X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=tests%2Ftest-vasnprintf-posix.c;h=1a6054a0b8cbac0e32a81ccd56b5a781b811563c;hb=77041ebc885b2af4e2d48fd49cf5529759351076;hp=53b679918700db079cee72e78486c74e27006ce7;hpb=ee6d9baacd6be1baf7c81422f2f716e3fe280c05;p=gnulib.git
diff --git a/tests/test-vasnprintf-posix.c b/tests/test-vasnprintf-posix.c
index 53b679918..1a6054a0b 100644
--- a/tests/test-vasnprintf-posix.c
+++ b/tests/test-vasnprintf-posix.c
@@ -1,10 +1,10 @@
/* Test of POSIX compatible vasnprintf() and asnprintf() functions.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007-2008 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ 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
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -12,8 +12,7 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program. If not, see . */
/* Written by Bruno Haible , 2007. */
@@ -29,6 +28,8 @@
#include
#include
+#include "nan.h"
+
#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
#define ASSERT(expr) \
do \
@@ -36,32 +37,29 @@
if (!(expr)) \
{ \
fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+ fflush (stderr); \
abort (); \
} \
} \
while (0)
-/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
-#ifdef __DECC
-static double
-NaN ()
-{
- static double zero = 0.0;
- return zero / zero;
-}
-#else
-# define NaN() (0.0 / 0.0)
-#endif
-
/* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
static int
have_minus_zero ()
{
static double plus_zero = 0.0;
- static double minus_zero = -0.0;
+ double minus_zero = - plus_zero;
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 -zero 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;
+
/* Representation of an 80-bit 'long double' as an initializer for a sequence
of 'unsigned int' words. */
#ifdef WORDS_BIGENDIAN
@@ -106,7 +104,7 @@ strisnan (const char *string, size_t start_index, size_t end_index, int uppercas
}
return 0;
}
-
+
static void
test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{
@@ -227,7 +225,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%a %d", -0.0, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%a %d", -zerod, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0x0p+0 33") == 0);
@@ -258,7 +256,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%a %d", NaN (), 33, 44, 55);
+ my_asnprintf (NULL, &length, "%a %d", NaNd (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
@@ -491,7 +489,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* FLAG_ZERO with NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%050a %d", NaN (), 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050a %d", NaNd (), 33, 44, 55);
ASSERT (result != NULL);
/* "0000000nan 33" is not a valid result; see
*/
@@ -541,7 +539,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%La %d", -0.0L, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%La %d", -zerol, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0x0p+0 33") == 0);
@@ -572,7 +570,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%La %d", 0.0L / 0.0L, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%La %d", NaNl (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
@@ -907,7 +905,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* FLAG_ZERO with NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%050La %d", 0.0L / 0.0L, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050La %d", NaNl (), 33, 44, 55);
ASSERT (result != NULL);
/* "0000000nan 33" is not a valid result; see
*/
@@ -1054,7 +1052,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%f %d", -0.0, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%f %d", -zerod, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000 33") == 0);
@@ -1087,7 +1085,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%f %d", NaN (), 33, 44, 55);
+ my_asnprintf (NULL, &length, "%f %d", NaNd (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
@@ -1180,7 +1178,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* FLAG_ZERO with NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%050f %d", NaN (), 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050f %d", NaNd (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) == 50 + 3
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
@@ -1199,6 +1197,26 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
free (result);
}
+ { /* Precision with no rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.2f %d", 999.951, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "999.95 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ { /* Precision with rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.2f %d", 999.996, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "1000.00 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
{ /* A positive number. */
size_t length;
char *result =
@@ -1333,7 +1351,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%Lf %d", -0.0L, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%Lf %d", -zerol, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000 33") == 0);
@@ -1364,10 +1382,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
}
{ /* NaN. */
- static long double zero = 0.0L;
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%Lf %d", zero / zero, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%Lf %d", NaNl (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
@@ -1559,10 +1576,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
}
{ /* FLAG_ZERO with NaN. */
- static long double zero = 0.0L;
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%050Lf %d", zero / zero, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050Lf %d", NaNl (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) == 50 + 3
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
@@ -1581,6 +1597,26 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
free (result);
}
+ { /* Precision with no rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.2Lf %d", 999.951L, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "999.95 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ { /* Precision with rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.2Lf %d", 999.996L, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "1000.00 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
/* Test the support of the %F format directive. */
{ /* A positive number. */
@@ -1626,7 +1662,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%F %d", -0.0, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%F %d", -zerod, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000 33") == 0);
@@ -1659,7 +1695,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%F %d", NaN (), 33, 44, 55);
+ my_asnprintf (NULL, &length, "%F %d", NaNd (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 1)
@@ -1699,6 +1735,26 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
free (result);
}
+ { /* Precision with no rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.2F %d", 999.951, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "999.95 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ { /* Precision with rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.2F %d", 999.996, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "1000.00 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
{ /* A positive number. */
size_t length;
char *result =
@@ -1742,7 +1798,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%LF %d", -0.0L, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%LF %d", -zerol, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000 33") == 0);
@@ -1773,10 +1829,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
}
{ /* NaN. */
- static long double zero = 0.0L;
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%LF %d", zero / zero, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%LF %d", NaNl (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 1)
@@ -1816,6 +1871,26 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
free (result);
}
+ { /* Precision with no rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.2LF %d", 999.951L, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "999.95 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ { /* Precision with rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.2LF %d", 999.996L, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "1000.00 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
/* Test the support of the %e format directive. */
{ /* A positive number. */
@@ -1964,7 +2039,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%e %d", -0.0, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%e %d", -zerod, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0.000000e+00 33") == 0
@@ -1998,7 +2073,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%e %d", NaN (), 33, 44, 55);
+ my_asnprintf (NULL, &length, "%e %d", NaNd (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
