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c582b7ad60
glib/tests/printf-test.c
Matthias Clasen c582b7ad60 Change the %e tests to not check for actual string equality, but rather 
Tue Oct 28 23:38:30 2003  Matthias Clasen  <maclas@gmx.de>

	* tests/printf-test.c: Change the %e tests to not check for
	actual string equality, but rather equality under g_ascii_strtod(),
	since the number of leading digits in the exponent seems to
	be not exactly prescribed by SUS.
2003-10-28 22:40:51 +00:00

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/* GLIB - Library of useful routines for C programming
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GLib Team 2003. See the AUTHORS
* file for a list of people on the GLib Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GLib at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "glib.h"
#include <stdio.h>
#include <string.h>
static gboolean any_failed = FALSE;
static gboolean failed = FALSE;
#define TEST(message,cond) G_STMT_START { failed = !(cond); \
if (failed) \
{ if (!message) \
g_print ("(%s:%d) failed for: %s\n", __FILE__, __LINE__, ( # cond )); \
else \
g_print ("(%s:%d) failed for: %s: (%s)\n", __FILE__, __LINE__, ( # cond ), message ? (gchar*)message : ""); \
fflush (stdout); \
any_failed; \
} \
} G_STMT_END
#define TEST_FAILED(message) \
G_STMT_START { g_print ("Error: "); g_print message; g_print ("\n"); any_failed = TRUE; } G_STMT_END
static gboolean
same_value (const gchar *actual,
const gchar *expected)
{
gdouble actual_value, expected_value;
actual_value = g_ascii_strtod (actual, NULL);
expected_value = g_ascii_strtod (expected, NULL);
return actual_value == expected_value;
}
int
main (int argc,
char *argv[])
{
gchar buf[128];
int i;
long l;
/* truncation and return value */
TEST (NULL, g_snprintf (buf, 0, "abc") == 3);
TEST (NULL, g_snprintf (NULL, 0, "abc") == 3);
TEST (NULL, g_snprintf (buf, 5, "abc") == 3);
TEST (NULL, g_snprintf (buf, 1, "abc") == 3 && buf[0] == '\0' && !strcmp (buf, ""));
TEST (NULL, g_snprintf (buf, 2, "abc") == 3 && buf[1] == '\0' && !strcmp (buf, "a"));
TEST (NULL, g_snprintf (buf, 3, "abc") == 3 && buf[2] == '\0' && !strcmp (buf, "ab"));
TEST (NULL, g_snprintf (buf, 4, "abc") == 3 && buf[3] == '\0' && !strcmp (buf, "abc"));
TEST (NULL, g_snprintf (buf, 5, "abc") == 3 && buf[3] == '\0' && !strcmp (buf, "abc"));
/* %d, basic formatting */
TEST (NULL, g_snprintf (buf, 128, "%d", 5) == 1 && !strcmp (buf, "5"));
TEST (NULL, g_snprintf (buf, 128, "%d", 0) == 1 && !strcmp (buf, "0"));
TEST (NULL, g_snprintf (buf, 128, "%.0d", 0) == 0 && !strcmp (buf, ""));
TEST (NULL, g_snprintf (buf, 128, "%.0d", 1) == 1 && !strcmp (buf, "1"));
TEST (NULL, g_snprintf (buf, 128, "%d", -1) == 2 && !strcmp (buf, "-1"));
TEST (NULL, g_snprintf (buf, 128, "%.3d", 5) == 3 && !strcmp (buf, "005"));
