X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=tests%2Ftest-vasnprintf-posix.c;h=895c807c7c1dd57a83395c7ca360e75e51871089;hb=30cb288509bfdf8a5c5600eb9514a8ea599668a7;hp=db39fbe84e73f8cc098896a7ab1b08981c29f8bf;hpb=9064585003a902e1bb951b5380dd5ee4bc9c3148;p=gnulib.git
diff --git a/tests/test-vasnprintf-posix.c b/tests/test-vasnprintf-posix.c
index db39fbe84..895c807c7 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
@@ -12,17 +12,15 @@
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. */
-#ifdef HAVE_CONFIG_H
-# include
-#endif
+#include
#include "vasnprintf.h"
+#include
#include
#include
#include
@@ -30,6 +28,8 @@
#include
#include
+#include "nan.h"
+
#define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
#define ASSERT(expr) \
do \
@@ -37,23 +37,12 @@
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 ()
@@ -63,6 +52,19 @@ have_minus_zero ()
return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
}
+/* Representation of an 80-bit 'long double' as an initializer for a sequence
+ of 'unsigned int' words. */
+#ifdef WORDS_BIGENDIAN
+# define LDBL80_WORDS(exponent,manthi,mantlo) \
+ { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
+ ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
+ (unsigned int) (mantlo) << 16 \
+ }
+#else
+# define LDBL80_WORDS(exponent,manthi,mantlo) \
+ { mantlo, manthi, exponent }
+#endif
+
static int
strmatch (const char *pattern, const char *string)
{
@@ -74,6 +76,27 @@ strmatch (const char *pattern, const char *string)
return 1;
}
+/* Test whether string[start_index..end_index-1] is a valid textual
+ representation of NaN. */
+static int
+strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
+{
+ if (start_index < end_index)
+ {
+ if (string[start_index] == '-')
+ start_index++;
+ if (start_index + 3 <= end_index
+ && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
+ {
+ start_index += 3;
+ if (start_index == end_index
+ || (string[start_index] == '(' && string[end_index - 1] == ')'))
+ return 1;
+ }
+ }
+ return 0;
+}
+
static void
test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{
@@ -225,11 +248,10 @@ 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
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -459,13 +481,12 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* FLAG_ZERO with NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%020a %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
*/
- ASSERT (strlen (result) == 20 + 3
- && (memcmp (result + strspn (result, " "), "nan", 3) == 0
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ ASSERT (strlen (result) == 50 + 3
+ && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -541,15 +562,115 @@ 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)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
+ { /* Quiet NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ {
+ /* Signalling NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
+ Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
+ Intel IA-64 Architecture Software Developer's Manual, Volume 1:
+ Application Architecture.
+ Table 5-2 "Floating-Point Register Encodings"
+ Figure 5-6 "Memory to Floating-Point Register Data Translation"
+ */
+ { /* Pseudo-NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Pseudo-Infinity. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
+ { /* Pseudo-Zero. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Unnormalized number. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Pseudo-Denormal. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+#endif
{ /* Rounding near the decimal point. */
size_t length;
@@ -776,13 +897,12 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* FLAG_ZERO with NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%020La %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
*/
- ASSERT (strlen (result) == 20 + 3
- && (memcmp (result + strspn (result, " "), "nan", 3) == 0
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ ASSERT (strlen (result) == 50 + 3
+ && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -957,11 +1077,10 @@ 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
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -1051,11 +1170,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* FLAG_ZERO with NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%020f %d", NaN (), 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050f %d", NaNd (), 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strlen (result) == 20 + 3
- && (memcmp (result + strspn (result, " "), "nan", 3) == 0
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ ASSERT (strlen (result) == 50 + 3
+ && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -1071,6 +1189,26 @@ 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 =
@@ -1236,18 +1374,117 @@ 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)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
+ { /* Quiet NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ {
+ /* Signalling NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
+ Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
+ Intel IA-64 Architecture Software Developer's Manual, Volume 1:
+ Application Architecture.
