115 lines
3.3 KiB
C++
115 lines
3.3 KiB
C++
/*
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* This file is open source software, licensed to you under the terms
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* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
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* distributed with this work for additional information regarding copyright
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* ownership. You may not use this file except in compliance with the License.
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*
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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,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/*
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* Copyright (C) 2020 Cloudius Systems, Ltd.
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*/
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#include <seastar/testing/test_case.hh>
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#include <seastar/util/log.hh>
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using namespace seastar;
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SEASTAR_TEST_CASE(log_buf_realloc) {
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std::array<char, 128> external_buf;
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const auto external_buf_ptr = reinterpret_cast<uintptr_t>(external_buf.data());
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internal::log_buf b(external_buf.data(), external_buf.size());
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BOOST_REQUIRE_EQUAL(reinterpret_cast<uintptr_t>(b.data()), external_buf_ptr);
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auto it = b.back_insert_begin();
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for (auto i = 0; i < 128; ++i) {
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*it++ = 'a';
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}
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*it = 'a'; // should trigger realloc
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BOOST_REQUIRE_NE(reinterpret_cast<uintptr_t>(b.data()), reinterpret_cast<uintptr_t>(external_buf.data()));
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const char* p = b.data();
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for (auto i = 0; i < 129; ++i) {
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BOOST_REQUIRE_EQUAL(p[i], 'a');
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}
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return make_ready_future<>();
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}
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SEASTAR_TEST_CASE(log_buf_insert_iterator_format_to) {
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constexpr size_t size = 128;
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auto external_buf = std::make_unique<char[]>(size);
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auto external_buf_ptr = external_buf.get();
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char str[size + 1];
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internal::log_buf b(external_buf_ptr, size);
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BOOST_REQUIRE_EQUAL(reinterpret_cast<uintptr_t>(b.data()), reinterpret_cast<uintptr_t>(external_buf_ptr));
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auto it = b.back_insert_begin();
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memset(str, 'a', size);
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str[size] = '\0';
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it = fmt::format_to(it, fmt::runtime(str), size);
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BOOST_REQUIRE_EQUAL(reinterpret_cast<uintptr_t>(b.data()), reinterpret_cast<uintptr_t>(external_buf_ptr));
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*it++ = '\n';
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BOOST_REQUIRE_NE(reinterpret_cast<uintptr_t>(b.data()), reinterpret_cast<uintptr_t>(external_buf_ptr));
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memset(str, 'b', size);
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it = fmt::format_to(it, fmt::runtime(str), size);
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*it++ = '\n';
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const char* p = b.data();
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size_t pos = 0;
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for (size_t i = 0; i < size; i++) {
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BOOST_REQUIRE_EQUAL(p[pos++], 'a');
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}
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BOOST_REQUIRE_EQUAL(p[pos++], '\n');
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for (size_t i = 0; i < size; i++) {
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BOOST_REQUIRE_EQUAL(p[pos++], 'b');
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}
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BOOST_REQUIRE_EQUAL(p[pos++], '\n');
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return make_ready_future<>();
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}
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SEASTAR_TEST_CASE(log_buf_clear) {
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internal::log_buf buf;
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auto it = buf.back_insert_begin();
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fmt::format_to(it, "abcd");
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BOOST_CHECK_EQUAL(buf.view(), "abcd");
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auto cap_before = buf.capacity();
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buf.clear();
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BOOST_CHECK_EQUAL(cap_before, buf.capacity());
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BOOST_CHECK_EQUAL(0, buf.size());
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fmt::format_to(it, "uuvvwwxxyyzz");
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BOOST_CHECK_EQUAL(buf.view(), "uuvvwwxxyyzz");
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cap_before = buf.capacity();
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buf.clear();
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BOOST_CHECK_EQUAL(cap_before, buf.capacity());
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BOOST_CHECK_EQUAL(0, buf.size());
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return make_ready_future<>();
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}
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