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extern/stdcxx/4.2.1/tests/regress/26.valarray.transcend.stdcxx-315.cpp

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+/************************************************************************
+ *
+ * 26.valarray.transcend.stdcxx-315.cpp - regression test for STDCXX-315
+ *
+ *   http://issues.apache.org/jira/browse/STDCXX-315
+ *
+ * $Id: 26.valarray.transcend.stdcxx-315.cpp 589882 2007-10-29 22:00:32Z sebor $
+ *
+ ***************************************************************************
+ *
+ * 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 <cstdlib>
+#include <cstring>
+#include <new>
+#include <valarray>
+
+void* operator new (std::size_t s) throw (std::bad_alloc)
+{
+    return std::memset (std::malloc (s), 0x55, s);
+}
+
+bool pass = true;
+
+struct S {
+    const S* const self;
+    S (): self (this) { }
+    S (const S &s): self (this) { pass = pass && &s == s.self; }
+    S (double): self (this) { }
+    ~S () { pass = pass && this == self; }
+    operator double () const { pass = pass && this == self; return 1.0; }
+
+    void operator=(const S &s) {
+        pass = pass && &s == s.self && this == self;
+    }
+    S operator- () const { pass = pass && this == self; return *this; }
+    bool operator< (const S &s) const {
+        pass = pass && &s == s.self && this == self;
+        return false;
+    }
+};
+
+
+int main ()
+{
+    const S s;
+    const std::valarray<S> a (2);
+
+    int nfails = 0;
+
+#define TEST(fun, args) \
+    pass = true; \
+    fun args; \
+    if (!pass) { \
+        std::fprintf (stderr, "std::%s uses uninitialized storage\n", \
+                      #fun); \
+        ++nfails; \
+    } (void)0
+
+TEST (abs, (a));
+    TEST (acos, (a));
+    TEST (asin, (a));
+    TEST (atan, (a));
+    TEST (atan2, (a, a));
+    TEST (atan2, (a, s));
+    TEST (atan2, (s, a));
+    TEST (cos, (a));
+    TEST (cosh, (a));
+    TEST (exp, (a));
+    TEST (log, (a));
+    TEST (log10, (a));
+    TEST (pow, (a, a));
+    TEST (pow, (a, s));
+    TEST (pow, (s, a));
+    TEST (sin, (a));
+    TEST (sinh, (a));
+    TEST (sqrt, (a));
+    TEST (tan, (a));
+    TEST (tanh, (a));
+
+    assert (0 == nfails);
+
+    return 0;
+}