X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-sprintf-posix.h;h=3003b426b3f854867713d705d36c6085b2e5b6ad;hb=08c11765d4fe790403229496a8a3ec625a3ca5af;hp=a1e414a56df097dd7fc1db68b22ea8372c44bddd;hpb=441aa3044f43e5572f58c354f01e6bc070acd5c7;p=gnulib.git

diff --git a/tests/test-sprintf-posix.h b/tests/test-sprintf-posix.h
index a1e414a56..3003b426b 100644
--- a/tests/test-sprintf-posix.h
+++ b/tests/test-sprintf-posix.h
@@ -1,5 +1,5 @@
 /* Test of POSIX compatible vsprintf() and sprintf() functions.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2011 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
@@ -16,6 +16,7 @@
 
 /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
 
+#include "minus-zero.h"
 #include "nan.h"
 
 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0.  */
@@ -23,30 +24,10 @@ static int
 have_minus_zero ()
 {
   static double plus_zero = 0.0;
-  double minus_zero = - plus_zero;
+  double minus_zero = minus_zerod;
   return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
 }
 
-/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
-   So we use -zerod instead.  */
-double zerod = 0.0;
-
-/* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
-   So we use minus_zerol instead.
-   IRIX cc can't put -0.0L into .data, but can compute at runtime.
-   Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
-   platforms, such as when cross-compiling to PowerPC on MacOS X 10.5.  */
-#if defined __hpux || defined __sgi
-static long double
-compute_minus_zerol (void)
-{
-  return -LDBL_MIN * LDBL_MIN;
-}
-# define minus_zerol compute_minus_zerol ()
-#else
-long double minus_zerol = -0.0L;
-#endif
-
 /* Representation of an 80-bit 'long double' as an initializer for a sequence
    of 'unsigned int' words.  */
 #ifdef WORDS_BIGENDIAN
@@ -178,7 +159,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
   { /* Negative zero.  */
     char result[1000];
     int retval =
-      my_sprintf (result, "%a %d", -zerod, 33, 44, 55);
+      my_sprintf (result, "%a %d", minus_zerod, 33, 44, 55);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0x0p+0 33") == 0);
     ASSERT (retval == strlen (result));
@@ -887,7 +868,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
   { /* Negative zero.  */
     char result[1000];
     int retval =
-      my_sprintf (result, "%f %d", -zerod, 33, 44, 55);
+      my_sprintf (result, "%f %d", minus_zerod, 33, 44, 55);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0.000000 33") == 0);
     ASSERT (retval == strlen (result));
@@ -1401,7 +1382,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
   { /* Negative zero.  */
     char result[1000];
     int retval =
-      my_sprintf (result, "%F %d", -zerod, 33, 44, 55);
+      my_sprintf (result, "%F %d", minus_zerod, 33, 44, 55);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0.000000 33") == 0);
     ASSERT (retval == strlen (result));
@@ -1724,7 +1705,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
   { /* Negative zero.  */
     char result[1000];
     int retval =
-      my_sprintf (result, "%e %d", -zerod, 33, 44, 55);
+      my_sprintf (result, "%e %d", minus_zerod, 33, 44, 55);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0.000000e+00 33") == 0
               || strcmp (result, "-0.000000e+000 33") == 0);
@@ -2389,7 +2370,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
   { /* Negative zero.  */
     char result[1000];
     int retval =
-      my_sprintf (result, "%g %d", -zerod, 33, 44, 55);
+      my_sprintf (result, "%g %d", minus_zerod, 33, 44, 55);
     if (have_minus_zero ())
       ASSERT (strcmp (result, "-0 33") == 0);
     ASSERT (retval == strlen (result));
@@ -3037,6 +3018,32 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
   }
 
   {
+    char result[5000];
+    int retval =
+      my_sprintf (result, "%.4000f %d", 1.0, 99);
+    size_t i;
+    ASSERT (result[0] == '1');
+    ASSERT (result[1] == '.');
+    for (i = 0; i < 4000; i++)
+      ASSERT (result[2 + i] == '0');
+    ASSERT (strcmp (result + 2 + 4000, " 99") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  {
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%.511f %d", 1.0, 99);
+    size_t i;
+    ASSERT (result[0] == '1');
+    ASSERT (result[1] == '.');
+    for (i = 0; i < 511; i++)
+      ASSERT (result[2 + i] == '0');
+    ASSERT (strcmp (result + 2 + 511, " 99") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  {
     char input[5000];
     char result[5000];
     int retval;