TEST (NULL, g_snprintf (buf, 128, "%.3d", -5) == 4 && !strcmp (buf, "-005"));
TEST (NULL, g_snprintf (buf, 128, "%5.3d", 5) == 5 && !strcmp (buf, " 005"));
TEST (NULL, g_snprintf (buf, 128, "%-5.3d", -5) == 5 && !strcmp (buf, "-005 "));
/* %d, length modifiers */
TEST (NULL, g_snprintf (buf, 128, "%" G_GINT16_FORMAT, (gint16)-5) == 2 && !strcmp (buf, "-5"));
TEST (NULL, g_snprintf (buf, 128, "%" G_GUINT16_FORMAT, (guint16)5) == 1 && !strcmp (buf, "5"));
TEST (NULL, g_snprintf (buf, 128, "%" G_GINT32_FORMAT, (gint32)-5) == 2 && !strcmp (buf, "-5"));
TEST (NULL, g_snprintf (buf, 128, "%" G_GUINT32_FORMAT, (guint32)5) == 1 && !strcmp (buf, "5"));
TEST (NULL, g_snprintf (buf, 128, "%" G_GINT64_FORMAT, (gint64)-5) == 2 && !strcmp (buf, "-5"));
TEST (NULL, g_snprintf (buf, 128, "%" G_GUINT64_FORMAT, (guint64)5) == 1 && !strcmp (buf, "5"));
/* %d, flags */
TEST (NULL, g_snprintf (buf, 128, "%-d", 5) == 1 && !strcmp (buf, "5"));
TEST (NULL, g_snprintf (buf, 128, "%-+d", 5) == 2 && !strcmp (buf, "+5"));
TEST (NULL, g_snprintf (buf, 128, "%+-d", 5) == 2 && !strcmp (buf, "+5"));
TEST (NULL, g_snprintf (buf, 128, "%+d", -5) == 2 && !strcmp (buf, "-5"));
TEST (NULL, g_snprintf (buf, 128, "% d", 5) == 2 && !strcmp (buf, " 5"));
TEST (NULL, g_snprintf (buf, 128, "% .0d", 0) == 1 && !strcmp (buf, " "));
TEST (NULL, g_snprintf (buf, 128, "% +d", 5) == 2 && !strcmp (buf, "+5"));
TEST (NULL, g_snprintf (buf, 128, "%03d", 5) == 3 && !strcmp (buf, "005"));
TEST (NULL, g_snprintf (buf, 128, "%-03d", -5) == 3 && !strcmp (buf, "-5 "));
TEST (NULL, g_snprintf (buf, 128, "%03d", -5) == 3 && !strcmp (buf, "-05"));
/* %o, basic formatting */
TEST (NULL, g_snprintf (buf, 128, "%o", 5) == 1 && !strcmp (buf, "5"));
TEST (NULL, g_snprintf (buf, 128, "%o", 8) == 2 && !strcmp (buf, "10"));
TEST (NULL, g_snprintf (buf, 128, "%o", 0) == 1 && !strcmp (buf, "0"));
TEST (NULL, g_snprintf (buf, 128, "%.0o", 0) == 0 && !strcmp (buf, ""));
TEST (NULL, g_snprintf (buf, 128, "%.0o", 1) == 1 && !strcmp (buf, "1"));
TEST (NULL, g_snprintf (buf, 128, "%.3o", 5) == 3 && !strcmp (buf, "005"));
TEST (NULL, g_snprintf (buf, 128, "%.3o", 8) == 3 && !strcmp (buf, "010"));
TEST (NULL, g_snprintf (buf, 128, "%5.3o", 5) == 5 && !strcmp (buf, " 005"));
/* %u, basic formatting */
TEST (NULL, g_snprintf (buf, 128, "%u", 5) == 1 && !strcmp (buf, "5"));
TEST (NULL, g_snprintf (buf, 128, "%u", 0) == 1 && !strcmp (buf, "0"));
TEST (NULL, g_snprintf (buf, 128, "%.0u", 0) == 0 && !strcmp (buf, ""));
TEST (NULL, g_snprintf (buf, 128, "%.0u", 1) == 1 && !strcmp (buf, "1"));
TEST (NULL, g_snprintf (buf, 128, "%.3u", 5) == 3 && !strcmp (buf, "005"));
TEST (NULL, g_snprintf (buf, 128, "%5.3u", 5) == 5 && !strcmp (buf, " 005"));
/* %x, basic formatting */
