From 84715851c03e31f5a69fcd521cbea3f0619f1459 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Wed, 22 Sep 2010 12:02:42 +0200 Subject: [PATCH] Tests for module 'memcasecmp'. * modules/memcasecmp-tests: New file. * tests/test-memcasecmp.c: New file, based on tests/test-memcmp.c. --- ChangeLog | 6 ++++ modules/memcasecmp-tests | 18 +++++++++++ tests/test-memcasecmp.c | 70 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 94 insertions(+) create mode 100644 modules/memcasecmp-tests create mode 100644 tests/test-memcasecmp.c diff --git a/ChangeLog b/ChangeLog index 59ffe26aef..5a23ff61cc 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2010-09-22 Bruno Haible + + Tests for module 'memcasecmp'. + * modules/memcasecmp-tests: New file. + * tests/test-memcasecmp.c: New file, based on tests/test-memcmp.c. + 2010-09-22 Paul Eggert * lib/pthread.in.h: Add split double-inclusion guard, and include diff --git a/modules/memcasecmp-tests b/modules/memcasecmp-tests new file mode 100644 index 0000000000..ecdf5d1882 --- /dev/null +++ b/modules/memcasecmp-tests @@ -0,0 +1,18 @@ +Files: +tests/test-memcasecmp.c +tests/zerosize-ptr.h +tests/macros.h +m4/mmap-anon.m4 + +Depends-on: +extensions +getpagesize + +configure.ac: +gl_FUNC_MMAP_ANON +AC_CHECK_HEADERS_ONCE([sys/mman.h]) +AC_CHECK_FUNCS_ONCE([mprotect]) + +Makefile.am: +TESTS += test-memcasecmp +check_PROGRAMS += test-memcasecmp diff --git a/tests/test-memcasecmp.c b/tests/test-memcasecmp.c new file mode 100644 index 0000000000..3f34839145 --- /dev/null +++ b/tests/test-memcasecmp.c @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2008-2010 Free Software Foundation, Inc. + * Written by Simon Josefsson and Bruno Haible + * + * 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 . */ + +#include + +#include "memcasecmp.h" + +#include + +#include "zerosize-ptr.h" +#include "macros.h" + +int +main (void) +{ + /* Test equal / not equal distinction. */ + ASSERT (memcasecmp (zerosize_ptr (), zerosize_ptr (), 0) == 0); + ASSERT (memcasecmp ("foo", "foobar", 2) == 0); + ASSERT (memcasecmp ("foo", "foobar", 3) == 0); + ASSERT (memcasecmp ("foo", "foobar", 4) != 0); + ASSERT (memcasecmp ("foo", "bar", 1) != 0); + ASSERT (memcasecmp ("foo", "bar", 3) != 0); + + /* Test less / equal / greater distinction. */ + ASSERT (memcasecmp ("foo", "moo", 4) < 0); + ASSERT (memcasecmp ("moo", "foo", 4) > 0); + ASSERT (memcasecmp ("oomph", "oops", 3) < 0); + ASSERT (memcasecmp ("oops", "oomph", 3) > 0); + ASSERT (memcasecmp ("foo", "foobar", 4) < 0); + ASSERT (memcasecmp ("foobar", "foo", 4) > 0); + + /* Test embedded NULs. */ + ASSERT (memcasecmp ("1\0", "2\0", 2) < 0); + ASSERT (memcasecmp ("2\0", "1\0", 2) > 0); + ASSERT (memcasecmp ("x\0""1", "x\0""2", 3) < 0); + ASSERT (memcasecmp ("x\0""2", "x\0""1", 3) > 0); + + /* The Next x86 OpenStep bug shows up only when comparing 16 bytes + or more and with at least one buffer not starting on a 4-byte boundary. + William Lewis provided this test program. */ + { + char foo[21]; + char bar[21]; + int i; + for (i = 0; i < 4; i++) + { + char *a = foo + i; + char *b = bar + i; + strcpy (a, "--------01111111"); + strcpy (b, "--------10000000"); + ASSERT (memcasecmp (a, b, 16) < 0); + } + } + + return 0; +} -- 2.30.2