From patchwork Mon Nov 16 05:41:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arpitha Raghunandan <98.arpi@gmail.com> X-Patchwork-Id: 1400654 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-ext4-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=qygZstds; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CZHzw4ZB3z9sTL for ; Mon, 16 Nov 2020 16:43:24 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726359AbgKPFm3 (ORCPT ); Mon, 16 Nov 2020 00:42:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725300AbgKPFm3 (ORCPT ); Mon, 16 Nov 2020 00:42:29 -0500 Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14BA5C0613CF; Sun, 15 Nov 2020 21:42:28 -0800 (PST) Received: by mail-pl1-x644.google.com with SMTP id 35so3706488ple.12; Sun, 15 Nov 2020 21:42:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=JvBDzmZb6vZCHjnko71GYI6zLHOjPymbNBV7fgs8wm8=; b=qygZstds6rKXAo5O3oZavyKulbUB2FJvSsvG+JAFCLWU8Ka7Q91O7ryAvXzPFkMXYV U7oV34ngrXRFzh2rPXFxd0UUeii3UOBv1DsGobqCMYEUZVKTVVlZWikpcauflghBcki1 bbRhIxrzpb3Bv2eXOGdEKElCwpjov2LeWv+ZxL4aDyFC9+FzBAt5wFVBSupo4wfQv+YI 4kpAx2rXY8OvvTtekN2hSw9JrhQd5wP5b7Jg9yL/nqiw2XU14iLDdWNisHqZP5oibCXL FSP6XyjR79+6otkyNZf6SWE4b9OxekqSf00mcgYTrMcruVASvE12j+ymPIEjxoKpf0PK P2kQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=JvBDzmZb6vZCHjnko71GYI6zLHOjPymbNBV7fgs8wm8=; b=UwzjonYXKIv3P7Lg2VJbEKuRbXm7bLvRCFDqYFFdUh6ZsnJqmmMnG6WXV8PEO6AhoZ asaGQ+dPZBnrRTtijya5b5pWYcNakbC6xl7+3hrXA5oYw5WpuPM2Jc7TeYdJFlIx26EU vDzc2etVjGFost0UpoxQ4WLHpnZrP77RCKxzE73R9wBBYaYgEWPQiygPt5wK5tDFewpf 6c+85HrCUwKEBxBtYOqUIzmNdG/qw5HPdgiY+AhmyUwWFRlyIfgCN6fs0SLzdKGK+LU4 /5l59WsUsOdWG/wjdt6ows3e0wn5nZD5QJSWMFErT5w4GF03YPvb5lc0izCR35UWdibF eIjw== X-Gm-Message-State: AOAM5334SOZOjcEgyEj5DS9Kttiaxli2C8FmehlTJZ+h2zi9oiml6r5r NcpzE9jTbCxvb5tCVyQ71Oc= X-Google-Smtp-Source: ABdhPJwi3ZS7kW3wzWjMHH3DlRm/jSYvcttno2ZjPLpQvSyMLIAthWqfufIYrNc7stn50POXJr3XRg== X-Received: by 2002:a17:902:8ec7:b029:d8:e603:304c with SMTP id x7-20020a1709028ec7b02900d8e603304cmr5332514plo.85.1605505347534; Sun, 15 Nov 2020 21:42:27 -0800 (PST) Received: from arpitha-Inspiron-7570.lan ([106.51.140.48]) by smtp.gmail.com with ESMTPSA id s18sm14807987pgh.60.2020.11.15.21.42.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 15 Nov 2020 21:42:26 -0800 (PST) From: Arpitha Raghunandan <98.arpi@gmail.com> To: brendanhiggins@google.com, skhan@linuxfoundation.org, elver@google.com, yzaikin@google.com, tytso@mit.edu, adilger.kernel@dilger.ca, Tim.Bird@sony.com, davidgow@google.com Cc: Arpitha Raghunandan <98.arpi@gmail.com>, linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, linux-ext4@vger.kernel.org Subject: [PATCH v9 2/2] fs: ext4: Modify inode-test.c to use KUnit parameterized testing feature Date: Mon, 16 Nov 2020 11:11:50 +0530 Message-Id: <20201116054150.211562-1-98.arpi@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201116054035.211498-1-98.arpi@gmail.com> References: <20201116054035.211498-1-98.arpi@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Modify fs/ext4/inode-test.c to use the parameterized testing