From 400925d81cc92de52efe6cad6dcc33794262119c Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Tue, 14 Feb 2006 02:48:22 +0000 Subject: grab a bunch of tests from glibc --- test/string/tst-bswap.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 test/string/tst-bswap.c (limited to 'test/string/tst-bswap.c') diff --git a/test/string/tst-bswap.c b/test/string/tst-bswap.c new file mode 100644 index 000000000..b2b4ef08d --- /dev/null +++ b/test/string/tst-bswap.c @@ -0,0 +1,74 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper . + + The GNU C 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 2.1 of the License, or (at your option) any later version. + + The GNU C 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 the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include + +extern unsigned long long int wash (unsigned long long int a); + +int +main (void) +{ + int result = 0; + + /* Test the functions with constant arguments. */ + if (bswap_16 (0x1234) != 0x3412) + { + puts ("bswap_16 (constant) flunked"); + result = 1; + } + if (bswap_32 (0x12345678) != 0x78563412) + { + puts ("bswap_32 (constant) flunked"); + result = 1; + } + if (bswap_64 (0x1234567890abcdefULL) != 0xefcdab9078563412ULL) + { + puts ("bswap_64 (constant) flunked"); + result = 1; + } + + /* Test the functions with non-constant arguments. */ + if (bswap_16 (wash (0x1234)) != 0x3412) + { + puts ("bswap_16 (non-constant) flunked"); + result = 1; + } + if (bswap_32 (wash (0x12345678)) != 0x78563412) + { + puts ("bswap_32 (non-constant) flunked"); + result = 1; + } + if (bswap_64 (wash (0x1234567890abcdefULL)) != 0xefcdab9078563412ULL) + { + puts ("bswap_64 (non-constant) flunked"); + result = 1; + } + + return result; +} + + +unsigned long long int +wash (unsigned long long int a) +{ + /* Do nothing. This function simply exists to avoid that the compiler + regards the argument to the bswap_*() functions as constant. */ + return a + 0; +} -- cgit v1.2.3