From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by sourceware.org (Postfix) with ESMTPS id 2698D3854812 for ; Wed, 2 Jun 2021 21:00:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 2698D3854812 IronPort-SDR: YCgT1/O44kcysqH/kWtt96RfMqursWK4tObKdr7eVPGocvpL5mUlqaJ5gyPJ1yHnxkm1YOOd63 a20ZSHFHu2sQ== X-IronPort-AV: E=McAfee;i="6200,9189,10003"; a="183576017" X-IronPort-AV: E=Sophos;i="5.83,242,1616482800"; d="scan'208";a="183576017" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jun 2021 14:00:22 -0700 IronPort-SDR: 03spLDXwfi8E2r2bUahsM/JSO+DpzMhVzG5+hfdC9dA76taAUn7WIpc5+rcuVEd2Njxz2X1C8Q U816eZOFQl2Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.83,242,1616482800"; d="scan'208";a="633382730" Received: from scymds02.sc.intel.com ([10.82.73.244]) by fmsmga006.fm.intel.com with ESMTP; 02 Jun 2021 14:00:22 -0700 Received: from gskx-1.sc.intel.com (gskx-1.sc.intel.com [172.25.149.211]) by scymds02.sc.intel.com with ESMTP id 152L0MxT020770; Wed, 2 Jun 2021 14:00:22 -0700 From: Sunil K Pandey To: libc-alpha@sourceware.org Subject: [PATCH v2] Improve test coverage of strnlen function Date: Wed, 2 Jun 2021 14:00:22 -0700 Message-Id: <20210602210022.1091086-1-skpgkp2@gmail.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-5.7 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, FORGED_GMAIL_RCVD, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, GIT_PATCH_0, HK_RANDOM_ENVFROM, HK_RANDOM_FROM, KAM_DMARC_NONE, KAM_DMARC_STATUS, NML_ADSP_CUSTOM_MED, SPF_HELO_PASS, SPF_SOFTFAIL, SPOOFED_FREEMAIL, SPOOF_GMAIL_MID, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Jun 2021 21:00:26 -0000 This patch covers the following condition: Strings start with different alignments and end with length less than or equal to 512 byte. --- string/test-strnlen.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/string/test-strnlen.c b/string/test-strnlen.c index d70faa26ab..fc2519614f 100644 --- a/string/test-strnlen.c +++ b/string/test-strnlen.c @@ -271,6 +271,15 @@ test_main (void) do_test (1, 1 << i, 5000, BIG_CHAR); } + size_t pagesize = getpagesize () / sizeof (CHAR); + + for (i = 0; i <= 127; i++) + for (size_t length = i; length <= 512; length++) + { + do_test (i, length, 512, BIG_CHAR); + do_test (pagesize - i, length, 512, BIG_CHAR); + } + do_random_tests (); do_page_tests (); do_page_2_tests (); -- 2.31.1