TEST (NULL, g_snprintf (buf, 128, "%x", 5) == 1 && !strcmp (buf, "5"));
TEST (buf, g_snprintf (buf, 128, "%x", 31) == 2 && !strcmp (buf, "1f"));
TEST (NULL, g_snprintf (buf, 128, "%x", 0) == 1 && !strcmp (buf, "0"));
TEST (NULL, g_snprintf (buf, 128, "%.0x", 0) == 0 && !strcmp (buf, ""));
TEST (NULL, g_snprintf (buf, 128, "%.0x", 1) == 1 && !strcmp (buf, "1"));
TEST (NULL, g_snprintf (buf, 128, "%.3x", 5) == 3 && !strcmp (buf, "005"));
TEST (NULL, g_snprintf (buf, 128, "%.3x", 31) == 3 && !strcmp (buf, "01f"));
TEST (NULL, g_snprintf (buf, 128, "%5.3x", 5) == 5 && !strcmp (buf, " 005"));
/* %x, flags */
TEST (NULL, g_snprintf (buf, 128, "%-x", 5) == 1 && !strcmp (buf, "5"));
TEST (NULL, g_snprintf (buf, 128, "%03x", 5) == 3 && !strcmp (buf, "005"));
TEST (NULL, g_snprintf (buf, 128, "%#x", 31) == 4 && !strcmp (buf, "0x1f"));
TEST (NULL, g_snprintf (buf, 128, "%#x", 0) == 1 && !strcmp (buf, "0"));
/* %X, basic formatting */
TEST (NULL, g_snprintf (buf, 128, "%X", 5) == 1 && !strcmp (buf, "5"));
TEST (buf, g_snprintf (buf, 128, "%X", 31) == 2 && !strcmp (buf, "1F"));
TEST (NULL, g_snprintf (buf, 128, "%X", 0) == 1 && !strcmp (buf, "0"));
TEST (NULL, g_snprintf (buf, 128, "%.0X", 0) == 0 && !strcmp (buf, ""));
TEST (NULL, g_snprintf (buf, 128, "%.0X", 1) == 1 && !strcmp (buf, "1"));
TEST (NULL, g_snprintf (buf, 128, "%.3X", 5) == 3 && !strcmp (buf, "005"));
TEST (NULL, g_snprintf (buf, 128, "%.3X", 31) == 3 && !strcmp (buf, "01F"));
TEST (NULL, g_snprintf (buf, 128, "%5.3X", 5) == 5 && !strcmp (buf, " 005"));
/* %X, flags */
TEST (NULL, g_snprintf (buf, 128, "%-X", 5) == 1 && !strcmp (buf, "5"));
TEST (NULL, g_snprintf (buf, 128, "%03X", 5) == 3 && !strcmp (buf, "005"));
TEST (NULL, g_snprintf (buf, 128, "%#X", 31) == 4 && !strcmp (buf, "0X1F"));
TEST (NULL, g_snprintf (buf, 128, "%#X", 0) == 1 && !strcmp (buf, "0"));
/* %f, basic formattting */
TEST (NULL, g_snprintf (buf, 128, "%f", G_PI) == 8 && !strncmp (buf, "3.14159", 7));
TEST (NULL, g_snprintf (buf, 128, "%.8f", G_PI) == 10 && !strncmp (buf, "3.1415926", 9));
TEST (NULL, g_snprintf (buf, 128, "%.0f", G_PI) == 1 && !strcmp (buf, "3"));
/* %f, flags */
TEST (NULL, g_snprintf (buf, 128, "%+f", G_PI) == 9 && !strncmp (buf, "+3.14159", 8));
TEST (NULL, g_snprintf (buf, 128, "% f", G_PI) == 9 && !strncmp (buf, " 3.14159", 8));
TEST (NULL, g_snprintf (buf, 128, "%#.0f", G_PI) == 2 && !strcmp (buf, "3."));
TEST (NULL, g_snprintf (buf, 128, "%05.2f", G_PI) == 5 && !strcmp (buf, "03.14"));
/* %e, basic formatting */
/* for %e we can't expect to reproduce exact strings and lengths, since SUS
* only guarantees that the exponent shall always contain at least two
* digits. On Windows, it seems to be at least three digits long.
* Therefore, we compare the results of parsing the expected result and the
* actual result.