+ Table 5-2 "Floating-Point Register Encodings"
+ Figure 5-6 "Memory to Floating-Point Register Data Translation"
+ */
+ { /* Pseudo-NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Pseudo-Infinity. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Pseudo-Zero. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Unnormalized number. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
+ { /* Pseudo-Denormal. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+#endif
{ /* Width. */
size_t length;
@@ -1331,14 +1568,12 @@ 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, "%020Lf %d", zero / zero, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050Lf %d", NaNl (), 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strlen (result) == 20 + 3
- && (memcmp (result + strspn (result, " "), "nan", 3) == 0
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ ASSERT (strlen (result) == 50 + 3
+ && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -1354,6 +1589,26 @@ 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. */
@@ -1432,11 +1687,10 @@ 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
- && (memcmp (result, "NAN", 3) == 0
- || memcmp (result, "-NAN", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 1)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -1473,6 +1727,26 @@ 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 =
@@ -1547,14 +1821,12 @@ 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
- && (memcmp (result, "NAN", 3) == 0
- || memcmp (result, "-NAN", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 1)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -1591,6 +1863,26 @@ 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. */
@@ -1773,11 +2065,10 @@ 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
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -1885,11 +2176,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* FLAG_ZERO with NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%020e %d", NaN (), 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050e %d", NaNd (), 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strlen (result) == 20 + 3
- && (memcmp (result + strspn (result, " "), "nan", 3) == 0
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ ASSERT (strlen (result) == 50 + 3
+ && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -1906,6 +2196,28 @@ 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 =
@@ -2071,18 +2383,117 @@ 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)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
+ { /* Quiet NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ {
+ /* Signalling NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
+ Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
+ Intel IA-64 Architecture Software Developer's Manual, Volume 1:
+ Application Architecture.
+ Table 5-2 "Floating-Point Register Encodings"
+ Figure 5-6 "Memory to Floating-Point Register Data Translation"
+ */
+ { /* Pseudo-NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Pseudo-Infinity. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Pseudo-Zero. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Unnormalized number. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Pseudo-Denormal. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
+#endif
{ /* Width. */
size_t length;
@@ -2176,14 +2587,12 @@ 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, "%020Le %d", zero / zero, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050Le %d", NaNl (), 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strlen (result) == 20 + 3
- && (memcmp (result + strspn (result, " "), "nan", 3) == 0
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ ASSERT (strlen (result) == 50 + 3
+ && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -2199,6 +2608,26 @@ 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, "%.4Le %d", 999.951L, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "9.9995e+02 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);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+
/* Test the support of the %g format directive. */
{ /* A positive number. */
@@ -2378,11 +2807,10 @@ 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
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -2483,11 +2911,10 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
{ /* FLAG_ZERO with NaN. */
size_t length;
char *result =
- my_asnprintf (NULL, &length, "%020g %d", NaN (), 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050g %d", NaNd (), 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strlen (result) == 20 + 3
- && (memcmp (result + strspn (result, " "), "nan", 3) == 0
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ ASSERT (strlen (result) == 50 + 3
+ && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -2504,6 +2931,26 @@ 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 =
@@ -2669,18 +3116,117 @@ 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)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
+ { /* Quiet NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ {
+ /* Signalling NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
+ Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
+ Intel IA-64 Architecture Software Developer's Manual, Volume 1:
+ Application Architecture.
+ Table 5-2 "Floating-Point Register Encodings"
+ Figure 5-6 "Memory to Floating-Point Register Data Translation"
+ */
+ { /* Pseudo-NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Pseudo-Infinity. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Pseudo-Zero. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Unnormalized number. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
+ ASSERT (result != NULL);
+ ASSERT (strlen (result) >= 3 + 3
+ && strisnan (result, 0, strlen (result) - 3, 0)
+ && strcmp (result + strlen (result) - 3, " 33") == 0);
+ ASSERT (length == strlen (result));
+ free (result);
+ }
+ { /* Pseudo-Denormal. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
+ size_t length;
+ char *result =
+ my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
ASSERT (result != NULL);
ASSERT (strlen (result) >= 3 + 3
- && (memcmp (result, "nan", 3) == 0
- || memcmp (result, "-nan", 4) == 0)
+ && strisnan (result, 0, strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
}
+#endif
{ /* Width. */
size_t length;
@@ -2774,14 +3320,12 @@ 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, "%020Lg %d", zero / zero, 33, 44, 55);
+ my_asnprintf (NULL, &length, "%050Lg %d", NaNl (), 33, 44, 55);
ASSERT (result != NULL);
- ASSERT (strlen (result) == 20 + 3
- && (memcmp (result + strspn (result, " "), "nan", 3) == 0
- || memcmp (result + strspn (result, " "), "-nan", 4) == 0)
+ ASSERT (strlen (result) == 50 + 3
+ && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
&& strcmp (result + strlen (result) - 3, " 33") == 0);
ASSERT (length == strlen (result));
free (result);
@@ -2797,6 +3341,26 @@ 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, "%.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);
+ }
+
/* Test the support of the %n format directive. */
{
@@ -2834,6 +3398,138 @@ 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, "%.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 *