f11a53856d
this is to mimic the formatting of `human_readable_value`, and to prepare for consolidating these two formatters, so we don't have two pretty printers in the tree. Signed-off-by: Kefu Chai <kefu.chai@scylladb.com>
95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
/*
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* Copyright (C) 2023-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#define BOOST_TEST_MODULE utils
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#include <iterator>
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#include <boost/test/unit_test.hpp>
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#include "utils/pretty_printers.hh"
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BOOST_AUTO_TEST_CASE(test_print_data_size_SI) {
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struct {
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size_t n;
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std::string_view formatted;
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} sizes[] = {
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{0ULL, "0 bytes"},
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{1ULL, "1 byte"},
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{42ULL, "42 bytes"},
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{9'000ULL, "9000 bytes"},
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{10'000ULL, "10kB"},
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{10'001ULL, "10kB"},
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{10'000'000ULL, "10MB"},
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{10'000'000'000ULL, "10GB"},
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{10'000'000'000'000ULL, "10TB"},
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{10'000'000'000'000'000ULL, "10PB"},
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{10'000'000'000'000'000'000ULL, "10000PB"},
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};
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for (auto [n, expected] : sizes) {
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std::string actual;
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fmt::format_to(std::back_inserter(actual), "{}", utils::pretty_printed_data_size{n});
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BOOST_CHECK_EQUAL(actual, expected);
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}
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}
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BOOST_AUTO_TEST_CASE(test_print_data_size_IEC) {
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struct {
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size_t n;
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std::string_view formatted;
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} sizes[] = {
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{0ULL, "0 bytes"},
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{1ULL, "1 byte"},
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{42ULL, "42 bytes"},
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{8'191LL, "8191 bytes"},
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{8'192LL, "8KiB"},
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{8'193LL, "8KiB"},
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{10'000ULL, "9KiB"},
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};
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for (auto [n, expected] : sizes) {
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std::string actual;
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fmt::format_to(std::back_inserter(actual), "{:i}", utils::pretty_printed_data_size{n});
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BOOST_CHECK_EQUAL(actual, expected);
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}
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}
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BOOST_AUTO_TEST_CASE(test_print_data_size_IEC_SANS_I) {
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struct {
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size_t n;
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std::string_view formatted;
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} sizes[] = {
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{0ULL, "0B"},
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{1ULL, "1B"},
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{42ULL, "42B"},
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{8'192LL, "8K"},
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};
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for (auto [n, expected] : sizes) {
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std::string actual;
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fmt::format_to(std::back_inserter(actual), "{:I}", utils::pretty_printed_data_size{n});
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BOOST_CHECK_EQUAL(actual, expected);
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}
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}
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BOOST_AUTO_TEST_CASE(test_print_throughput) {
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struct {
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size_t n;
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float seconds;
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std::string_view formatted;
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} sizes[] = {
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{0ULL, 0.F, "0 bytes/s"},
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{42ULL, 0.F, "0 bytes/s"},
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{42ULL, 1.F, "42 bytes/s"},
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{42ULL, 0.5F, "84 bytes/s"},
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{10'000'000ULL, 1.F, "10MB/s"},
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{10'000'000ULL, 0.5F, "20MB/s"},
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};
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for (auto [n, seconds, expected] : sizes) {
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std::string actual;
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fmt::format_to(std::back_inserter(actual), "{}", utils::pretty_printed_throughput{n, std::chrono::duration<float>(seconds)});
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BOOST_CHECK_EQUAL(actual, expected);
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}
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}
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