1 /*############################################################################ 2 # Copyright 2016-2017 Intel Corporation 3 # 4 # Licensed under the Apache License, Version 2.0 (the "License"); 5 # you may not use this file except in compliance with the License. 6 # You may obtain a copy of the License at 7 # 8 # http://www.apache.org/licenses/LICENSE-2.0 9 # 10 # Unless required by applicable law or agreed to in writing, software 11 # distributed under the License is distributed on an "AS IS" BASIS, 12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 # See the License for the specific language governing permissions and 14 # limitations under the License. 15 ############################################################################*/ 16 17 /*! 18 * \file 19 * \brief OctStr2Bnu unit tests. 20 * 21 * OctStr2Bnu is an internal function used in the IPP implementation of the 22 * math libraries. These tests can be omitted if you do not use this function. 23 */ 24 25 #include "epid/common-testhelper/epid_gtest-testhelper.h" 26 #include "epid/common/stdtypes.h" 27 #include "gtest/gtest.h" 28 29 extern "C" { 30 #include "epid/common/math/src/bignum-internal.h" 31 } 32 33 namespace { 34 35 const uint8_t bnstr1[] = {0x01, 0x02, 0x03, 0x04}; 36 const uint8_t bnstr2[] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}; 37 uint32_t bnustr1[sizeof(bnstr1) / sizeof(uint32_t)] = {0x01020304}; 38 uint32_t bnustr2[sizeof(bnstr2) / sizeof(uint32_t)] = {0x05060708, 0x01020304}; 39 40 TEST(OctStr2Bnu, octstr2bnuFailsGivenNullBnu) { 41 int len = OctStr2Bnu(nullptr, bnstr1, sizeof(bnstr1) / sizeof(uint8_t)); 42 EXPECT_EQ(-1, len); 43 } 44 TEST(OctStr2Bnu, octstr2bnuFailsGivenNullOctstr) { 45 uint32_t bnustr_res[sizeof(bnstr1) / sizeof(uint32_t)] = {0}; 46 int len = OctStr2Bnu(bnustr_res, nullptr, sizeof(bnstr1) / sizeof(uint8_t)); 47 EXPECT_EQ(-1, len); 48 } 49 TEST(OctStr2Bnu, octstr2bnuFailsGivenInvalidOctsrtLen) { 50 uint32_t bnustr_res[sizeof(bnstr1) / sizeof(uint32_t)] = {0}; 51 int len = OctStr2Bnu(bnustr_res, bnstr1, -1); 52 EXPECT_EQ(-1, len); 53 len = OctStr2Bnu(bnustr_res, bnstr1, 0); 54 EXPECT_EQ(-1, len); 55 len = OctStr2Bnu(bnustr_res, bnstr1, 3); 56 EXPECT_EQ(-1, len); 57 len = OctStr2Bnu(bnustr_res, bnstr1, 5); 58 EXPECT_EQ(-1, len); 59 } 60 TEST(OctStr2Bnu, octstr2bnuWorksGivenOctstr1) { 61 uint32_t bnustr_res[sizeof(bnstr1) / sizeof(uint32_t)] = {0}; 62 int len = OctStr2Bnu(bnustr_res, bnstr1, sizeof(bnstr1) / sizeof(uint8_t)); 63 EXPECT_EQ(1, len); 64 EXPECT_EQ(0, 65 memcmp(bnustr1, bnustr_res, sizeof(bnustr_res) / sizeof(uint32_t))) 66 << "OctStr2Bnu: bnu string result does not match with predefined value\n"; 67 } 68 TEST(OctStr2Bnu, octstr2bnuWorksGivenOctstr2) { 69 uint32_t bnustr_res[sizeof(bnstr2) / sizeof(uint32_t)] = {0}; 70 int len = OctStr2Bnu(bnustr_res, bnstr2, sizeof(bnstr2) / sizeof(uint8_t)); 71 EXPECT_EQ(2, len); 72 EXPECT_EQ(0, 73 memcmp(bnustr2, bnustr_res, sizeof(bnustr_res) / sizeof(uint32_t))) 74 << "OctStr2Bnu: bnu string result does not match with predefined value\n"; 75 } 76 } // namespace 77
