Author: sebor
Date: Wed Aug 8 09:32:42 2007
New Revision: 563932
URL: http://svn.apache.org/viewvc?view=rev&rev=563932
Log:
2007-08-08 Martin Sebor <[EMAIL PROTECTED]>
* 18.limits.cvqual.cpp (test_limits): Exercised quiet NAN.
Modified:
incubator/stdcxx/trunk/tests/support/18.limits.cvqual.cpp
Modified: incubator/stdcxx/trunk/tests/support/18.limits.cvqual.cpp
URL:
http://svn.apache.org/viewvc/incubator/stdcxx/trunk/tests/support/18.limits.cvqual.cpp?view=diff&rev=563932&r1=563931&r2=563932
==============================================================================
--- incubator/stdcxx/trunk/tests/support/18.limits.cvqual.cpp (original)
+++ incubator/stdcxx/trunk/tests/support/18.limits.cvqual.cpp Wed Aug 8
09:32:42 2007
@@ -1,28 +1,32 @@
-// -*- C++ -*-
/***************************************************************************
*
- * 18.limits.cvqual.cpp - test exercising lib.numeric.limits
+ * 18.limits.cvqual.cpp:
+ *
+ * Test exercising lib.numeric.limits, numeric_limits specializations
+ * on cv-qualified scalar types. See DR 559 for details:
+ * http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#559
*
* $Id$
*
***************************************************************************
*
- * Copyright 2006 The Apache Software Foundation or its licensors,
- * as applicable.
- *
- * Copyright 2006 Rogue Wave Software.
- *
- * Licensed 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
+ * 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
+ * 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.
+ * 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.
+ *
+ * Copyright 2006-2007 Rogue Wave Software, Inc.
*
**************************************************************************/
@@ -52,6 +56,8 @@
typedef std::numeric_limits<T> limits;
typedef std::numeric_limits<CVQualifiedT> cv_limits;
+ // verify that the member has the same value as the same member
+ // of a specialization of numeric_limits on the cv-qualified T
# define TEST(member) \
rw_assert (limits::member == cv_limits::member, 0, __LINE__, \
"numeric_limits<%s>::%s == numeric_limits<%s %1$s>::%2$s", \
@@ -61,6 +67,9 @@
typedef std::numeric_limits<UserType<T> > limits;
typedef std::numeric_limits<CVQualifiedT> cv_limits;
+ // verify that the member has the same value as the same member
+ // of a specialization of numeric_limits on some user-defined T
+ // (i.e., the primary template)
# define TEST(member) \
rw_assert (limits::member == cv_limits::member, 0, __LINE__, \
"numeric_limits<%s>::%s == numeric_limits<%s %1$s>::%2$s", \
@@ -98,7 +107,13 @@
TEST (signaling_NaN ());
}
else {
- // test NaN
+ const bool expect = limits::has_quiet_NaN;
+
+ rw_assert (expect == (limits::quiet_NaN () != cv_limits::quiet_NaN ()),
+ 0, __LINE__,
+ "numeric_limits<%s>::qNaN() %{?}!=%{:}==%{;} "
+ "numeric_limits<%s %1$s>::qNaN ()",
+ tname, expect, quals);
}
TEST (denorm_min ());
@@ -120,7 +135,8 @@
typedef volatile T volatile_T;
typedef const volatile T const_volatile_T;
- rw_info (0, 0, 0, "std::numeric_limits<T> with T = cv-qualified %s",
tname);
+ rw_info (0, 0, __LINE__,
+ "std::numeric_limits<T> with T = cv-qualified %s", tname);
test_limits ((T*)0, (const_T*)0, tname, "const");
test_limits ((T*)0, (volatile_T*)0, tname, "volatile");
@@ -184,5 +200,5 @@
"specializations on cv-qualifed types",
run_test,
0,
- 0);
+ (void*)0);
}
