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extern/stdcxx/4.2.1/tests/regress/27.basic.ios.copyfmt.stdcxx-766.cpp

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+/**************************************************************************
+ *
+ * 27.basic.ios.copyfmt.stdcxx-766.cpp - regression test for STDCXX-766
+ *
+ * http://issues.apache.org/jira/browse/STDCXX-766
+ *
+ * $Id: 27.basic.ios.copyfmt.stdcxx-766.cpp 648752 2008-04-16 17:01:56Z faridz $
+ *
+ **************************************************************************
+ *
+ * Licensed to the Apache Software  Foundation (ASF) under one or more
+ * contributor  license agreements.  See  the NOTICE  file distributed
+ * with  this  work  for  additional information  regarding  copyright
+ * ownership.   The ASF  licenses this  file to  you under  the Apache
+ * License, Version  2.0 (the  "License"); you may  not use  this file
+ * except in  compliance with the License.   You may obtain  a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the  License is distributed on an  "AS IS" BASIS,
+ * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
+ * implied.   See  the License  for  the  specific language  governing
+ * permissions and limitations under the License.
+ *
+ **************************************************************************/
+
+#include <cassert>
+#include <ios>
+#include <iosfwd>
+#include <locale>
+#include <ostream>
+
+
+int main ()
+{
+    struct: std::streambuf { } xsb, ysb;
+    std::ostream xstrm (0);
+    std::ostream ystrm (0);
+
+    std::ios x (&xsb);
+    std::ios y (&ysb);
+
+    x.tie (&xstrm);
+
+    const std::ios::iostate     x_rdstate = x.rdstate ();
+    const std::streambuf* const x_rdbuf   = x.rdbuf ();
+
+    const std::locale loc =
+        std::locale (std::locale::classic (), new std::numpunct<char>());
+
+    // set up y to be different from x
+    y.tie (&ystrm);
+    y.exceptions (y.eofbit);
+    y.setf (y.boolalpha);
+    y.precision (x.precision () + 1);
+    y.width (x.width () + 1);
+    y.fill (x.fill () + 1);
+    y.imbue (loc);
+
+    // verify test preconditions
+    assert (x.tie ()    != y.tie ());
+    assert (x.getloc () != y.getloc ());
+
+    x.copyfmt (y);
+
+    // verify copyfmt() postconditions
+    assert (x.rdbuf ()      == x_rdbuf);
+    assert (x.tie ()        == y.tie ());
+    assert (x.rdstate ()    == x_rdstate);
+    assert (x.exceptions () == y.exceptions ());
+    assert (x.flags ()      == y.flags ());
+    assert (x.precision ()  == y.precision ());
+    assert (x.width ()      == y.width ());
+    assert (x.fill ()       == y.fill ());
+    assert (x.getloc ()     == y.getloc ());
+}