svn commit: r348534 - in /incubator/stdcxx/trunk/tests/diagnostics: ./ 19.cerrno.cpp

[se...@apache.org]

Author: sebor
Date: Wed Nov 23 11:56:30 2005
New Revision: 348534

URL: http://svn.apache.org/viewcvs?rev=348534&view=rev
Log:
2005-11-23  Martin Sebor  <se...@roguewave.com>

	* 19.cerrno.cpp: New test exercising lib.errno, the contents
	of the header <cerrno>.

Added:
    incubator/stdcxx/trunk/tests/diagnostics/
    incubator/stdcxx/trunk/tests/diagnostics/19.cerrno.cpp   (with props)

Added: incubator/stdcxx/trunk/tests/diagnostics/19.cerrno.cpp
URL: http://svn.apache.org/viewcvs/incubator/stdcxx/trunk/tests/diagnostics/19.cerrno.cpp?rev=348534&view=auto
==============================================================================
--- incubator/stdcxx/trunk/tests/diagnostics/19.cerrno.cpp (added)
+++ incubator/stdcxx/trunk/tests/diagnostics/19.cerrno.cpp Wed Nov 23 11:56:30 2005
@@ -0,0 +1,148 @@
+/***************************************************************************
+ *
+ * 19.cerrno.cpp - test exercising the lib.errno
+ *
+ * $Id: 22.locale.num.get.cpp 290831 2005-09-21 21:15:42Z sebor $
+ *
+ ***************************************************************************
+ *
+ * Copyright (c) 1994-2005 Quovadx,  Inc., acting through its  Rogue Wave
+ * Software division. 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
+ * 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 only <cerrno> here to prevent namespace pollution
+#include <cerrno>
+
+/**************************************************************************/
+
+const char* const errors[] = {
+
+#ifndef errno
+    "errno",
+#endif   // errno
+
+#ifndef EDOM
+    "EDOM not defined",
+#elif EDOM <= 0
+    "EDOM not positive",
+#endif   // EDOM
+
+#ifndef EILSEQ
+    "EILSEQ",   // lwg issue 288
+#elif EILSEQ <= 0
+    "EILSEQ not positive",
+#elif EILSEQ == EDOM
+    "EILSEQ not distinct from EDOM",
+#endif   // EILSEQ
+
+#ifndef ERANGE
+    "ERANGE not defined",
+#elif ERANGE <= 0
+    "ERANGE not positive",
+#elif ERANGE == EDOM
+    "ERANGE not distinct from EDOM",
+#elif ERANGE == EILSEQ
+    "ERANGE not distinct from EILSEQ",
+#endif   // ERANGE
+
+    0
+};
+
+/**************************************************************************/
+
+// include all other headers here
+#include <any.h>      // for rw_any_t
+#include <driver.h>   // for rw_test(), ...
+
+/**************************************************************************/
+
+template <class T> void set_errno_value (T, int) { /* empty */ }
+void set_errno_value (int &errno_ref, int val) { errno_ref = val; }
+
+/**************************************************************************/
+
+static int
+errno_at_startup;
+
+static int
+run_test (int, char**)
+{
+    rw_info (0, 0, 0, "exercising the contents of the <cerrno> header");
+
+    for (unsigned i = 0; errors [i]; ++i) {
+        rw_assert (0 == errors [i], 0, 0,
+                   "macro %s", errors [i]);
+    }
+
+    // get the type of errno
+    const char* const errno_type = rw_any_t (errno).type_name ();
+
+    // 7.5, p2 of C99: the type of errno must be int
+    rw_assert (   'i' == errno_type [0]
+               && 'n' == errno_type [1]
+               && 't' == errno_type [2]
+               && '\0' == errno_type [3],
+               0, 0, 
+               "the type of errno is int, got %s", errno_type);
+
+    // 7.5, p3 of C99: errno must be 0 at program startup
+    rw_assert (0 == errno_at_startup, 0, 0,
+               "errno == 0 at program startup, got %d", errno_at_startup);
+
+#ifndef EDOM
+#  define EDOM   33 /* Solaris value */
+#endif   // EDOM
+
+    // 7.5, p2 of C99: errno must be a modifiable lvalue
+    set_errno_value (errno, int (EDOM));
+
+    rw_assert (EDOM == errno, 0, 0,
+               "errno == %d (%{#*m}, got %d (%{#m}) "
+               "(errno not a modifiable lvalue?)",
+               EDOM, EDOM, errno, errno);
+
+#ifndef ERANGE
+#  define ERANGE   34 /* Solaris value */
+#endif   // ERANGE
+
+    set_errno_value (errno, int (ERANGE));
+
+    rw_assert (ERANGE == errno, 0, 0,
+               "errno == %d (%{#*m}, got %d (%{#m}) "
+               "(errno not a modifiable lvalue?)",
+               ERANGE, ERANGE, errno, errno);
+
+#ifndef EILSEQ
+#  define EILSEQ   84 /* Solaris value */
+#endif   // EILSEQ
+
+    set_errno_value (errno, int (EILSEQ));
+
+    rw_assert (EILSEQ == errno, 0, 0,
+               "errno == %d (%{#*m}, got %d (%{#m}) "
+               "(errno not a modifiable lvalue?)",
+               EILSEQ, EILSEQ, errno, errno);
+
+    return 0;
+}
+
+/**************************************************************************/
+
+int main (int argc, char *argv[])
+{
+    errno_at_startup = errno;
+
+    return rw_test (argc, argv, __FILE__,
+                    "lib.errno",
+                    0 /* no comment */, run_test,
+                    0 /* no command line options */, 0);
+}

Propchange: incubator/stdcxx/trunk/tests/diagnostics/19.cerrno.cpp
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