Author: sebor
Date: Thu May 22 12:38:16 2008
New Revision: 659224
URL: http://svn.apache.org/viewvc?rev=659224&view=rev
Log:
2008-05-20 Martin Sebor <[EMAIL PROTECTED]>
* tests/regress/27.ostream.inserters.stdcxx-51.cpp: Added regression
test exercising STDCXX-51, inconsistent formatting of Infinities and
NaNs.
Added:
stdcxx/branches/4.2.x/tests/regress/27.ostream.inserters.stdcxx-51.cpp
(with props)
Added: stdcxx/branches/4.2.x/tests/regress/27.ostream.inserters.stdcxx-51.cpp
URL:
http://svn.apache.org/viewvc/stdcxx/branches/4.2.x/tests/regress/27.ostream.inserters.stdcxx-51.cpp?rev=659224&view=auto
==============================================================================
--- stdcxx/branches/4.2.x/tests/regress/27.ostream.inserters.stdcxx-51.cpp
(added)
+++ stdcxx/branches/4.2.x/tests/regress/27.ostream.inserters.stdcxx-51.cpp Thu
May 22 12:38:16 2008
@@ -0,0 +1,126 @@
+/**************************************************************************
+ *
+ * 27.stream.inserters.stdcxx-51.cpp - regression test for STDCXX-51
+ *
+ * http://issues.apache.org/jira/browse/STDCXX-51
+ *
+ * $Id$
+ *
+ **************************************************************************
+ *
+ * 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 <cstdio>
+#include <limits>
+#include <sstream>
+
+
+template <class FloatT>
+bool test (const char *tname)
+{
+ // zero and one used to verify sanity
+ const FloatT zero = FloatT ();
+ const FloatT pone = +FloatT (1);
+ const FloatT none = -FloatT (1);
+
+ // positive and negative Infinity
+ const FloatT pinf = +std::numeric_limits<FloatT>::infinity ();
+ const FloatT ninf = -std::numeric_limits<FloatT>::infinity ();
+
+ // positive and negative Quiet NaN
+ const FloatT pqnan = +std::numeric_limits<FloatT>::quiet_NaN ();
+ const FloatT nqnan = -std::numeric_limits<FloatT>::quiet_NaN ();
+
+ // positive and negative Signaling NaN
+ const FloatT psnan = +std::numeric_limits<FloatT>::signaling_NaN ();
+ const FloatT nsnan = -std::numeric_limits<FloatT>::signaling_NaN ();
+
+ std::ostringstream out;
+
+ out << " 0.0: " << zero << '\n'
+ << " +/-1.0: " << pone << ' ' << none << '\n'
+ << " +/-INF: " << pinf << ' ' << ninf << '\n'
+ << " +/-QNAN: " << pqnan << ' ' << nqnan << '\n'
+ << " +/-SNAN: " << psnan << ' ' << nsnan << '\n';
+
+ // expected output
+ const char expect[] = {
+ " 0.0: 0\n"
+ " +/-1.0: 1 -1\n"
+ " +/-INF: inf -inf\n"
+ " +/-QNAN: qnan -qnan\n"
+ " +/-SNAN: snan -snan\n"
+ };
+
+ bool pass = true;
+
+ if (expect != out.str ()) {
+ std::fprintf (stderr, "Expected (%s):\n%s\nGot:\n%s\n",
+ tname, expect, out.str ().c_str ());
+ pass = false;
+ }
+
+ // clear string and set the uppercase bit in flags
+ out.str ("");
+ out.setf (out.uppercase);
+
+ out << " 0.0: " << zero << '\n'
+ << " +/-1.0: " << pone << ' ' << none << '\n'
+ << " +/-INF: " << pinf << ' ' << ninf << '\n'
+ << " +/-QNAN: " << pqnan << ' ' << nqnan << '\n'
+ << " +/-SNAN: " << psnan << ' ' << nsnan << '\n';
+
+ // expected output
+ const char EXPECT[] = {
+ " 0.0: 0\n"
+ " +/-1.0: 1 -1\n"
+ " +/-INF: INF -INF\n"
+ " +/-QNAN: QNAN -QNAN\n"
+ " +/-SNAN: SNAN -SNAN\n"
+ };
+
+ if (EXPECT != out.str ()) {
+ std::fprintf (stderr, "Expected (%s):\n%s\nGot:\n%s\n",
+ tname, EXPECT, out.str ().c_str ());
+ pass = false;
+ }
+
+ return pass;
+}
+
+
+int main ()
+{
+ bool pass;
+
+ // exercise the formatting of Infinities and NaNs
+ pass = test<float>("float");
+ pass = test<double>("double") && pass;
+
+#ifndef _RWSTD_NO_LONG_DOUBLE
+
+ pass = test<long double>("long double") && pass;
+
+#endif // _RWSTD_NO_LONG_DOUBLE
+
+ assert (pass);
+
+ return 0;
+}
Propchange:
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