From patchwork Wed Aug 21 19:14:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 821541 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 93C5E16EB7B for ; Wed, 21 Aug 2024 19:15:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724267704; cv=none; b=fMD1SZnwa1PjEt4lRUJ0wujdzJEyda0IgdDi3E1ZEaVvSqYrPPrfqOygN6lNMGdRQPld3XAXQvxzY1rvpr8uOTgthhemo7IoQHr2wfCwDxT5SfYALIjGD8dAGpzoFHpzvzvzHSKziYE0YXMibpQ0KYy/VKh9azoRa52bWns7hQg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724267704; c=relaxed/simple; bh=M4PxTCQ6jyBM/K2D7FkO4ym9mO9TBb3cwyXDa0/+pnU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=WcnY+QjZIR3aBBBIZGOmEKyG5kJHtN6nXa55J4vPTDHaBpw6xnGAEQ5Vp5Q54a3oKlPQAAb/NUQkCV3KUZ8NIqbUUYo0CyRRW6XnUja+uKy5d7r59zQ/h0wdgBJ+tx6pskP948UDJlSP34OlUBxnxOT5Tf4w7+N3yQxg9lfh0FY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=TWXHm9TP; arc=none smtp.client-ip=198.175.65.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="TWXHm9TP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724267702; x=1755803702; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=M4PxTCQ6jyBM/K2D7FkO4ym9mO9TBb3cwyXDa0/+pnU=; b=TWXHm9TPTV542WKKB11wmYVZSChO4Spo6K38OrGkN1mlLrMZhFGcagnZ rbb/NqOV0kQMvv9gcROaCTTYFwihH76aonnBW+xhRbNHv7AOfO3aPLIZw 3TAjfUIlP2zLXdhlKhgcrrrcK3y/LleO6hUnKXw5X8cmldhFA/p1A1fGB xv9rzE3AxlDlaKT5odNaoLsckE8AOMnq2kkhHQP0xCRqn6E2TsVU2weKU DOklHyZE8Zp/Se/eH8wzgfksEmdXfRV9ZvDu0GtpHlkyB0HcIsuPZO5HR rq5s2VzFi85UOiNrTFoFa4Ev2Emk0p2Zi2bG6lXpZ7mn17Xv3MOjYVZiI w==; X-CSE-ConnectionGUID: IQ8FzJYGSJ6Pwy0tT/KXew== X-CSE-MsgGUID: TFM09fejQe+C5UlsFbEpWQ== X-IronPort-AV: E=McAfee;i="6700,10204,11171"; a="22802457" X-IronPort-AV: E=Sophos;i="6.10,164,1719903600"; d="scan'208";a="22802457" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Aug 2024 12:15:02 -0700 X-CSE-ConnectionGUID: F7FDX5CtRTqgWDODDIdHTg== X-CSE-MsgGUID: 4DyOkCd2SP6+mCSfBAIb1A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,164,1719903600"; d="scan'208";a="84357300" Received: from mwajdecz-mobl.ger.corp.intel.com ([10.246.19.248]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Aug 2024 12:15:00 -0700 From: Michal Wajdeczko To: linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com Cc: Michal Wajdeczko , David Gow , Rae Moar Subject: [PATCH 2/3] kunit: Improve format of the PTR_EQ|NE|NULL assertion Date: Wed, 21 Aug 2024 21:14:11 +0200 Message-Id: <20240821191412.2031-3-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20240821191412.2031-1-michal.wajdeczko@intel.com> References: <20240821191412.2031-1-michal.wajdeczko@intel.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Diagnostic message for failed KUNIT_ASSERT|EXPECT_PTR_EQ|NE|NULL shows only raw pointer value, like for this example: void *ptr1 = ERR_PTR(-ENOMEM); void *ptr2 = NULL; KUNIT_EXPECT_PTR_EQ(test, ptr1, ptr2); KUNIT_EXPECT_NULL(test, ptr1); we will get: [ ] Expected ptr1 == ptr2, but [ ] ptr1 == fffffffffffffff4 [ ] ptr2 == 0000000000000000 [ ] Expected ptr1 == ((void *)0), but [ ] ptr1 == ffffffffffffffe4 [ ] ((void *)0) == 0000000000000000 but we can improve this by detecting whether pointer was NULL or error, and use friendly error pointer format if possible: [ ] Expected ptr1 == ptr2, but [ ] ptr1 is -ENOMEM [ ] ptr2 is NULL [ ] Expected ptr1 == ((void *)0), but [ ] ptr1 is -ENOMEM [ ] ((void *)0) is NULL Signed-off-by: Michal Wajdeczko --- Cc: David Gow Cc: Rae Moar --- lib/kunit/assert.c | 28 ++++++++++++++++++++++------ 1 file changed, 22 insertions(+), 6 deletions(-) diff --git a/lib/kunit/assert.c b/lib/kunit/assert.c index 6e4333d0c6a0..8da89043b734 100644 --- a/lib/kunit/assert.c +++ b/lib/kunit/assert.c @@ -155,12 +155,28 @@ void kunit_binary_ptr_assert_format(const struct kunit_assert *assert, binary_assert->text->left_text, binary_assert->text->operation, binary_assert->text->right_text); - string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %px\n", - binary_assert->text->left_text, - binary_assert->left_value); - string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %px", - binary_assert->text->right_text, - binary_assert->right_value); + if (!binary_assert->left_value) + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s is NULL\n", + binary_assert->text->left_text); + else if (IS_ERR(binary_assert->left_value)) + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s is %pe\n", + binary_assert->text->left_text, + binary_assert->left_value); + else + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %px\n", + binary_assert->text->left_text, + binary_assert->left_value); + if (!binary_assert->right_value) + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s is NULL\n", + binary_assert->text->right_text); + else if (IS_ERR(binary_assert->right_value)) + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s is %pe\n", + binary_assert->text->right_text, + binary_assert->right_value); + else + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %px\n", + binary_assert->text->right_text, + binary_assert->right_value); kunit_assert_print_msg(message, stream); } EXPORT_SYMBOL_GPL(kunit_binary_ptr_assert_format);