Tests for module 'vprintf-posix'.

[gnulib.git] / tests / test-printf-posix.h

diff --git a/tests/test-printf-posix.h b/tests/test-printf-posix.h
new file mode 100644 (file)
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+++ b/tests/test-printf-posix.h
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+/* Test of POSIX compatible vsprintf() and sprintf() functions.
+   Copyright (C) 2007 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 2, 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, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
+
+static void
+test_function (int (*my_printf) (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_printf ("%ju %d\n", (uintmax_t) 12345671, 33, 44, 55);
+
+  my_printf ("%zu %d\n", (size_t) 12345672, 33, 44, 55);
+
+  my_printf ("%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_printf ("%a %d\n", 0.0, 33, 44, 55);
+
+  /* Negative zero.  */
+  my_printf ("%a %d\n", -0.0, 33, 44, 55);
+
+  /* Positive infinity.  */
+  my_printf ("%a %d\n", 1.0 / 0.0, 33, 44, 55);
+
+  /* Negative infinity.  */
+  my_printf ("%a %d\n", -1.0 / 0.0, 33, 44, 55);
+
+  /* NaN.  */
+  my_printf ("%a %d\n", 0.0 / 0.0, 33, 44, 55);
+
+  /* FLAG_ZERO with infinite number.  */
+  my_printf ("%010a %d\n", 1.0 / 0.0, 33, 44, 55);
+
+  /* FLAG_ZERO with NaN.  */
+  my_printf ("%010a %d\n", 0.0 / 0.0, 33, 44, 55);
+
+  /* Test the support of the POSIX/XSI format strings with positions.  */
+
+  my_printf ("%2$d %1$d\n", 33, 55);
+}