@@ -2109,7 +2184,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* FLAG_ZERO with NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%050e %d", NaN (), 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050e %d", NaNd (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) == 50 + 3
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
@@ -2129,12 +2204,35 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
free (result);
}
+ { /* Precision with no rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.4e %d", 999.951, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "9.9995e+02 33") == 0
+ || strcmp (result, "9.9995e+002 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ { /* Precision with rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.4e %d", 999.996, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "1.0000e+03 33") == 0
+ || strcmp (result, "1.0000e+003 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
{ /* A positive number. */
size_t length;
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);
}
@@ -2144,7 +2242,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2233,8 +2332,16 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2245,7 +2352,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2255,7 +2363,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2263,10 +2372,11 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%Le %d", -0.0L, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%Le %d", -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);
}
@@ -2294,10 +2404,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
}
{ /* NaN. */
- static long double zero = 0.0L;
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%Le %d", zero / zero, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%Le %d", NaNl (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
@@ -2412,7 +2521,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2422,7 +2532,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2432,7 +2543,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2442,7 +2554,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2452,7 +2565,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2462,7 +2576,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2472,7 +2587,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2482,7 +2598,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2499,10 +2616,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
}
{ /* FLAG_ZERO with NaN. */
- static long double zero = 0.0L;
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%050Le %d", zero / zero, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050Le %d", NaNl (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) == 50 + 3
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
@@ -2516,7 +2632,30 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
+ }
+
+ { /* Precision with no rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.4Le %d", 999.951L, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "9.9995e+02 33") == 0
+ || strcmp (result, "9.9995e+002 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ { /* Precision with rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.4Le %d", 999.996L, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "1.0000e+03 33") == 0
+ || strcmp (result, "1.0000e+003 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
@@ -2667,7 +2806,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%g %d", -0.0, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%g %d", -zerod, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0 33") == 0);
@@ -2700,7 +2839,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%g %d", NaN (), 33, 44, 55);
+ my_asnprintf (NULL, &length, "%g %d", NaNd (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
@@ -2804,7 +2943,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* FLAG_ZERO with NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%050g %d", NaN (), 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050g %d", NaNd (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) == 50 + 3
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
@@ -2824,6 +2963,26 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
free (result);
}
+ { /* Precision with no rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.5g %d", 999.951, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "999.95 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ { /* Precision with rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.5g %d", 999.996, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "1000 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
{ /* A positive number. */
size_t length;
char *result =
@@ -2839,7 +2998,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2928,8 +3088,17 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -2958,7 +3127,7 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* Negative zero. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%Lg %d", -0.0L, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%Lg %d", -zerol, 33, 44, 55);
ASSERT (result != NULL);
if (have_minus_zero ())
ASSERT (strcmp (result, "-0 33") == 0);
@@ -2989,10 +3158,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
}
{ /* NaN. */
- static long double zero = 0.0L;
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%Lg %d", zero / zero, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%Lg %d", NaNl (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
&& strisnan (result, 0, strlen (result) - 3, 0)
@@ -3167,7 +3335,8 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
}
@@ -3194,10 +3363,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
}
{ /* FLAG_ZERO with NaN. */
- static long double zero = 0.0L;
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%050Lg %d", zero / zero, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050Lg %d", NaNl (), 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) == 50 + 3
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
@@ -3211,7 +3379,28 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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);
+ }
+
+ { /* Precision with no rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.5Lg %d", 999.951L, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "999.95 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ { /* Precision with rounding. */
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.5Lg %d", 999.996L, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "1000 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
@@ -3253,6 +3442,151 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
ASSERT (length == strlen (result));
free (result);
}
+
+ /* Test the support of the left-adjust flag. */
+
+ {
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "a%*sc", -3, "b");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "ab c") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ {
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "a%-*sc", 3, "b");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "ab c") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ {
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "a%-*sc", -3, "b");
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "ab c") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ /* Test the support of large precision. */
+
+ {
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.4000d %d", 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, "%.*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 (result[0] == '-');
+ for (i = 0; i < 4000 - 7; i++)
+ ASSERT (result[1 + i] == '0');
+ ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ {
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.4000u %d", 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, "%.4000o %d", 1234567, 99);
+ size_t i;
+ ASSERT (result != NULL);
+ for (i = 0; i < 4000 - 7; i++)
+ ASSERT (result[i] == '0');
+ ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ {
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%.4000x %d", 1234567, 99);
+ size_t i;
+ ASSERT (result != NULL);
+ for (i = 0; i < 4000 - 6; i++)
+ ASSERT (result[i] == '0');
+ ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ {
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%#.4000x %d", 1234567, 99);
+ size_t i;
+ ASSERT (result != NULL);
+ ASSERT (result[0] == '0');
+ ASSERT (result[1] == 'x');
+ for (i = 0; i < 4000 - 6; i++)
+ ASSERT (result[2 + i] == '0');
+ ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
+ {
+ char input[5000];
+ size_t length;
+ char *result;
+ size_t i;
+
+ for (i = 0; i < sizeof (input) - 1; i++)
+ input[i] = 'a' + ((1000000 / (i + 1)) % 26);
+ input[i] = '\0';
+ result = my_asnprintf (NULL, &length, "%.4000s %d", input, 99);
+ ASSERT (result != NULL);
+ ASSERT (memcmp (result, input, 4000) == 0);
+ ASSERT (strcmp (result + 4000, " 99") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
}
static char *