      sleep(1);
+      ofbuf.close();
+      exit(0);
+    }
+
+  filebuf ifbuf;
+  ifbuf.open(name, ios_base::in);
+  VERIFY( ifbuf.is_open() );
+
+  for (int j = 0; j < count; ++j)
+    {
+      filebuf::int_type c1 = ifbuf.sbumpc();
+      VERIFY( c1 == j % 100 );
+    }
+
+  filebuf::int_type c6 = ifbuf.sbumpc();
+  VERIFY( c6 == filebuf::traits_type::eof() );
+
+  sleep(2);
+  ifbuf.close();
+
+  unlink(name);
+}
+
+int
+main() 
+{
+  test_01();
+  return 0;
+}
+
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/showmanyc/char/9533-2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/showmanyc/char/9533-2.cc
new file mode 100644
index 0000000..fb12e42
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/showmanyc/char/9533-2.cc
@@ -0,0 +1,63 @@
+// Copyright (C) 2003 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 2, 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 COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <fstream>
+#include <testsuite_hooks.h>
+
+// libstdc++/9533
+void test_02()
+{
+  using namespace std;
+  bool test = true;  
+  const char* name = "tmp_file1";
+
+  const char* strlit = "0123456789";
+  
+  filebuf fbout;
+  fbout.open(name, ios_base::out | ios_base::trunc);
+	
+  int written = 0;
+  for (int i = 0; i < BUFSIZ; ++i)
+    written += fbout.sputn(strlit, 10);
+
+  fbout.close();
+  
+  ifstream in(name);
+  int sum = 0;
+  bool gotsome;
+
+  do
+    {
+      char buf[100];
+      int n = in.readsome(buf, sizeof(buf));
+      gotsome = (n > 0);
+      sum += n;
+    }
+  while (gotsome);
+
+  VERIFY( sum == written );
+}
+
+int
+main()
+{
+  test_02();
+  return 0;
+}