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Thu, 10 Dec 2020 11:15:18 -0500 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-324-eL7DjK7VN7msli7EatUP8Q-1; Thu, 10 Dec 2020 11:14:56 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BD7581005513; Thu, 10 Dec 2020 16:14:55 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-103.ams2.redhat.com [10.36.112.103]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8D8441002388; Thu, 10 Dec 2020 16:14:55 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 81F5F10FA0A7; Thu, 10 Dec 2020 17:14:52 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607616898; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=T1eQNMQIdNN5bzE208jYoemEsZ10JBeNTxKm962RAgE=; b=gWqVcI/oq2kebtpCHnxWCc2lnyA/yz7jV1KV3iUCv0CEQ5IQjBnlY/RuucdLEojSgv+RaO nDCU70qWEa5iyjEiIvVPkuzzbSxb0I0HAJWa7lWbIabYG10peLcVQXKERKvxibEqkDM/j/ PPpvFzkgrqBjEZzWnR+EJgsKVkdjQL8= X-MC-Unique: eL7DjK7VN7msli7EatUP8Q-1 From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH 05/10] tests/check-qnum: Cover qnum_to_string() for "unround" argument Date: Thu, 10 Dec 2020 17:14:47 +0100 Message-Id: <20201210161452.2813491-6-armbru@redhat.com> In-Reply-To: <20201210161452.2813491-1-armbru@redhat.com> References: <20201210161452.2813491-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mdroth@linux.vnet.ibm.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" qnum_to_string() has a FIXME comment about rounding errors due to insufficient precision. Cover it: 2.718281828459045 gets converted to "2.718282". The next commit will fix it. Signed-off-by: Markus Armbruster --- tests/check-qnum.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tests/check-qnum.c b/tests/check-qnum.c index 4105015872..a73809d021 100644 --- a/tests/check-qnum.c +++ b/tests/check-qnum.c @@ -150,6 +150,12 @@ static void qnum_to_string_test(void) g_assert_cmpstr(tmp, =3D=3D, "0.42"); g_free(tmp); qobject_unref(qn); + + qn =3D qnum_from_double(2.718281828459045); + tmp =3D qnum_to_string(qn); + g_assert_cmpstr(tmp, =3D=3D, "2.718282"); /* BUG */ + g_free(tmp); + qobject_unref(qn); } =20 int main(int argc, char **argv) --=20 2.26.2