From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932458AbbJZNzh (ORCPT ); Mon, 26 Oct 2015 09:55:37 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52268 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932421AbbJZNz3 (ORCPT ); Mon, 26 Oct 2015 09:55:29 -0400 From: Vitaly Kuznetsov To: Andrew Morton Cc: Rasmus Villemoes , Andy Shevchenko , Ulf Hansson , James Bottomley , Kees Cook , linux-kernel@vger.kernel.org Subject: [PATCH 3/3] lib/test-string_helpers.c: add string_get_size() tests Date: Mon, 26 Oct 2015 14:55:20 +0100 Message-Id: <1445867720-25473-4-git-send-email-vkuznets@redhat.com> In-Reply-To: <1445867720-25473-1-git-send-email-vkuznets@redhat.com> References: <1445867720-25473-1-git-send-email-vkuznets@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a couple of simple tests for string_get_size(). Signed-off-by: Vitaly Kuznetsov --- lib/test-string_helpers.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/lib/test-string_helpers.c b/lib/test-string_helpers.c index 8e376ef..a158cb3 100644 --- a/lib/test-string_helpers.c +++ b/lib/test-string_helpers.c @@ -326,6 +326,47 @@ out: kfree(out_test); } +#define string_get_size_maxbuf 16 +#define test_string_get_size_one(size, blk_size, units, exp_result) \ + do { \ + BUILD_BUG_ON(sizeof(exp_result) >= string_get_size_maxbuf); \ + __test_string_get_size((size), (blk_size), (units), \ + (exp_result)); \ + } while (0) + + +static __init void __test_string_get_size(const u64 size, const u32 blk_size, + const enum string_size_units units, + const char *exp_result) +{ + char buf[string_get_size_maxbuf]; + + string_get_size(size, blk_size, units, buf, sizeof(buf)); + if (!memcmp(buf, exp_result, strlen(exp_result) + 1)) + return; + + buf[sizeof(buf) - 1] = '\0'; + pr_warn("Test 'test_string_get_size_one' failed!\n"); + pr_warn("string_get_size(size = %llu, blk_size = %u, units = %d\n", + size, blk_size, units); + pr_warn("expected: '%s', got '%s'\n", exp_result, buf); +} + +static __init void test_string_get_size(void) +{ + test_string_get_size_one(16384, 512, STRING_UNITS_2, "8.00 MiB"); + test_string_get_size_one(500118192, 512, STRING_UNITS_2, "238 GiB"); + test_string_get_size_one(8192, 4096, STRING_UNITS_10, "33.5 MB"); + test_string_get_size_one(1100, 1, STRING_UNITS_10, "1.10 kB"); + test_string_get_size_one(3000, 1900, STRING_UNITS_10, "5.70 MB"); + test_string_get_size_one(151234561234657, 3456789, STRING_UNITS_10, + "522 EB"); + test_string_get_size_one(1999, U32_MAX - 1, STRING_UNITS_10, + "8.58 TB"); + test_string_get_size_one(1, 512, STRING_UNITS_10, "512 B"); + test_string_get_size_one(0, 512, STRING_UNITS_10, "0 B"); +} + static int __init test_string_helpers_init(void) { unsigned int i; @@ -344,6 +385,9 @@ static int __init test_string_helpers_init(void) for (i = 0; i < (ESCAPE_ANY_NP | ESCAPE_HEX) + 1; i++) test_string_escape("escape 1", escape1, i, TEST_STRING_2_DICT_1); + /* Test string_get_size() */ + test_string_get_size(); + return -EINVAL; } module_init(test_string_helpers_init); -- 2.4.3