From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AE303C19F2E for ; Thu, 27 Feb 2025 13:14:49 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6B27110EAD7; Thu, 27 Feb 2025 13:14:49 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=bootlin.com header.i=@bootlin.com header.b="CyAgJSpJ"; dkim-atps=neutral Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [217.70.183.195]) by gabe.freedesktop.org (Postfix) with ESMTPS id 938FC10EAD7 for ; Thu, 27 Feb 2025 13:14:48 +0000 (UTC) Received: by mail.gandi.net (Postfix) with ESMTPSA id 93C2520576; Thu, 27 Feb 2025 13:14:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1740662086; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=KThNhO7HpX3W7XG80UKM2IeUWPa8v3keY5ju3Nd2GK8=; b=CyAgJSpJTCl2+p4W94+GmApNT7m7IdeRFpt/fqG7z3qGvU+9LD0KQGEosUhkEz4TNBZ+r3 hr3GopYDYbiUd8yuO3OJJJJfWFvbVeQ+5m0dN/BI/BYpD7enXrvqD6K5pkGNrBLFknESOR nawgT9Z1qEH7JVldtFQAJiR6vFlN+dY1bth4Peo4WEa20+c/VO+bgigkUUsLrXHXUhStkt saB7ImXp14K6usKSyckozrYeXE3IS1QzeLG2lKWM5mavtTzhgPvPvBxVnEVVc2mYoqYTe7 qgRFHlbJEnhVhT2IzdRls6hl5jlvHZ1Nd/gs4VLruy8rzY42DR7Cs6/B27iVuw== Message-ID: Date: Thu, 27 Feb 2025 14:14:46 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Louis Chauvet Subject: Re: [PATCH i-g-t 06/39] tests/vkms_configfs: Test device invalid values To: =?UTF-8?B?Sm9zw6kgRXhww7NzaXRv?= , igt-dev@lists.freedesktop.org References: <20250218165011.9123-1-jose.exposito89@gmail.com> <20250218165011.9123-7-jose.exposito89@gmail.com> Content-Language: en-US Autocrypt: addr=louis.chauvet@bootlin.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdekjeehhecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepkfffgggfhffuvfhfjggtgfesthekredttddvjeenucfhrhhomhepnfhouhhishcuvehhrghuvhgvthcuoehlohhuihhsrdgthhgruhhvvghtsegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeeghffhiefgueekleetieehjeefffeiudfgtdehteekvdetjeetvdfhffetteevueenucffohhmrghinhepsghoohhtlhhinhdrtghomhenucfkphepledtrdekledrudeifedruddvjeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpeeltddrkeelrdduieefrdduvdejpdhhvghloheplgduledvrdduieekrddtrddvtdgnpdhmrghilhhfrhhomheplhhouhhishdrtghhrghuvhgvthessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepvddprhgtphhtthhopehjohhsvgdrvgigphhoshhithhokeelsehgmhgrihhlrdgtohhmpdhrtghpthhtohepihhgthdquggvvheslhhishhtshdrfhhrvggvuggvshhkthhophdrohhrgh X-GND-Sasl: louis.chauvet@bootlin.com X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Le 18/02/2025 à 17:49, José Expósito a écrit : > For a VKMS device, it is only possible to set invalid values in two > places: > > - The device name: The "vkms" name is reserved for the default device > created by the driver. > - The device enabled status: It should only accept boolean values. > > Test that setting wrong values fails and that the device is not > accidentally enabled. > > Signed-off-by: José Expósito > --- > tests/vkms/vkms_configfs.c | 60 ++++++++++++++++++++++++++++++++++++++ > 1 file changed, 60 insertions(+) > > diff --git a/tests/vkms/vkms_configfs.c b/tests/vkms/vkms_configfs.c > index 6c7d0310c..79023359a 100644 > --- a/tests/vkms/vkms_configfs.c > +++ b/tests/vkms/vkms_configfs.c > @@ -24,6 +24,11 @@ > #include "igt.h" > #include "igt_vkms.h" > > +struct invalid_value { > + const char *value; > + int size; > +}; > + > static void assert_default_files(const char *path, > const char **files, size_t n_files, > const char **dirs, size_t n_dirs) > @@ -63,6 +68,32 @@ static void assert_default_files(const char *path, > } > } > > +static void assert_wrong_bool_values(const char *path) > +{ > + struct invalid_value invalid_bool_values[] = { > + { "", 0 }, > + { "\0", 1 }, > + { "-1", 2 }, > + { "2", 1 }, > + { "o", 1 }, > + { "invalid", 8 }, > + }; > + int fd; > + int ret; > + > + for (int i = 0; i < ARRAY_SIZE(invalid_bool_values); i++) { > + struct invalid_value v = invalid_bool_values[i]; > + > + fd = open(path, O_WRONLY); > + igt_assert_f(fd >= 0, "Error opening '%s'\n", path); > + > + ret = write(fd, v.value, v.size); > + igt_assert(ret <= 0); Can you add some information about the attempted value: "Invalid success write of %s in the file %s", v.value, path > + > + close(fd); > + } > +} > + > /** > * SUBTEST: device-default-files > * Description: Test that creating a VKMS device creates the default files and > @@ -111,6 +142,34 @@ static void test_device_default_values(void) > igt_vkms_device_destroy(dev); > } > > +/** > + * SUBTEST: device-wrong-values > + * Description: Check that setting unexpected values doesn't work. > + */ > + > +static void test_device_wrong_values(void) > +{ > + igt_vkms_t *dev; > + char path[PATH_MAX]; > + > + /* It is not possible to create devices named "vkms" to avoid clashes > + * with the default device created by VKMS > + */ > + dev = igt_vkms_device_create("vkms"); > + igt_assert(!dev); > + > + /* Test invalid values for "enabled" */ > + dev = igt_vkms_device_create(__func__); Good idea to name the device from the function! > + igt_assert(dev); > + > + snprintf(path, sizeof(path), "%s/enabled", dev->path); > + > + assert_wrong_bool_values(path); > + igt_assert(!igt_vkms_device_is_enabled(dev)); > + > + igt_vkms_device_destroy(dev); > +} > + > igt_main > { > struct { > @@ -119,6 +178,7 @@ igt_main > } tests[] = { > { "device-default-files", test_device_default_files }, > { "device-default-values", test_device_default_values }, > + { "device-wrong-values", test_device_wrong_values }, > }; > > igt_fixture { -- Louis Chauvet, Bootlin Embedded Linux and Kernel engineering https://bootlin.com