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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 Bignum C++ wrapper unit tests.
*/
#include "gtest/gtest.h"
#include "epid/common-testhelper/errors-testhelper.h"
#include "epid/common-testhelper/bignum_wrapper-testhelper.h"
extern "C" {
#include "epid/common/math/bignum.h"
#include "epid/common/src/memory.h"
}
namespace {
// Use Test Fixture for SetUp and TearDown
class BigNumObjTest : public ::testing::Test {
public:
static const BigNumStr str_0;
static const std::vector<unsigned char> vec_0;
};
const BigNumStr BigNumObjTest::str_0 = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
const std::vector<unsigned char> BigNumObjTest::vec_0 = {0, 0, 0, 0,
0, 0, 0, 0};
TEST_F(BigNumObjTest, ObjDefaultConstructedIsNotNull) {
BigNumObj bn;
EXPECT_NE(nullptr, (BigNum*)bn);
}
TEST_F(BigNumObjTest, ObjConstructedWithSizeIsNotNull) {
BigNumObj bn1(1);
EXPECT_NE(nullptr, (BigNum*)bn1);
BigNumObj bn32(32);
EXPECT_NE(nullptr, (BigNum*)bn32);
}
TEST_F(BigNumObjTest, AssignmentDoesNotCopyPointer) {
BigNumObj bn1;
BigNumObj bn2;
EXPECT_NE((BigNum*)bn1, (BigNum*)bn2);
bn1 = bn2;
EXPECT_NE((BigNum*)bn1, (BigNum*)bn2);
}
TEST_F(BigNumObjTest, CopyConstructorDoesNotCopyPointer) {
BigNumObj bn1;
BigNumObj bn2(bn1);
EXPECT_NE((BigNum*)bn1, (BigNum*)bn2);
}
TEST_F(BigNumObjTest, ConstructorDoesNotThrow) {
BigNumObj bn1;
BigNumObj bn2(32);
BigNumObj bn3(32, this->str_0);
BigNumObj bn4(32, this->vec_0);
BigNumObj bn5(this->str_0);
BigNumObj bn6(this->vec_0);
EXPECT_NE((BigNum*)bn1, (BigNum*)bn2);
EXPECT_NE((BigNum*)bn1, (BigNum*)bn3);
EXPECT_NE((BigNum*)bn1, (BigNum*)bn4);
EXPECT_NE((BigNum*)bn1, (BigNum*)bn5);
EXPECT_NE((BigNum*)bn1, (BigNum*)bn6);
EXPECT_NE((BigNum*)bn2, (BigNum*)bn1);
EXPECT_NE((BigNum*)bn2, (BigNum*)bn3);
EXPECT_NE((BigNum*)bn2, (BigNum*)bn4);
EXPECT_NE((BigNum*)bn2, (BigNum*)bn5);
EXPECT_NE((BigNum*)bn2, (BigNum*)bn6);
EXPECT_NE((BigNum*)bn3, (BigNum*)bn1);
EXPECT_NE((BigNum*)bn3, (BigNum*)bn2);
EXPECT_NE((BigNum*)bn3, (BigNum*)bn4);
EXPECT_NE((BigNum*)bn3, (BigNum*)bn5);
EXPECT_NE((BigNum*)bn3, (BigNum*)bn6);
EXPECT_NE((BigNum*)bn4, (BigNum*)bn1);
EXPECT_NE((BigNum*)bn4, (BigNum*)bn2);
EXPECT_NE((BigNum*)bn4, (BigNum*)bn3);
EXPECT_NE((BigNum*)bn4, (BigNum*)bn5);
EXPECT_NE((BigNum*)bn4, (BigNum*)bn6);
EXPECT_NE((BigNum*)bn5, (BigNum*)bn1);
EXPECT_NE((BigNum*)bn5, (BigNum*)bn2);
EXPECT_NE((BigNum*)bn5, (BigNum*)bn3);
EXPECT_NE((BigNum*)bn5, (BigNum*)bn4);
EXPECT_NE((BigNum*)bn5, (BigNum*)bn6);
EXPECT_NE((BigNum*)bn6, (BigNum*)bn1);
EXPECT_NE((BigNum*)bn6, (BigNum*)bn2);
EXPECT_NE((BigNum*)bn6, (BigNum*)bn3);
EXPECT_NE((BigNum*)bn6, (BigNum*)bn4);
EXPECT_NE((BigNum*)bn6, (BigNum*)bn5);
}
TEST_F(BigNumObjTest, CanCastConstToConstPointer) {
BigNumObj const bn;
BigNum const* bn_ptr = bn;
(void)bn_ptr;
}
TEST_F(BigNumObjTest, CanGetConstPointerFromConst) {
BigNumObj const bn;
BigNum const* bn_ptr = bn.getc();
(void)bn_ptr;
}
/*
The following tests are expected to result in
compile time errors (by design)
*/
/*
TEST_F(BigNumObjTest, CannotCastConstToNonConstPointer) {
BigNumObj const bn;
BigNum * bn_ptr = bn;
(void) bn_ptr;
}
TEST_F(BigNumObjTest, CannotGetNonConstPointerFromConst) {
BigNumObj const bn;
BigNum * bn_ptr = bn.get();
(void) bn_ptr;
}
*/
TEST_F(BigNumObjTest, CanCastNonConstToConstPointer) {
BigNumObj bn;
BigNum const* bn_ptr = bn;
(void)bn_ptr;
}
TEST_F(BigNumObjTest, CanGetConstPointerFromNonConst) {
BigNumObj bn;
BigNum const* bn_ptr = bn.getc();
(void)bn_ptr;
}
TEST_F(BigNumObjTest, CanCastNonConstToNonConstPointer) {
BigNumObj bn;
BigNum* bn_ptr = bn;
(void)bn_ptr;
}
TEST_F(BigNumObjTest, CanGetNonConstPointerFromNonConst) {
BigNumObj bn;
BigNum* bn_ptr = bn.get();
(void)bn_ptr;
}
} // namespace
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