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/*############################################################################
# Copyright 2016 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
############################################################################*/
/*!
* \file
* \brief FfElement C++ wrapper unit tests.
*/
#include "gtest/gtest.h"
#include "epid/common-testhelper/errors-testhelper.h"
#include "epid/common-testhelper/ffelement_wrapper-testhelper.h"
#include "epid/common-testhelper/finite_field_wrapper-testhelper.h"
extern "C" {
#include "epid/common/math/bignum.h"
#include "epid/common/memory.h"
}
namespace {
// Use Test Fixture for SetUp and TearDown
class FfElementObjTest : public ::testing::Test {
public:
static FiniteFieldObj ff;
static const BigNumStr prime_str;
static const FpElemStr ff_str_1;
static const FpElemStr ff_str_2;
static const Fq2ElemStr ff_2_str;
};
/// Intel(R) EPID 2.0 parameter p
const BigNumStr FfElementObjTest::prime_str = {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0xF0, 0xCD, 0x46, 0xE5, 0xF2,
0x5E, 0xEE, 0x71, 0xA4, 0x9E, 0x0C, 0xDC, 0x65, 0xFB, 0x12, 0x99,
0x92, 0x1A, 0xF6, 0x2D, 0x53, 0x6C, 0xD1, 0x0B, 0x50, 0x0D};
const FpElemStr FfElementObjTest::ff_str_1 = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
};
const FpElemStr FfElementObjTest::ff_str_2 = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0xDC, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA4, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
};
const Fq2ElemStr FfElementObjTest::ff_2_str = {
// 1
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
// 2
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20};
FiniteFieldObj FfElementObjTest::ff(prime_str);
TEST_F(FfElementObjTest, ObjDefaultConstructedIsNotNull) {
FfElementObj ffe(&ff);
EXPECT_NE(nullptr, (FfElement*)ffe);
}
TEST_F(FfElementObjTest, AssignmentDoesNotCopyPointer) {
FfElementObj ffe1(&ff, ff_str_1);
FfElementObj ffe2(&ff, ff_str_2);
EXPECT_NE((FfElement*)ffe1, (FfElement*)ffe2);
ffe1 = ffe2;
EXPECT_NE((FfElement*)ffe1, (FfElement*)ffe2);
}
TEST_F(FfElementObjTest, CopyConstructorDoesNotCopyPointer) {
FfElementObj ffe1(&ff, ff_str_1);
FfElementObj ffe2(ffe1);
EXPECT_NE((FfElement*)ffe1, (FfElement*)ffe2);
}
TEST_F(FfElementObjTest, CanConstructBinomialElement) {
FfElementObj ffe1(&ff, ff_str_1);
FiniteFieldObj ff2(ff, ffe1, 2);
FfElementObj ff2_e1(&ff2, ff_2_str);
EXPECT_NE(nullptr, (FfElement*)ff2_e1);
}
TEST_F(FfElementObjTest, CanCastConstToConstPointer) {
FfElementObj const ffe(&ff);
FfElement const* ffe_ptr = ffe;
(void)ffe_ptr;
}
TEST_F(FfElementObjTest, CanGetConstPointerFromConst) {
FfElementObj const ffe(&ff);
FfElement const* ffe_ptr = ffe.getc();
(void)ffe_ptr;
}
/*
The following tests are expected to result in
compile time errors (by design)
*/
/*
TEST_F(FfElementObjTest, CannotCastConstToNonConstPointer) {
FfElementObj const ffe(&ff);
FfElement * ffe_ptr = ffe;
(void) ffe_ptr;
}
TEST_F(FfElementObjTest, CannotGetNonConstPointerFromConst) {
FfElementObj const ffe(&ff);
FfElement * ffe_ptr = ffe.get();
(void) ffe_ptr;
}
*/
TEST_F(FfElementObjTest, CanCastNonConstToConstPointer) {
FfElementObj ffe(&ff);
FfElement const* ffe_ptr = ffe;
(void)ffe_ptr;
}
TEST_F(FfElementObjTest, CanGetConstPointerFromNonConst) {
FfElementObj ffe(&ff);
FfElement const* ffe_ptr = ffe.getc();
(void)ffe_ptr;
}
TEST_F(FfElementObjTest, CanCastNonConstToNonConstPointer) {
FfElementObj ffe(&ff);
FfElement* ffe_ptr = ffe;
(void)ffe_ptr;
}
TEST_F(FfElementObjTest, CanGetNonConstPointerFromNonConst) {
FfElementObj ffe(&ff);
FfElement* ffe_ptr = ffe.get();
(void)ffe_ptr;
}
} // namespace
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