[commits] r8818 - /libdfp/trunk/tests/scaffold.c

[ryanarn@xxxxxxxxxx]

Author: ryanarn
Date: Thu Aug 13 16:14:43 2009
New Revision: 8818

Log:
2009-08-13  Ryan S. Arnold  <rsa@xxxxxxxxxx>

	* tests/scaffold.c: New file which holds _C, _C_P, _PC, and _PC_P
	macros used for printing debugging messages in the event of test case
	failures.

Added:
    libdfp/trunk/tests/scaffold.c

Added: libdfp/trunk/tests/scaffold.c
==============================================================================
--- libdfp/trunk/tests/scaffold.c (added)
+++ libdfp/trunk/tests/scaffold.c Thu Aug 13 16:14:43 2009
@@ -1,0 +1,91 @@
+/* Test facility scaffolding.
+
+   Copyright (C) 2009 Free Software Foundation, Inc.
+
+   This file is part of the Decimal Floating Point C Library.
+
+   Author(s): Ryan S. Arnold <rsa@xxxxxxxxxx>
+
+   The Decimal Floating Point C Library is free software; you can
+   redistribute it and/or modify it under the terms of the GNU Lesser
+   General Public License version 2.1.
+
+   The Decimal Floating Point C Library is distributed in the hope that
+   it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+   warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+   the GNU Lesser General Public License version 2.1 for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License version 2.1 along with the Decimal Floating Point C Library;
+   if not, write to the Free Software Foundation, Inc., 59 Temple Place,
+   Suite 330, Boston, MA 02111-1307 USA.
+
+   Please see libdfp/COPYING.txt for more information.  */
+
+
+#include <stdio.h>
+
+#ifndef _C
+#include <string.h>
+#include <stdarg.h>
+#include <limits.h> /* For CHAR_MAX.  */
+
+static int fail = 0;
+
+/* Generally don't invoke this directly unless you already have __LINE__ set in
+ * a variable and want _C_P to output it.  The name stands for Compare with
+ * Position.  */
+#define _C_P(f,l,x,y) do { \
+  if(strcmp(x,y)) { \
+    fprintf(stderr, "Error: Expected: \"%s\" - Result: \"%s\" in: %s:%d.\n", x,y,f,l); \
+    ++fail; \
+  } else { \
+    fprintf(stdout, "Success: Expected: \"%s\" - Result: \"%s\" in: %s:%d.\n", x,y,f,l); \
+  } \
+} while (0)
+
+#define _C(x,y) _C_P (__FILE__,__LINE__,x,y)
+
+#endif /* _C  */
+
+#ifndef _PC
+
+static char buf[CHAR_MAX];
+
+/* _PC == Printf_dfp Compare with Position  */
+#define _PC_P(f,l,x,y,args...) do { \
+  memset(buf,'\0',CHAR_MAX); \
+  /* Invokes printf dfp.  */  \
+  sprintf(buf, y, ##args); \
+  _C_P(f,l,x,buf); \
+} while (0)
+
+/* _PC == Printf_dfp Compare
+ *
+ * Variadic macro used to compare a printf invocation with an expected result.
+ *
+ * X: Expected String
+ * Y: Format String
+ * ...: Argument list
+ *
+ * Use it like you'd use printf, except you include an 'expected result' string
+ * to precede everything.
+ *
+ * e.g.
+ *   _PC("0.000033333","%DDf.\n", (_Decimal128) 0.00033333DL);
+ *
+ */
+#define _PC(x,y,...) _PC_P (__FILE__,__LINE__,x,y,__VA_ARGS__)
+#endif /* _PC  */
+
+#ifndef _REPORT
+/* Don't print anything if there are no failures.  */
+#define _REPORT() do { \
+    if(fail) { \
+      fprintf(stderr, "Found %d failures.\n", fail); \
+    } \
+} while (0)
+
+#endif /* _REPORT  */
+
+