91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
// Copyright 2012 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <gtest/gtest.h>
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#include <polo/util/poloutil.h>
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namespace polo {
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namespace util {
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TEST(PoloUtilTest, BytesToHexString) {
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uint8_t bytes[4] = {0xAA, 0xBB, 0xCC, 0xDD};
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std::string result = PoloUtil::BytesToHexString(bytes, 4);
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ASSERT_EQ(std::string("AABBCCDD"), result);
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}
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TEST(PoloUtilTest, BytesToHexStringLeadingNull) {
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uint8_t bytes[4] = {0x00, 0xBB, 0xCC, 0xDD};
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std::string result = PoloUtil::BytesToHexString(bytes, 4);
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ASSERT_EQ(std::string("BBCCDD"), result);
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}
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TEST(PoloUtilTest, HexStringToBytes) {
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uint8_t* bytes;
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size_t length = PoloUtil::HexStringToBytes(std::string("AABBCCDD"), bytes);
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ASSERT_EQ(4, length);
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ASSERT_EQ(0xAA, bytes[0]);
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ASSERT_EQ(0xBB, bytes[1]);
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ASSERT_EQ(0xCC, bytes[2]);
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ASSERT_EQ(0xDD, bytes[3]);
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delete[] bytes;
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}
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TEST(PoloUtilTest, IntToBigEndianBytes) {
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uint8_t* bytes;
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PoloUtil::IntToBigEndianBytes(0xAABBCCDD, bytes);
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ASSERT_EQ(0xAA, bytes[0]);
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ASSERT_EQ(0xBB, bytes[1]);
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ASSERT_EQ(0xCC, bytes[2]);
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ASSERT_EQ(0xDD, bytes[3]);
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delete[] bytes;
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}
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TEST(PoloUtilTest, IntToBigEndianBytes_NullBytes) {
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uint8_t* bytes;
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PoloUtil::IntToBigEndianBytes(0x00AABB00, bytes);
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ASSERT_EQ(0x00, bytes[0]);
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ASSERT_EQ(0xAA, bytes[1]);
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ASSERT_EQ(0xBB, bytes[2]);
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ASSERT_EQ(0x00, bytes[3]);
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delete[] bytes;
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}
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TEST(PoloUtilTest, BigEndianBytesToInt) {
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uint8_t bytes[4] = {0xAA, 0xBB, 0xCC, 0xDD};
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const uint32_t value = PoloUtil::BigEndianBytesToInt(bytes);
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ASSERT_EQ(0xAABBCCDD, value);
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}
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TEST(PoloUtilTest, BigEndianBytesToInt_NullBytes) {
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uint8_t bytes[4] = {0x00, 0xAA, 0xBB, 0x00};
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const uint32_t value = PoloUtil::BigEndianBytesToInt(bytes);
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ASSERT_EQ(0x00AABB00, value);
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}
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TEST(PoloUtilTest, GenerateRandomBytes) {
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uint8_t* random1 = PoloUtil::GenerateRandomBytes(16);
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ASSERT_TRUE(random1);
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const std::string value1 = PoloUtil::BytesToHexString(random1, 16);
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delete[] random1;
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uint8_t* random2 = PoloUtil::GenerateRandomBytes(16);
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ASSERT_TRUE(random2);
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const std::string value2 = PoloUtil::BytesToHexString(random2, 16);
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delete[] random2;
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ASSERT_NE(value1, value2);
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}
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} // namespace util
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} // namespace polo
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