cavis/libnd4j/tests_cpu/layers_tests/BitwiseUtilsTests.cpp

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/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// Created by raver119 on 10.11.2017.
//
#include "testlayers.h"
#include <ops/declarable/CustomOperations.h>
#include <array/NDArray.h>
#include <legacy/NativeOps.h>
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#include <helpers/BitwiseUtils.h>
using namespace sd;
using namespace sd::graph;
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class BitwiseUtilsTests : public testing::Test {
public:
};
// oviously, this test will fail on big-endian machines, but who cares
TEST_F(BitwiseUtilsTests, Test_Runtime_Endianess_1) {
bool isBE = BitwiseUtils::isBE();
ASSERT_FALSE(isBE);
}
TEST_F(BitwiseUtilsTests, Test_ValueBit_1) {
int idx = BitwiseUtils::valueBit(1);
ASSERT_EQ(0, idx);
}
TEST_F(BitwiseUtilsTests, Test_ValueBit_2) {
int idx = BitwiseUtils::valueBit(2);
ASSERT_EQ(1, idx);
}
TEST_F(BitwiseUtilsTests, Test_ValueBits_1) {
std::vector<int> expected({1, 1});
while (expected.size() < 32)
expected.push_back(0);
std::vector<int> result = BitwiseUtils::valueBits(3);
ASSERT_EQ(32, result.size());
ASSERT_EQ(expected, result);
}
TEST_F(BitwiseUtilsTests, Test_ValueBits_2) {
int value = 48;
int flipped = BitwiseUtils::flip_bits(value);
ASSERT_NE(value, flipped);
auto o = BitwiseUtils::valueBits(value);
auto f = BitwiseUtils::valueBits(flipped);
for (int e = 0; e < o.size(); e++)
ASSERT_NE(o.at(e), f.at(e));
}