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[2001:8b0:bf73:93f7::51bb:e332]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-429ed6593casm120529175e9.28.2024.08.19.14.35.19 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Aug 2024 14:35:19 -0700 (PDT) Received: from jsm28 (helo=localhost) by digraph.polyomino.org.uk with local-esmtp (Exim 4.95) (envelope-from ) id 1sgA22-00FKpc-1c for libc-alpha@sourceware.org; Mon, 19 Aug 2024 21:35:18 +0000 Date: Mon, 19 Aug 2024 21:35:18 +0000 (UTC) From: Joseph Myers To: libc-alpha@sourceware.org Subject: Add tests of more strtod special cases Message-ID: <445d863a-ce-d69e-4334-86efbd1b38cf@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-9.1 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org There is very little test coverage of inputs to strtod-family functions that don't contain anything that can be parsed as a number (one test of ".y" in tst-strtod2), and none that I can see of skipping initial whitespace. Add some tests of these things to tst-strtod2. Tested for x86_64. --- This test is relative to a tree with and (pending review) applied. diff --git a/stdlib/tst-strtod2.c b/stdlib/tst-strtod2.c index c84bd792c1..d00bc13323 100644 --- a/stdlib/tst-strtod2.c +++ b/stdlib/tst-strtod2.c @@ -31,6 +31,20 @@ struct test_strto ## FSUF \ { "0x1px", 1.0 ## LSUF, 3 }, \ { "0x1p+x", 1.0 ## LSUF, 3 }, \ { "0x1p-x", 1.0 ## LSUF, 3 }, \ + { "", 0.0 ## LSUF, 0 }, \ + { ".", 0.0 ## LSUF, 0 }, \ + { "-", 0.0 ## LSUF, 0 }, \ + { "-.", 0.0 ## LSUF, 0 }, \ + { ".e", 0.0 ## LSUF, 0 }, \ + { "-.e", 0.0 ## LSUF, 0 }, \ + { " \t", 0.0 ## LSUF, 0 }, \ + { " \t.", 0.0 ## LSUF, 0 }, \ + { " \t-", 0.0 ## LSUF, 0 }, \ + { " \t-.", 0.0 ## LSUF, 0 }, \ + { " \t.e", 0.0 ## LSUF, 0 }, \ + { " \t-.e", 0.0 ## LSUF, 0 }, \ + { " \t\f\r\n\v1", 1.0 ## LSUF, 7 }, \ + { " \t\f\r\n\v-1.5e2", -150.0 ## LSUF, 12 }, \ { "INFx", INFINITY, 3 }, \ { "infx", INFINITY, 3 }, \ { "INFINITx", INFINITY, 3 }, \