/* Test of POSIX compatible vasnprintf() and asnprintf() functions.
- Copyright (C) 2007-2008 Free Software Foundation, Inc.
+ Copyright (C) 2007-2009 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
}
/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
- So we use -zero instead. */
+ So we use -zerod instead. */
double zerod = 0.0;
-/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0L.
- So we use -zero instead. */
-long double zerol = 0.0L;
+/* 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. */
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%La %d", -zerol, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%La %d", minus_zerol, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0x0p+0 33") == 0);
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%Lf %d", -zerol, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%Lf %d", minus_zerol, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000 33") == 0);
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%LF %d", -zerol, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%LF %d", minus_zerol, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000 33") == 0);
char *result =
my_asnprintf (NULL, &length, "%Le %d", 12.75L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "1.275000e+01 33") == 0);
+ ASSERT (strcmp (result, "1.275000e+01 33") == 0
+ || strcmp (result, "1.275000e+001 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%Le %d", 1234567.0L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "1.234567e+06 33") == 0);
+ ASSERT (strcmp (result, "1.234567e+06 33") == 0
+ || strcmp (result, "1.234567e+006 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
size_t length;
char *result =
my_asnprintf (NULL, &length, "%Le", data[k].value);
+ const char *expected = data[k].string;
ASSERT (result != NULL);
- ASSERT (strcmp (result, data[k].string) == 0);
+ ASSERT (strcmp (result, expected) == 0
+ /* Some implementations produce exponents with 3 digits. */
+ || (strlen (result) == strlen (expected) + 1
+ && memcmp (result, expected, strlen (expected) - 2) == 0
+ && result[strlen (expected) - 2] == '0'
+ && strcmp (result + strlen (expected) - 1,
+ expected + strlen (expected) - 2)
+ == 0));
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%Le %d", -0.03125L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
+ ASSERT (strcmp (result, "-3.125000e-02 33") == 0
+ || strcmp (result, "-3.125000e-002 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%Le %d", 0.0L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "0.000000e+00 33") == 0);
+ ASSERT (strcmp (result, "0.000000e+00 33") == 0
+ || strcmp (result, "0.000000e+000 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%Le %d", -zerol, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%Le %d", minus_zerol, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
- ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
+ ASSERT (strcmp (result, "-0.000000e+00 33") == 0
+ || strcmp (result, "-0.000000e+000 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%15Le %d", 1.75L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
+ ASSERT (strcmp (result, " 1.750000e+00 33") == 0
+ || strcmp (result, " 1.750000e+000 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%-15Le %d", 1.75L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "1.750000e+00 33") == 0);
+ ASSERT (strcmp (result, "1.750000e+00 33") == 0
+ || strcmp (result, "1.750000e+000 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%+Le %d", 1.75L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
+ ASSERT (strcmp (result, "+1.750000e+00 33") == 0
+ || strcmp (result, "+1.750000e+000 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "% Le %d", 1.75L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
+ ASSERT (strcmp (result, " 1.750000e+00 33") == 0
+ || strcmp (result, " 1.750000e+000 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%#Le %d", 1.75L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "1.750000e+00 33") == 0);
+ ASSERT (strcmp (result, "1.750000e+00 33") == 0
+ || strcmp (result, "1.750000e+000 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%#.Le %d", 1.75L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "2.e+00 33") == 0);
+ ASSERT (strcmp (result, "2.e+00 33") == 0
