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Diffstat (limited to 'library/test/unit/mipi_syst_crc32_test.cpp')
| -rw-r--r-- | library/test/unit/mipi_syst_crc32_test.cpp | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/library/test/unit/mipi_syst_crc32_test.cpp b/library/test/unit/mipi_syst_crc32_test.cpp new file mode 100644 index 0000000..780903e --- /dev/null +++ b/library/test/unit/mipi_syst_crc32_test.cpp @@ -0,0 +1,138 @@ +/* +Copyright (c) 2018, MIPI Alliance, Inc. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: + +* Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + +* Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + +* Neither the name of the copyright holder nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/* + * Contributors: + * Norbert Schulz (Intel Corporation) - Initial API and implementation + */ +#include "mipi_syst_gtest.h" + +#ifdef MIPI_SYST_PCFG_ENABLE_CHECKSUM + +#include "../../include/mipi_syst/crc32.h" +#include "../../src/mipi_syst_crc32.c" + +/* Test input data for crc calculation tests. The last value shown +* in the array name is the reference crc32C. +*/ +static mipi_syst_u8 crc_input_u8_0xB5D83007[] = { + '0', '1', '2', '3', '4', '5', '6', '7', + '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' +}; + +static mipi_syst_u16 crc_input_u16_0xAA2741E5[] = { + 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0x10, + 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x20 +}; + +static mipi_syst_u32 crc_input_u32_0xCDBDE657[] = { + 0x00000000, 0xABCDEF12, 0x12345678, 0xFADEDBAD, 0xAA55AA55 +}; + +static mipi_syst_u64 crc_input_u64_0x61A6DF0B[] = { + 0x1122334455667788ull, 0x1122334455667788ull, 0xABCDEFAABBCCDDEEull, + 0x0000000000000000ull, 0xFFFFFFFFFFFFFFFFull, 0x0101010101010101ull +}; + +class MipiSysTFixtureCrc32 : public testing::Test +{ +public: + void SetUp() { + crc = MIPI_SYST_CRC32_INIT(0); + } + + void TearDown(){ + } + + mipi_syst_u32 crc32_byte_array( mipi_syst_u8 *pData, mipi_syst_u32 bytes) + { + while (bytes--) { + MIPI_SYST_CRC32_U8(crc, *pData++); + } + return MIPI_SYST_CRC32_GET(crc); + } + + mipi_syst_u32 crc32_word_array( mipi_syst_u16 *pData, mipi_syst_u32 words) + { + while (words--) { + MIPI_SYST_CRC32_U16(crc, *pData++); + } + return MIPI_SYST_CRC32_GET(crc); + } + + mipi_syst_u32 crc32_dword_array( mipi_syst_u32 *pData, mipi_syst_u32 dwords) + { + while (dwords--) { + MIPI_SYST_CRC32_U32(crc, *pData++); + } + return MIPI_SYST_CRC32_GET(crc); + } + + mipi_syst_u32 crc32_qword_array( mipi_syst_u64 *pData, mipi_syst_u32 qwords) + { + while (qwords--) { + MIPI_SYST_CRC32_U64(crc, *pData++); + } + return MIPI_SYST_CRC32_GET(crc); + } +protected: + mipi_syst_u32 crc; +}; + +/* Test structure sizes used in binary output processing +*/ +TEST_F(MipiSysTFixtureCrc32, syst_crc32_bytes) +{ + EXPECT_EQ(0xB5D83007 ,crc32_byte_array(crc_input_u8_0xB5D83007 , + sizeof(crc_input_u8_0xB5D83007))) << "MIPI_SYST_CRC32_U8() test"; +} + +TEST_F(MipiSysTFixtureCrc32, syst_crc32_halfwords) +{ + EXPECT_EQ(0xAA2741E5,crc32_word_array((mipi_syst_u16*)crc_input_u16_0xAA2741E5, + sizeof(crc_input_u16_0xAA2741E5) / sizeof(mipi_syst_u16))) << "MIPI_SYST_CRC32_U16() test"; +} + +TEST_F(MipiSysTFixtureCrc32, syst_crc32_dwords) +{ + EXPECT_EQ(0xCDBDE657,crc32_dword_array((mipi_syst_u32*)crc_input_u32_0xCDBDE657, + sizeof(crc_input_u32_0xCDBDE657) / sizeof(mipi_syst_u32))) << "MIPI_SYST_CRC32_U32() test"; +} + +TEST_F(MipiSysTFixtureCrc32, syst_crc32_quadwords) +{ + EXPECT_EQ(0x61A6DF0B,crc32_qword_array((mipi_syst_u64*)crc_input_u64_0x61A6DF0B, + sizeof(crc_input_u64_0x61A6DF0B) / sizeof(mipi_syst_u64))) << "MIPI_SYST_CRC32_U64() test"; +} + +#endif
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