From owner-svn-src-all@freebsd.org Sun Mar 6 18:41:50 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 373A2AC03B8; Sun, 6 Mar 2016 18:41:50 +0000 (UTC) (envelope-from jilles@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id E97971ACA; Sun, 6 Mar 2016 18:41:49 +0000 (UTC) (envelope-from jilles@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u26Ifmct086260; Sun, 6 Mar 2016 18:41:48 GMT (envelope-from jilles@FreeBSD.org) Received: (from jilles@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u26Ifmnm086258; Sun, 6 Mar 2016 18:41:48 GMT (envelope-from jilles@FreeBSD.org) Message-Id: <201603061841.u26Ifmnm086258@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jilles set sender to jilles@FreeBSD.org using -f From: Jilles Tjoelker Date: Sun, 6 Mar 2016 18:41:48 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r296434 - head/lib/libc/tests/string X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Mar 2016 18:41:50 -0000 Author: jilles Date: Sun Mar 6 18:41:48 2016 New Revision: 296434 URL: https://svnweb.freebsd.org/changeset/base/296434 Log: libc: Add some tests for memcmp(). Added: head/lib/libc/tests/string/memcmp_test.c (contents, props changed) Modified: head/lib/libc/tests/string/Makefile Modified: head/lib/libc/tests/string/Makefile ============================================================================== --- head/lib/libc/tests/string/Makefile Sun Mar 6 18:40:02 2016 (r296433) +++ head/lib/libc/tests/string/Makefile Sun Mar 6 18:41:48 2016 (r296434) @@ -1,5 +1,6 @@ # $FreeBSD$ +ATF_TESTS_C+= memcmp_test ATF_TESTS_C+= stpncpy_test ATF_TESTS_C+= strerror2_test ATF_TESTS_C+= wcscasecmp_test Added: head/lib/libc/tests/string/memcmp_test.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/lib/libc/tests/string/memcmp_test.c Sun Mar 6 18:41:48 2016 (r296434) @@ -0,0 +1,124 @@ +/*- + * Copyright (c) 2016 Jilles Tjoelker + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +__FBSDID("$FreeBSD$"); + +#include +#include +#include +#include + +#include + +ATF_TC_WITHOUT_HEAD(zero); +ATF_TC_BODY(zero, tc) +{ + + assert(memcmp("a", "b", 0) == 0); + assert(memcmp("", "", 0) == 0); +} + +ATF_TC_WITHOUT_HEAD(eq); +ATF_TC_BODY(eq, tc) +{ + unsigned char data1[256], data2[256]; + int i; + + for (i = 0; i < 256; i++) + data1[i] = data2[i] = i ^ 0x55; + for (i = 1; i < 256; i++) + assert(memcmp(data1, data2, i) == 0); + for (i = 1; i < 256; i++) + assert(memcmp(data1 + i, data2 + i, 256 - i) == 0); +} + +ATF_TC_WITHOUT_HEAD(neq); +ATF_TC_BODY(neq, tc) +{ + unsigned char data1[256], data2[256]; + int i; + + for (i = 0; i < 256; i++) { + data1[i] = i; + data2[i] = i ^ 0x55; + } + for (i = 1; i < 256; i++) + assert(memcmp(data1, data2, i) != 0); + for (i = 1; i < 256; i++) + assert(memcmp(data1 + i, data2 + i, 256 - i) != 0); +} + +ATF_TC_WITHOUT_HEAD(diff); +ATF_TC_BODY(diff, tc) +{ + unsigned char data1[256], data2[256]; + int i; + + memset(data1, 'a', sizeof(data1)); + memset(data2, 'a', sizeof(data2)); + data1[128] = 255; + data2[128] = 0; + for (i = 1; i < 66; i++) { + assert(memcmp(data1 + 128, data2 + 128, i) == 255); + assert(memcmp(data2 + 128, data1 + 128, i) == -255); + assert(memcmp(data1 + 129 - i, data2 + 129 - i, i) == 255); + assert(memcmp(data2 + 129 - i, data1 + 129 - i, i) == -255); + assert(memcmp(data1 + 129 - i, data2 + 129 - i, i * 2) == 255); + assert(memcmp(data2 + 129 - i, data1 + 129 - i, i * 2) == -255); + } + data1[128] = 'c'; + data2[128] = 'e'; + for (i = 1; i < 66; i++) { + assert(memcmp(data1 + 128, data2 + 128, i) == -2); + assert(memcmp(data2 + 128, data1 + 128, i) == 2); + assert(memcmp(data1 + 129 - i, data2 + 129 - i, i) == -2); + assert(memcmp(data2 + 129 - i, data1 + 129 - i, i) == 2); + assert(memcmp(data1 + 129 - i, data2 + 129 - i, i * 2) == -2); + assert(memcmp(data2 + 129 - i, data1 + 129 - i, i * 2) == 2); + } + memset(data1 + 129, 'A', sizeof(data1) - 129); + memset(data2 + 129, 'Z', sizeof(data2) - 129); + for (i = 1; i < 66; i++) { + assert(memcmp(data1 + 128, data2 + 128, i) == -2); + assert(memcmp(data2 + 128, data1 + 128, i) == 2); + assert(memcmp(data1 + 129 - i, data2 + 129 - i, i) == -2); + assert(memcmp(data2 + 129 - i, data1 + 129 - i, i) == 2); + assert(memcmp(data1 + 129 - i, data2 + 129 - i, i * 2) == -2); + assert(memcmp(data2 + 129 - i, data1 + 129 - i, i * 2) == 2); + } +} + +ATF_TP_ADD_TCS(tp) +{ + + ATF_TP_ADD_TC(tp, zero); + ATF_TP_ADD_TC(tp, eq); + ATF_TP_ADD_TC(tp, neq); + ATF_TP_ADD_TC(tp, diff); + + return (atf_no_error()); +}