| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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 <cstddef> |
| #include <cstdint> |
| #include <memory> |
| #include <string> |
| |
| #include <gtest/gtest.h> |
| |
| #include "kudu/util/inline_slice.h" |
| #include "kudu/util/memory/arena.h" |
| #include "kudu/util/slice.h" |
| |
| using std::unique_ptr; |
| |
| namespace kudu { |
| |
| template<size_t N> |
| static void TestRoundTrip(InlineSlice<N> *slice, |
| Arena *arena, |
| size_t test_size) { |
| unique_ptr<uint8_t[]> buf(new uint8_t[test_size]); |
| for (int i = 0; i < test_size; i++) { |
| buf[i] = i & 0xff; |
| } |
| |
| Slice test_input(buf.get(), test_size); |
| |
| slice->set(test_input, arena); |
| Slice ret = slice->as_slice(); |
| ASSERT_TRUE(ret == test_input) |
| << "test_size =" << test_size << "\n" |
| << "ret = " << ret.ToDebugString() << "\n" |
| << "test_input = " << test_input.ToDebugString(); |
| |
| // If the data is small enough to fit inline, then |
| // the returned slice should point directly into the |
| // InlineSlice object. |
| if (test_size < N) { |
| ASSERT_EQ(reinterpret_cast<const uint8_t *>(slice) + 1, |
| ret.data()); |
| } |
| } |
| |
| // Sweep a variety of inputs for a given size of inline |
| // data |
| template<size_t N> |
| static void DoTest() { |
| Arena arena(1024); |
| |
| // Test a range of inputs both growing and shrinking |
| InlineSlice<N> my_slice; |
| ASSERT_EQ(N, sizeof(my_slice)); |
| |
| for (size_t to_test = 0; to_test < 1000; to_test++) { |
| TestRoundTrip(&my_slice, &arena, to_test); |
| } |
| for (size_t to_test = 1000; to_test > 0; to_test--) { |
| TestRoundTrip(&my_slice, &arena, to_test); |
| } |
| } |
| |
| TEST(TestInlineSlice, Test8ByteInline) { |
| DoTest<8>(); |
| } |
| |
| TEST(TestInlineSlice, Test12ByteInline) { |
| DoTest<12>(); |
| } |
| |
| TEST(TestInlineSlice, Test16ByteInline) { |
| DoTest<16>(); |
| } |
| |
| } // namespace kudu |