| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #include <array> |
| #include <cstdint> |
| |
| #include <gtest/gtest.h> |
| |
| #include "netdutils/Slice.h" |
| #include "netdutils/Status.h" |
| #include "netdutils/StatusOr.h" |
| |
| namespace android { |
| namespace netdutils { |
| |
| class SliceTest : public testing::Test { |
| protected: |
| std::array<char, 256> mRaw = {}; |
| }; |
| |
| TEST_F(SliceTest, smoke) { |
| Slice s1 = makeSlice(mRaw); |
| Slice s2 = makeSlice(mRaw); |
| auto p = split(s1, 14); |
| std::stringstream ss; |
| ss << Slice(); |
| EXPECT_EQ("Slice[base: 0x0, limit: 0x0, size: 0x0]", ss.str()); |
| constexpr size_t kBytes = 14; |
| EXPECT_EQ(s1.base(), take(s1, kBytes).base()); |
| EXPECT_EQ(kBytes, take(s1, kBytes).size()); |
| EXPECT_EQ(s1.base() + kBytes, drop(s1, kBytes).base()); |
| EXPECT_EQ(s1.size() - kBytes, drop(s1, kBytes).size()); |
| double a = 0; |
| double b = 0; |
| int c = 0; |
| EXPECT_EQ(sizeof(a), extract(s1, a)); |
| EXPECT_EQ(sizeof(a) + sizeof(b), extract(s1, a, b)); |
| EXPECT_EQ(sizeof(a) + sizeof(b) + sizeof(c), extract(s1, a, b, c)); |
| } |
| |
| TEST_F(SliceTest, constructor) { |
| // Expect the following lines to compile |
| Slice s1 = makeSlice(mRaw); |
| Slice s2(s1); |
| Slice s3 = s2; |
| const Slice s4(s3); |
| const Slice s5 = s4; |
| s3 = s5; |
| Slice s6(mRaw.data(), mRaw.size()); |
| Slice s7(mRaw.data(), mRaw.data() + mRaw.size()); |
| struct { |
| int a; |
| double b; |
| float c; |
| } anon; |
| makeSlice(anon); |
| EXPECT_EQ(reinterpret_cast<uint8_t*>(mRaw.data()), s1.base()); |
| EXPECT_EQ(reinterpret_cast<uint8_t*>(mRaw.data()) + mRaw.size(), s1.limit()); |
| EXPECT_EQ(mRaw.size(), s1.size()); |
| EXPECT_FALSE(mRaw.empty()); |
| EXPECT_TRUE(Slice().empty()); |
| EXPECT_TRUE(Slice(nullptr, static_cast<size_t>(0)).empty()); |
| EXPECT_TRUE(Slice(nullptr, nullptr).empty()); |
| } |
| |
| } // namespace netdutils |
| } // namespace android |