X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-xvasprintf.c;h=4a90059a9ebd54b107cf93a858b6524d8c7876d6;hb=dd91a295844a6e89ce67087164ea0f2e979b4b70;hp=37603142f93e2b742ee1e46e5b99daabb3e84c1c;hpb=b886ebac9e37729d68e765b141b099ec5b24ab2c;p=gnulib.git

diff --git a/tests/test-xvasprintf.c b/tests/test-xvasprintf.c
index 37603142f..4a90059a9 100644
--- a/tests/test-xvasprintf.c
+++ b/tests/test-xvasprintf.c
@@ -1,5 +1,5 @@
 /* Test of xvasprintf() and xasprintf() functions.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -21,23 +21,11 @@
 #include "xvasprintf.h"
 
 #include <stdarg.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "progname.h"
-
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);						     \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 static char *
 my_xasprintf (const char *format, ...)
@@ -55,32 +43,82 @@ static void
 test_xvasprintf (void)
 {
   int repeat;
+  char *result;
 
   for (repeat = 0; repeat <= 8; repeat++)
     {
-      char *result = my_xasprintf ("%d", 12345);
+      result = my_xasprintf ("%d", 12345);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "12345") == 0);
       free (result);
     }
+
+  {
+    /* Silence gcc warning about zero-length format string.  */
+    const char *empty = "";
+    result = my_xasprintf (empty);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "") == 0);
+    free (result);
+  }
+
+  result = my_xasprintf ("%s", "foo");
+  ASSERT (result != NULL);
+  ASSERT (strcmp (result, "foo") == 0);
+  free (result);
+
+  result = my_xasprintf ("%s%s", "foo", "bar");
+  ASSERT (result != NULL);
+  ASSERT (strcmp (result, "foobar") == 0);
+  free (result);
+
+  result = my_xasprintf ("%s%sbaz", "foo", "bar");
+  ASSERT (result != NULL);
+  ASSERT (strcmp (result, "foobarbaz") == 0);
+  free (result);
 }
 
 static void
-test_xasprintf ()
+test_xasprintf (void)
 {
   int repeat;
+  char *result;
 
   for (repeat = 0; repeat <= 8; repeat++)
     {
-      char *result = xasprintf ("%d", 12345);
+      result = xasprintf ("%d", 12345);
       ASSERT (result != NULL);
       ASSERT (strcmp (result, "12345") == 0);
       free (result);
     }
+
+  {
+    /* Silence gcc warning about zero-length format string.  */
+    const char *empty = "";
+    result = xasprintf (empty);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "") == 0);
+    free (result);
+  }
+
+  result = xasprintf ("%s", "foo");
+  ASSERT (result != NULL);
+  ASSERT (strcmp (result, "foo") == 0);
+  free (result);
+
+  result = xasprintf ("%s%s", "foo", "bar");
+  ASSERT (result != NULL);
+  ASSERT (strcmp (result, "foobar") == 0);
+  free (result);
+
+  result = my_xasprintf ("%s%sbaz", "foo", "bar");
+  ASSERT (result != NULL);
+  ASSERT (strcmp (result, "foobarbaz") == 0);
+  free (result);
 }
 
 int
-main (int argc _UNUSED_PARAMETER_, char *argv[])
+main (int argc _GL_UNUSED, char *argv[])
 {
   set_program_name (argv[0]);