feature of KUnit. Signed-off-by: Arpitha Raghunandan <98.arpi@gmail.com> Signed-off-by: Marco Elver Reviewed-by: Marco Elver Tested-by: David Gow Reviewed-by: David Gow Reviewed-by: Iurii Zaikin Acked-by: Theodore Ts'o --- Changes v8->v9: - Replace strncpy() with strscpy() in timestamp_expectation_to_desc() Changes v7->v8: - Replace strcpy() with strncpy() in timestamp_expectation_to_desc() Changes v6->v7: - Introduce timestamp_expectation_to_desc() to convert param to description. Changes v5->v6: - No change to this patch of the patch series Changes v4->v5: - No change to this patch of the patch series Changes v3->v4: - Modification based on latest implementation of KUnit parameterized testing Changes v2->v3: - Marked hardcoded test data const - Modification based on latest implementation of KUnit parameterized testing Changes v1->v2: - Modification based on latest implementation of KUnit parameterized testing fs/ext4/inode-test.c | 320 ++++++++++++++++++++++--------------------- 1 file changed, 164 insertions(+), 156 deletions(-) diff --git a/fs/ext4/inode-test.c b/fs/ext4/inode-test.c index d62d802c9c12..7935ea6cf92c 100644 --- a/fs/ext4/inode-test.c +++ b/fs/ext4/inode-test.c @@ -80,6 +80,145 @@ struct timestamp_expectation { bool lower_bound; }; +static const struct timestamp_expectation test_data[] = { + { + .test_case_name = LOWER_BOUND_NEG_NO_EXTRA_BITS_CASE, + .msb_set = true, + .lower_bound = true, + .extra_bits = 0, + .expected = {.tv_sec = -0x80000000LL, .tv_nsec = 0L}, + }, + + { + .test_case_name = UPPER_BOUND_NEG_NO_EXTRA_BITS_CASE, + .msb_set = true, + .lower_bound = false, + .extra_bits = 0, + .expected = {.tv_sec = -1LL, .tv_nsec = 0L}, + }, + + { + .test_case_name = LOWER_BOUND_NONNEG_NO_EXTRA_BITS_CASE, + .msb_set = false, + .lower_bound = true, + .extra_bits = 0, + .expected = {0LL, 0L}, + }, + + { + .test_case_name = UPPER_BOUND_NONNEG_NO_EXTRA_BITS_CASE, + .msb_set = false, + .lower_bound = false, + .extra_bits = 0, + .expected = {.tv_sec = 0x7fffffffLL, .tv_nsec = 0L}, + }, + + { + .test_case_name = LOWER_BOUND_NEG_LO_1_CASE, + .msb_set = true, + .lower_bound = true, + .extra_bits = 1, + .expected = {.tv_sec = 0x80000000LL, .tv_nsec = 0L}, + }, + + { + .test_case_name = UPPER_BOUND_NEG_LO_1_CASE, + .msb_set = true, + .lower_bound = false, + .extra_bits = 1, + .expected = {.tv_sec = 0xffffffffLL, .tv_nsec = 0L}, + }, + + { + .test_case_name = LOWER_BOUND_NONNEG_LO_1_CASE, + .msb_set = false, + .lower_bound = true, + .extra_bits = 1, + .expected = {.tv_sec = 0x100000000LL, .tv_nsec = 0L}, + }, + + { + .test_case_name = UPPER_BOUND_NONNEG_LO_1_CASE, + .msb_set = false, + .lower_bound = false, + .extra_bits = 1, + .expected = {.tv_sec = 0x17fffffffLL, .tv_nsec = 0L}, + }, + + { + .test_case_name = LOWER_BOUND_NEG_HI_1_CASE, + .msb_set = true, + .lower_bound = true, + .extra_bits = 2, + .expected = {.tv_sec = 0x180000000LL, .tv_nsec = 0L}, + }, + + { + .test_case_name = UPPER_BOUND_NEG_HI_1_CASE, + .msb_set = true, + .lower_bound = false, + .extra_bits = 2, + .expected = {.tv_sec = 0x1ffffffffLL, .tv_nsec = 0L}, + }, + + { + .test_case_name = LOWER_BOUND_NONNEG_HI_1_CASE, + .msb_set = false, + .lower_bound = true, + .extra_bits = 2, + .expected = {.tv_sec = 0x200000000LL, .tv_nsec = 0L}, + }, + + { + .test_case_name = UPPER_BOUND_NONNEG_HI_1_CASE, + .msb_set = false, + .lower_bound = false, + .extra_bits = 2, + .expected = {.tv_sec = 0x27fffffffLL, .tv_nsec = 0L}, + }, + + { + .test_case_name = UPPER_BOUND_NONNEG_HI_1_NS_1_CASE, + .msb_set = false, + .lower_bound = false, + .extra_bits = 6, + .expected = {.tv_sec = 0x27fffffffLL, .tv_nsec = 1L}, + }, + + { + .test_case_name = LOWER_BOUND_NONNEG_HI_1_NS_MAX_CASE, + .msb_set = false, + .lower_bound = true, + .extra_bits = 0xFFFFFFFF, + .expected = {.tv_sec = 0x300000000LL, + .tv_nsec = MAX_NANOSECONDS}, + }, + + { + .test_case_name = LOWER_BOUND_NONNEG_EXTRA_BITS_1_CASE, + .msb_set = false, + .lower_bound = true, + .extra_bits = 3, + .expected = {.tv_sec = 0x300000000LL, .tv_nsec = 0L}, + }, + + { + .test_case_name = UPPER_BOUND_NONNEG_EXTRA_BITS_1_CASE, + .msb_set = false, + .lower_bound = false, + .extra_bits = 3, + .expected = {.tv_sec = 0x37fffffffLL, .tv_nsec = 0L}, + } +}; + +static void timestamp_expectation_to_desc(const struct timestamp_expectation *t, + char *desc) +{ + strscpy(desc, t->test_case_name, KUNIT_PARAM_DESC_SIZE); +} + +KUNIT_ARRAY_PARAM(ext4_inode, test_data, timestamp_expectation_to_desc); + static time64_t get_32bit_time(const struct timestamp_expectation * const test) { if (test->msb_set) { @@ -101,166 +240,35 @@ static time64_t get_32bit_time(const struct timestamp_expectation * const test) */ static void inode_test_xtimestamp_decoding(struct kunit *test) { - const struct timestamp_expectation test_data[] = { - { - .test_case_name = LOWER_BOUND_NEG_NO_EXTRA_BITS_CASE, - .msb_set = true, - .lower_bound = true, - .extra_bits = 0, - .expected = {.tv_sec = -0x80000000LL, .tv_nsec = 0L}, - }, - - { - .test_case_name = UPPER_BOUND_NEG_NO_EXTRA_BITS_CASE, - .msb_set = true, - .lower_bound = false, - .extra_bits = 0, - .expected = {.tv_sec = -1LL, .tv_nsec = 0L}, - }, - - { - .test_case_name = LOWER_BOUND_NONNEG_NO_EXTRA_BITS_CASE, - .msb_set = false, - .lower_bound = true, - .extra_bits = 0, - .expected = {0LL, 0L}, - }, - - { - .test_case_name = UPPER_BOUND_NONNEG_NO_EXTRA_BITS_CASE, - .msb_set = false, - .lower_bound = false, - .extra_bits = 0, - .expected = {.tv_sec = 0x7fffffffLL, .tv_nsec = 0L}, - }, - - { - .test_case_name = LOWER_BOUND_NEG_LO_1_CASE, - .msb_set = true, - .lower_bound = true, - .extra_bits = 1, - .expected = {.tv_sec = 0x80000000LL, .tv_nsec = 0L}, - }, - - { - .test_case_name = UPPER_BOUND_NEG_LO_1_CASE, - .msb_set = true, - .lower_bound = false, - .extra_bits = 1, - .expected = {.tv_sec = 0xffffffffLL, .tv_nsec = 0L}, - }, - - { - .test_case_name = LOWER_BOUND_NONNEG_LO_1_CASE, - .msb_set = false, - .lower_bound = true, - .extra_bits = 1, - .expected = {.tv_sec = 0x100000000LL, .tv_nsec = 0L}, - }, - - { - .test_case_name = UPPER_BOUND_NONNEG_LO_1_CASE, - .msb_set = false, - .lower_bound = false, - .extra_bits = 1, - .expected = {.tv_sec = 0x17fffffffLL, .tv_nsec = 0L}, - }, - - { - .test_case_name = LOWER_BOUND_NEG_HI_1_CASE, - .msb_set = true, - .lower_bound = true, - .extra_bits = 2, - .expected = {.tv_sec = 0x180000000LL, .tv_nsec = 0L}, - }, - - { - .test_case_name = UPPER_BOUND_NEG_HI_1_CASE, - .msb_set = true, - .lower_bound = false, - .extra_bits = 2, - .expected = {.tv_sec = 0x1ffffffffLL, .tv_nsec = 0L}, - }, - - { - .test_case_name = LOWER_BOUND_NONNEG_HI_1_CASE, - .msb_set = false, - .lower_bound = true, - .extra_bits = 2, - .expected = {.tv_sec = 0x200000000LL, .tv_nsec = 0L}, - }, - - { - .test_case_name = UPPER_BOUND_NONNEG_HI_1_CASE, - .msb_set = false, - .lower_bound = false, - .extra_bits = 2, - .expected = {.tv_sec = 0x27fffffffLL, .tv_nsec = 0L}, - }, - - { - .test_case_name = UPPER_BOUND_NONNEG_HI_1_NS_1_CASE, - .msb_set = false, - .lower_bound = false, - .extra_bits = 6, - .expected = {.tv_sec = 0x27fffffffLL, .tv_nsec = 1L}, - }, - - { - .test_case_name = LOWER_BOUND_NONNEG_HI_1_NS_MAX_CASE, - .msb_set = false, - .lower_bound = true, - .extra_bits = 0xFFFFFFFF, - .expected = {.tv_sec = 0x300000000LL, - .tv_nsec = MAX_NANOSECONDS}, - }, - - { - .test_case_name = LOWER_BOUND_NONNEG_EXTRA_BITS_1_CASE, - .msb_set = false, - .lower_bound = true, - .extra_bits = 3, - .expected = {.tv_sec = 0x300000000LL, .tv_nsec = 0L}, - }, - - { - .test_case_name = UPPER_BOUND_NONNEG_EXTRA_BITS_1_CASE, - .msb_set = false, - .lower_bound = false, - .extra_bits = 3, - .expected = {.tv_sec = 0x37fffffffLL, .tv_nsec = 0L}, - } - }; - struct timespec64 timestamp; - int i; - - for (i = 0; i < ARRAY_SIZE(test_data); ++i) { - timestamp.tv_sec = get_32bit_time(&test_data[i]); - ext4_decode_extra_time(×tamp, - cpu_to_le32(test_data[i].extra_bits)); - - KUNIT_EXPECT_EQ_MSG(test, - test_data[i].expected.tv_sec, - timestamp.tv_sec, - CASE_NAME_FORMAT, - test_data[i].test_case_name, - test_data[i].msb_set, - test_data[i].lower_bound, - test_data[i].extra_bits); - KUNIT_EXPECT_EQ_MSG(test, - test_data[i].expected.tv_nsec, - timestamp.tv_nsec, - CASE_NAME_FORMAT, - test_data[i].test_case_name, - test_data[i].msb_set, - test_data[i].lower_bound, - test_data[i].extra_bits); - } + + struct timestamp_expectation *test_param = + (struct timestamp_expectation *)(test->param_value); + + timestamp.tv_sec = get_32bit_time(test_param); + ext4_decode_extra_time(×tamp, + cpu_to_le32(test_param->extra_bits)); + + KUNIT_EXPECT_EQ_MSG(test, + test_param->expected.tv_sec, + timestamp.tv_sec, + CASE_NAME_FORMAT, + test_param->test_case_name, + test_param->msb_set, + test_param->lower_bound, + test_param->extra_bits); + KUNIT_EXPECT_EQ_MSG(test, + test_param->expected.tv_nsec, + timestamp.tv_nsec, + CASE_NAME_FORMAT, + test_param->test_case_name, + test_param->msb_set, + test_param->lower_bound, + test_param->extra_bits); } static struct kunit_case ext4_inode_test_cases[] = { - KUNIT_CASE(inode_test_xtimestamp_decoding), + KUNIT_CASE_PARAM(inode_test_xtimestamp_decoding, ext4_inode_gen_params), {} };