From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by dpdk.org (Postfix) with ESMTP id E1BE35A32 for ; Fri, 6 May 2016 15:54:21 +0200 (CEST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP; 06 May 2016 06:54:23 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,587,1455004800"; d="scan'208";a="974067608" Received: from sie-lab-212-116.ir.intel.com (HELO silpixa00378492.ir.intel.com) ([10.237.212.116]) by fmsmga002.fm.intel.com with ESMTP; 06 May 2016 06:54:19 -0700 From: Pablo de Lara To: dev@dpdk.org Cc: declan.doherty@intel.com, Pablo de Lara Date: Fri, 6 May 2016 14:58:46 +0100 Message-Id: <1462543128-26604-3-git-send-email-pablo.de.lara.guarch@intel.com> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1462543128-26604-1-git-send-email-pablo.de.lara.guarch@intel.com> References: <1462543128-26604-1-git-send-email-pablo.de.lara.guarch@intel.com> Subject: [dpdk-dev] [PATCH 2/4] app/test: add new buffer comparison macros X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 May 2016 13:54:22 -0000 In order to compare buffers with length and offset in bits, new macros have been created, which use the previous compare function to compare full bytes and then, compare first and last bytes of each buffer separately. Signed-off-by: Pablo de Lara --- app/test/test.h | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 56 insertions(+), 1 deletion(-) diff --git a/app/test/test.h b/app/test/test.h index a2fba60..e87760e 100644 --- a/app/test/test.h +++ b/app/test/test.h @@ -64,7 +64,7 @@ } \ } while (0) - +/* Compare two buffers (length in bytes) */ #define TEST_ASSERT_BUFFERS_ARE_EQUAL(a, b, len, msg, ...) do { \ if (memcmp(a, b, len)) { \ printf("TestCase %s() line %d failed: " \ @@ -74,6 +74,61 @@ } \ } while (0) +/* Compare two buffers with offset (length and offset in bytes) */ +#define TEST_ASSERT_BUFFERS_ARE_EQUAL_OFFSET(a, b, len, off, msg, ...) do { \ + const uint8_t *_a_with_off = (const uint8_t *)a + off; \ + const uint8_t *_b_with_off = (const uint8_t *)b + off; \ + TEST_ASSERT_BUFFERS_ARE_EQUAL(_a_with_off, _b_with_off, len, msg); \ +} while (0) + +/* Compare two buffers (length in bits) */ +#define TEST_ASSERT_BUFFERS_ARE_EQUAL_BIT(a, b, len, msg, ...) do { \ + uint8_t _last_byte_a, _last_byte_b; \ + uint8_t _last_byte_mask, _last_byte_bits; \ + TEST_ASSERT_BUFFERS_ARE_EQUAL(a, b, (len >> 3), msg); \ + if (len % 8) { \ + _last_byte_bits = len % 8; \ + _last_byte_mask = ~((1 << (8 - _last_byte_bits)) - 1); \ + _last_byte_a = ((const uint8_t *)a)[len >> 3]; \ + _last_byte_b = ((const uint8_t *)b)[len >> 3]; \ + _last_byte_a &= _last_byte_mask; \ + _last_byte_b &= _last_byte_mask; \ + if (_last_byte_a != _last_byte_b) { \ + printf("TestCase %s() line %d failed: " \ + msg "\n", __func__, __LINE__, ##__VA_ARGS__);\ + TEST_TRACE_FAILURE(__FILE__, __LINE__, __func__); \ + return TEST_FAILED; \ + } \ + } \ +} while (0) + +/* Compare two buffers with offset (length and offset in bits) */ +#define TEST_ASSERT_BUFFERS_ARE_EQUAL_BIT_OFFSET(a, b, len, off, msg, ...) do { \ + uint8_t _first_byte_a, _first_byte_b; \ + uint8_t _first_byte_mask, _first_byte_bits; \ + uint32_t _len_without_first_byte = (off % 8) ? \ + len - (8 - (off % 8)) : \ + len; \ + uint32_t _off_in_bytes = (off % 8) ? (off >> 3) + 1 : (off >> 3); \ + const uint8_t *_a_with_off = (const uint8_t *)a + _off_in_bytes; \ + const uint8_t *_b_with_off = (const uint8_t *)b + _off_in_bytes; \ + TEST_ASSERT_BUFFERS_ARE_EQUAL_BIT(_a_with_off, _b_with_off, \ + _len_without_first_byte, msg); \ + if (off % 8) { \ + _first_byte_bits = 8 - (off % 8); \ + _first_byte_mask = (1 << _first_byte_bits) - 1; \ + _first_byte_a = *(_a_with_off - 1); \ + _first_byte_b = *(_b_with_off - 1); \ + _first_byte_a &= _first_byte_mask; \ + _first_byte_b &= _first_byte_mask; \ + if (_first_byte_a != _first_byte_b) { \ + printf("TestCase %s() line %d failed: " \ + msg "\n", __func__, __LINE__, ##__VA_ARGS__); \ + TEST_TRACE_FAILURE(__FILE__, __LINE__, __func__); \ + return TEST_FAILED; \ + } \ + } \ +} while (0) #define TEST_ASSERT_NOT_EQUAL(a, b, msg, ...) do { \ if (!(a != b)) { \ -- 2.5.0