+ || strcmp (result, "2.e+000 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%#.Le %d", 9.75L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "1.e+01 33") == 0);
+ ASSERT (strcmp (result, "1.e+01 33") == 0
+ || strcmp (result, "1.e+001 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%015Le %d", 1234.0L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
+ ASSERT (strcmp (result, "0001.234000e+03 33") == 0
+ || strcmp (result, "001.234000e+003 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%.Le %d", 1234.0L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "1e+03 33") == 0);
+ ASSERT (strcmp (result, "1e+03 33") == 0
+ || strcmp (result, "1e+003 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%.4Le %d", 999.951L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "9.9995e+02 33") == 0);
+ ASSERT (strcmp (result, "9.9995e+02 33") == 0
+ || strcmp (result, "9.9995e+002 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%.4Le %d", 999.996L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "1.0000e+03 33") == 0);
+ ASSERT (strcmp (result, "1.0000e+03 33") == 0
+ || strcmp (result, "1.0000e+003 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%Lg %d", 1234567.0L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "1.23457e+06 33") == 0);
+ ASSERT (strcmp (result, "1.23457e+06 33") == 0
+ || strcmp (result, "1.23457e+006 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
size_t length;
char *result =
my_asnprintf (NULL, &length, "%Lg", data[k].value);
+ const char *expected = data[k].string;
ASSERT (result != NULL);
- ASSERT (strcmp (result, data[k].string) == 0);
+ ASSERT (strcmp (result, expected) == 0
+ /* Some implementations produce exponents with 3 digits. */
+ || (expected[strlen (expected) - 4] == 'e'
+ && strlen (result) == strlen (expected) + 1
+ && memcmp (result, expected, strlen (expected) - 2) == 0
+ && result[strlen (expected) - 2] == '0'
+ && strcmp (result + strlen (expected) - 1,
+ expected + strlen (expected) - 2)
+ == 0));
ASSERT (length == strlen (result));
free (result);
}
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%Lg %d", -zerol, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%Lg %d", minus_zerol, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0 33") == 0);
char *result =
my_asnprintf (NULL, &length, "%#.Lg %d", 9.75L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "1.e+01 33") == 0);
+ ASSERT (strcmp (result, "1.e+01 33") == 0
+ || strcmp (result, "1.e+001 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
char *result =
my_asnprintf (NULL, &length, "%.Lg %d", 1234.0L, 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strcmp (result, "1e+03 33") == 0);
+ ASSERT (strcmp (result, "1e+03 33") == 0
+ || strcmp (result, "1e+003 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
{
size_t length;
char *result =
+ my_asnprintf (NULL, &length, "%.*d %d", 4000, 1234567, 99);
+ size_t i;
+ ASSERT (result != NULL);
+ for (i = 0; i < 4000 - 7; i++)
+ ASSERT (result[i] == '0');
+ ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ {
+ size_t length;
+ char *result =
my_asnprintf (NULL, &length, "%.4000d %d", -1234567, 99);
size_t i;
ASSERT (result != NULL);
ASSERT (length == strlen (result));
free (result);
}
+
+ /* Test the support of the %s format directive. */
+
+ /* To verify that these tests succeed, it is necessary to run them under
+ a tool that checks against invalid memory accesses, such as ElectricFence
+ or "valgrind --tool=memcheck". */
+ {
+ size_t i;
+
+ for (i = 1; i <= 8; i++)
+ {
+ char *block;
+ size_t length;
+ char *result;
+
+ block = (char *) malloc (i);
+ memcpy (block, "abcdefgh", i);
+ result = my_asnprintf (NULL, &length, "%.*s", (int) i, block);
+ ASSERT (result != NULL);
+ ASSERT (memcmp (result, block, i) == 0);
+ ASSERT (result[i] == '\0');
+ ASSERT (length == strlen (result));
+ free (result);
+ free (block);
+ }
+ }
+#if HAVE_WCHAR_T
+ {
+ size_t i;
+
+ for (i = 1; i <= 8; i++)
+ {
+ wchar_t *block;
+ size_t j;
+ size_t length;
+ char *result;
+
+ block = (wchar_t *) malloc (i * sizeof (wchar_t));
+ for (j = 0; j < i; j++)
+ block[j] = "abcdefgh"[j];
+ result = my_asnprintf (NULL, &length, "%.*ls", (int) i, block);
+ ASSERT (result != NULL);
+ ASSERT (memcmp (result, "abcdefgh", i) == 0);
+ ASSERT (result[i] == '\0');
+ ASSERT (length == strlen (result));
+ free (result);
+ free (block);
+ }
+ }
+#endif
}
static char *
projects / gnulib.git / blobdiff