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[76.191.17.161]) by smtp.googlemail.com with ESMTPSA id c22-20020a5ea816000000b00649d360663asm529227ioa.40.2022.03.23.15.02.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Mar 2022 15:02:07 -0700 (PDT) To: libc-alpha@sourceware.org Subject: [PATCH v1 20/23] string: Expand page cross test cases in test-strncmp.c Date: Wed, 23 Mar 2022 16:57:40 -0500 Message-Id: <20220323215734.3927131-20-goldstein.w.n@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220323215734.3927131-1-goldstein.w.n@gmail.com> References: <20220323215734.3927131-1-goldstein.w.n@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-12.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) 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-Patchwork-Original-From: Noah Goldstein via Libc-alpha From: Noah Goldstein Reply-To: Noah Goldstein Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" Test cases for when both `s1` and `s2` are near the end of a page where previously missing. Reviewed-by: H.J. Lu --- string/test-strncmp.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) diff --git a/string/test-strncmp.c b/string/test-strncmp.c index 1a87f0e73e..bba9e3d2dc 100644 --- a/string/test-strncmp.c +++ b/string/test-strncmp.c @@ -573,7 +573,7 @@ check_overflow (void) int test_main (void) { - size_t i, j; + size_t i, j, k; const size_t test_len = MIN(TEST_LEN, 3 * 4096); test_init (); @@ -705,6 +705,31 @@ test_main (void) do_test_n (j, getpagesize () - j - 1, i, ULONG_MAX - i, 0, 127, 0); do_test_n (j, getpagesize () - j - 1, i, ULONG_MAX - i, 0, 127, 1); do_test_n (j, getpagesize () - j - 1, i, ULONG_MAX - i, 0, 127, -1); + + for (k = 2; k <= 128; k += k) + { + do_test (getpagesize () - k, getpagesize () - j - 1, i - 1, i, + 127, 0); + do_test (getpagesize () - k - 1, getpagesize () - j - 1, i - 1, + i, 127, 0); + do_test (getpagesize () - k, getpagesize () - j - 1, i + 1, i, + 127, 0); + do_test (getpagesize () - k - 1, getpagesize () - j - 1, i + 1, + i, 127, 0); + do_test (getpagesize () - k, getpagesize () - j - 1, i, i, 127, + 0); + do_test (getpagesize () - k - 1, getpagesize () - j - 1, i, i, + 127, 0); + do_test (getpagesize () - k, getpagesize () - j - 1, i + 1, i, + 127, -1); + do_test (getpagesize () - k - 1, getpagesize () - j - 1, i + 1, + i, 127, -1); + do_test (getpagesize () - k, getpagesize () - j - 1, i + 1, i, + 127, 1); + do_test (getpagesize () - k - 1, getpagesize () - j - 1, i + 1, + i, 127, 1); + } + if (i < 32) { i += 1;