X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-strcasestr.c;h=ed563b2f3e7f605ef11089999fe8994c4c3c83bf;hb=6d273bef42e648ae9bd1d60923d2a4c8fc5dca94;hp=ceaab79321f9017f1c7be22fc270bdb88b91fd11;hpb=57fdfd3f8ec62b105c53bcdf6f127c35c7fe7391;p=gnulib.git

diff --git a/tests/test-strcasestr.c b/tests/test-strcasestr.c
index ceaab7932..ed563b2f3 100644
--- a/tests/test-strcasestr.c
+++ b/tests/test-strcasestr.c
@@ -1,5 +1,5 @@
 /* Test of case-insensitive searching in a string.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2008, 2009, 2010 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
@@ -20,23 +20,27 @@
 
 #include <string.h>
 
-#include <stdio.h>
+#include "signature.h"
+SIGNATURE_CHECK (strcasestr, char *, (char const *, char const *));
+
+#include <signal.h>
 #include <stdlib.h>
+#include <unistd.h>
 
-#define ASSERT(expr) \
-  do									     \
-    {									     \
-      if (!(expr))							     \
-        {								     \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "macros.h"
 
 int
 main ()
 {
+#if HAVE_DECL_ALARM
+  /* Declare failure if test takes too long, by using default abort
+     caused by SIGALRM.  All known platforms that lack alarm also lack
+     strcasestr, and the replacement strcasestr is known to not take too
+     long.  */
+  signal (SIGALRM, SIG_DFL);
+  alarm (50);
+#endif
+
   {
     const char input[] = "foo";
     const char *result = strcasestr (input, "");
@@ -61,6 +65,12 @@ main ()
     ASSERT (result == NULL);
   }
 
+  {
+    const char input[] = "ABC ABCDAB ABCDABCDABDE";
+    const char *result = strcasestr (input, "ABCDaBCD");
+    ASSERT (result == input + 11);
+  }
+
   /* Check that a very long haystack is handled quickly if the needle is
      short and occurs near the beginning.  */
   {
@@ -73,16 +83,16 @@ main ()
     char *haystack = (char *) malloc (m + 1);
     if (haystack != NULL)
       {
-	memset (haystack, 'A', m);
-	haystack[0] = 'B';
-	haystack[m] = '\0';
+        memset (haystack, 'A', m);
+        haystack[0] = 'B';
+        haystack[m] = '\0';
 
-	for (; repeat > 0; repeat--)
-	  {
-	    ASSERT (strcasestr (haystack, needle) == haystack + 1);
-	  }
+        for (; repeat > 0; repeat--)
+          {
+            ASSERT (strcasestr (haystack, needle) == haystack + 1);
+          }
 
-	free (haystack);
+        free (haystack);
       }
   }
 
@@ -97,45 +107,41 @@ main ()
     char *needle = (char *) malloc (m + 1);
     if (needle != NULL)
       {
-	memset (needle, 'A', m);
-	needle[m] = '\0';
+        memset (needle, 'A', m);
+        needle[m] = '\0';
 
-	for (; repeat > 0; repeat--)
-	  {
-	    ASSERT (strcasestr (haystack, needle) == NULL);
-	  }
+        for (; repeat > 0; repeat--)
+          {
+            ASSERT (strcasestr (haystack, needle) == NULL);
+          }
 
-	free (needle);
+        free (needle);
       }
   }
 
   /* Check that the asymptotic worst-case complexity is not quadratic.  */
-#if !HAVE_STRCASESTR /* The system's strcasestr() function fails this test.  */
   {
     size_t m = 1000000;
     char *haystack = (char *) malloc (2 * m + 2);
     char *needle = (char *) malloc (m + 2);
     if (haystack != NULL && needle != NULL)
       {
-	const char *result;
+        const char *result;
 
-	memset (haystack, 'A', 2 * m);
-	haystack[2 * m] = 'B';
-	haystack[2 * m + 1] = '\0';
+        memset (haystack, 'A', 2 * m);
+        haystack[2 * m] = 'B';
+        haystack[2 * m + 1] = '\0';
 
-	memset (needle, 'a', m);
-	needle[m] = 'B';
-	needle[m + 1] = '\0';
+        memset (needle, 'a', m);
+        needle[m] = 'B';
+        needle[m + 1] = '\0';
 
-	result = strcasestr (haystack, needle);
-	ASSERT (result == haystack + m);
+        result = strcasestr (haystack, needle);
+        ASSERT (result == haystack + m);
       }
-    if (needle != NULL)
-      free (needle);
-    if (haystack != NULL)
-      free (haystack);
+    free (needle);
+    free (haystack);
   }
-#endif
 
   return 0;
 }