*/
TEST (buf, g_snprintf (buf, 128, "%e", G_PI) >= 12 && same_value (buf, "3.141593e+00"));
TEST (buf, g_snprintf (buf, 128, "%.8e", G_PI) >= 14 && same_value (buf, "3.14159265e+00"));
TEST (buf, g_snprintf (buf, 128, "%.0e", G_PI) >= 5 && same_value (buf, "3e+00"));
TEST (buf, g_snprintf (buf, 128, "%.1e", 0.0) >= 7 && same_value (buf, "0.0e+00"));
TEST (buf, g_snprintf (buf, 128, "%.1e", 0.00001) >= 7 && same_value (buf, "1.0e-05"));
TEST (buf, g_snprintf (buf, 128, "%.1e", 10000.0) >= 7 && same_value (buf, "1.0e+04"));
/* %e, flags */
TEST (buf, g_snprintf (buf, 128, "%+e", G_PI) >= 13 && same_value (buf, "+3.141593e+00"));
TEST (buf, g_snprintf (buf, 128, "% e", G_PI) >= 13 && same_value (buf, " 3.141593e+00"));
TEST (buf, g_snprintf (buf, 128, "%#.0e", G_PI) >= 6 && same_value (buf, "3.e+00"));
TEST (buf, g_snprintf (buf, 128, "%09.2e", G_PI) >= 9 && same_value (buf, "03.14e+00"));
/* %c */
TEST (NULL, g_snprintf (buf, 128, "%c", 'a') == 1 && !strcmp (buf, "a"));
/* %s */
TEST (NULL, g_snprintf (buf, 128, "%.2s", "abc") == 2 && !strcmp (buf, "ab"));
TEST (NULL, g_snprintf (buf, 128, "%.6s", "abc") == 3 && !strcmp (buf, "abc"));
TEST (NULL, g_snprintf (buf, 128, "%5s", "abc") == 5 && !strcmp (buf, " abc"));
TEST (NULL, g_snprintf (buf, 128, "%-5s", "abc") == 5 && !strcmp (buf, "abc "));
TEST (NULL, g_snprintf (buf, 128, "%5.2s", "abc") == 5 && !strcmp (buf, " ab"));
TEST (NULL, g_snprintf (buf, 128, "%*s", 5, "abc") == 5 && !strcmp (buf, " abc"));
TEST (NULL, g_snprintf (buf, 128, "%*s", -5, "abc") == 5 && !strcmp (buf, "abc "));
TEST (NULL, g_snprintf (buf, 128, "%*.*s", 5, 2, "abc") == 5 && !strcmp (buf, " ab"));
/* %n */
TEST (NULL, g_snprintf (buf, 128, "abc%n", &i) == 3 && !strcmp (buf, "abc") && i == 3);
TEST (NULL, g_snprintf (buf, 128, "abc%ln", &l) == 3 && !strcmp (buf, "abc") && l == 3);
/* %% */
TEST (NULL, g_snprintf (buf, 128, "%%") == 1 && !strcmp (buf, "%"));
/* positional parameters */
TEST (NULL, g_snprintf (buf, 128, "%2$c %1$c", 'b', 'a') == 3 && !strcmp (buf, "a b"));
TEST (NULL, g_snprintf (buf, 128, "%1$*2$.*3$s", "abc", 5, 2) == 5 && !strcmp (buf, " ab"));
TEST (NULL, g_snprintf (buf, 128, "%1$s%1$s", "abc") == 6 && !strcmp (buf, "abcabc"));
/* 64 bit support */
TEST (NULL, g_snprintf (buf, 128, "%" G_GINT64_FORMAT, (gint64)123456) == 6 && !strcmp (buf, "123456"));
TEST (NULL, g_snprintf (buf, 128, "%" G_GINT64_FORMAT, (gint64)-123456) == 7 && !strcmp (buf, "-123456"));
TEST (NULL, g_snprintf (buf, 128, "%" G_GUINT64_FORMAT, (guint64)123456) == 6 && !strcmp (buf, "123456"));
TEST (NULL, g_snprintf (buf, 128, "%" G_GINT64_MODIFIER "o", (gint64)123456) == 6 && !strcmp (buf, "361100"));
TEST (NULL, g_snprintf (buf, 128, "%#" G_GINT64_MODIFIER "o", (gint64)123456) == 7 && !strcmp (buf, "0361100"));
TEST (NULL, g_snprintf (buf, 128, "%" G_GINT64_MODIFIER "x", (gint64)123456) == 5 && !strcmp (buf, "1e240"));
TEST (NULL, g_snprintf (buf, 128, "%#" G_GINT64_MODIFIER "x", (gint64)123456) == 7 && !strcmp (buf, "0x1e240"));
TEST (NULL, g_snprintf (buf, 128, "%" G_GINT64_MODIFIER "X", (gint64)123456) == 5 && !strcmp (buf, "1E240"));
return any_failed;
}
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