X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-dprintf-posix.c;fp=tests%2Ftest-dprintf-posix.c;h=c8eb3f58322804efb2b1b88b358a9abb58db0b49;hb=d200156fc3c54bb24a2fbbe45ec299c6ca348283;hp=0000000000000000000000000000000000000000;hpb=bad6928fe426d5e31de71516a5a48286c6267824;p=gnulib.git
diff --git a/tests/test-dprintf-posix.c b/tests/test-dprintf-posix.c
new file mode 100644
index 000000000..c8eb3f583
--- /dev/null
+++ b/tests/test-dprintf-posix.c
@@ -0,0 +1,179 @@
+/* Test of POSIX compatible dprintf() function.
+ 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
+ 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
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ 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, see . */
+
+/* Written by Bruno Haible , 2009. */
+
+#include
+
+#include
+
+#include
+#include
+#include
+#include
+
+#define ASSERT(expr) \
+ do \
+ { \
+ if (!(expr)) \
+ { \
+ fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+ fflush (stderr); \
+ abort (); \
+ } \
+ } \
+ while (0)
+
+static void
+test_function (int (*my_dprintf) (int, const char *, ...))
+{
+ /* Here we don't test output that may be platform dependent.
+ The bulk of the tests is done as part of the 'vasnprintf-posix' module. */
+
+ /* Test support of size specifiers as in C99. */
+
+ my_dprintf (fileno (stdout), "%ju %d\n", (uintmax_t) 12345671, 33, 44, 55);
+
+ my_dprintf (fileno (stdout), "%zu %d\n", (size_t) 12345672, 33, 44, 55);
+
+ my_dprintf (fileno (stdout), "%tu %d\n", (ptrdiff_t) 12345673, 33, 44, 55);
+
+ /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
+ output of floating-point numbers. */
+
+ /* Positive zero. */
+ my_dprintf (fileno (stdout), "%a %d\n", 0.0, 33, 44, 55);
+
+ /* Positive infinity. */
+ my_dprintf (fileno (stdout), "%a %d\n", 1.0 / 0.0, 33, 44, 55);
+
+ /* Negative infinity. */
+ my_dprintf (fileno (stdout), "%a %d\n", -1.0 / 0.0, 33, 44, 55);
+
+ /* FLAG_ZERO with infinite number. */
+ my_dprintf (fileno (stdout), "%010a %d\n", 1.0 / 0.0, 33, 44, 55);
+
+ /* Test the support of the %f format directive. */
+
+ /* A positive number. */
+ my_dprintf (fileno (stdout), "%f %d\n", 12.75, 33, 44, 55);
+
+ /* A larger positive number. */
+ my_dprintf (fileno (stdout), "%f %d\n", 1234567.0, 33, 44, 55);
+
+ /* A negative number. */
+ my_dprintf (fileno (stdout), "%f %d\n", -0.03125, 33, 44, 55);
+
+ /* Positive zero. */
+ my_dprintf (fileno (stdout), "%f %d\n", 0.0, 33, 44, 55);
+
+ /* FLAG_ZERO. */
+ my_dprintf (fileno (stdout), "%015f %d\n", 1234.0, 33, 44, 55);
+
+ /* Precision. */
+ my_dprintf (fileno (stdout), "%.f %d\n", 1234.0, 33, 44, 55);
+
+ /* Precision with no rounding. */
+ my_dprintf (fileno (stdout), "%.2f %d\n", 999.95, 33, 44, 55);
+
+ /* Precision with rounding. */
+ my_dprintf (fileno (stdout), "%.2f %d\n", 999.996, 33, 44, 55);
+
+ /* A positive number. */
+ my_dprintf (fileno (stdout), "%Lf %d\n", 12.75L, 33, 44, 55);
+
+ /* A larger positive number. */
+ my_dprintf (fileno (stdout), "%Lf %d\n", 1234567.0L, 33, 44, 55);
+
+ /* A negative number. */
+ my_dprintf (fileno (stdout), "%Lf %d\n", -0.03125L, 33, 44, 55);
+
+ /* Positive zero. */
+ my_dprintf (fileno (stdout), "%Lf %d\n", 0.0L, 33, 44, 55);
+
+ /* FLAG_ZERO. */
+ my_dprintf (fileno (stdout), "%015Lf %d\n", 1234.0L, 33, 44, 55);
+
+ /* Precision. */
+ my_dprintf (fileno (stdout), "%.Lf %d\n", 1234.0L, 33, 44, 55);
+
+ /* Precision with no rounding. */
+ my_dprintf (fileno (stdout), "%.2Lf %d\n", 999.95L, 33, 44, 55);
+
+ /* Precision with rounding. */
+ my_dprintf (fileno (stdout), "%.2Lf %d\n", 999.996L, 33, 44, 55);
+
+ /* Test the support of the %F format directive. */
+
+ /* A positive number. */
+ my_dprintf (fileno (stdout), "%F %d\n", 12.75, 33, 44, 55);
+
+ /* A larger positive number. */
+ my_dprintf (fileno (stdout), "%F %d\n", 1234567.0, 33, 44, 55);
+
+ /* A negative number. */
+ my_dprintf (fileno (stdout), "%F %d\n", -0.03125, 33, 44, 55);
+
+ /* Positive zero. */
+ my_dprintf (fileno (stdout), "%F %d\n", 0.0, 33, 44, 55);
+
+ /* FLAG_ZERO. */
+ my_dprintf (fileno (stdout), "%015F %d\n", 1234.0, 33, 44, 55);
+
+ /* Precision. */
+ my_dprintf (fileno (stdout), "%.F %d\n", 1234.0, 33, 44, 55);
+
+ /* Precision with no rounding. */
+ my_dprintf (fileno (stdout), "%.2F %d\n", 999.95, 33, 44, 55);
+
+ /* Precision with rounding. */
+ my_dprintf (fileno (stdout), "%.2F %d\n", 999.996, 33, 44, 55);
+
+ /* A positive number. */
+ my_dprintf (fileno (stdout), "%LF %d\n", 12.75L, 33, 44, 55);
+
+ /* A larger positive number. */
+ my_dprintf (fileno (stdout), "%LF %d\n", 1234567.0L, 33, 44, 55);
+
+ /* A negative number. */
+ my_dprintf (fileno (stdout), "%LF %d\n", -0.03125L, 33, 44, 55);
+
+ /* Positive zero. */
+ my_dprintf (fileno (stdout), "%LF %d\n", 0.0L, 33, 44, 55);
+
+ /* FLAG_ZERO. */
+ my_dprintf (fileno (stdout), "%015LF %d\n", 1234.0L, 33, 44, 55);
+
+ /* Precision. */
+ my_dprintf (fileno (stdout), "%.LF %d\n", 1234.0L, 33, 44, 55);
+
+ /* Precision with no rounding. */
+ my_dprintf (fileno (stdout), "%.2LF %d\n", 999.95L, 33, 44, 55);
+
+ /* Precision with rounding. */
+ my_dprintf (fileno (stdout), "%.2LF %d\n", 999.996L, 33, 44, 55);
+
+ /* Test the support of the POSIX/XSI format strings with positions. */
+
+ my_dprintf (fileno (stdout), "%2$d %1$d\n", 33, 55);
+}
+
+int
+main (int argc, char *argv[])
+{
+ test_function (dprintf);
+ return 0;
+}