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188 lines
8.5 KiB
C++
188 lines
8.5 KiB
C++
/*
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* Copyright (c) 2020, Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibTest/TestCase.h>
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#include <AK/NumberFormat.h>
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/*
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* These tests are mostly meant as a rough sanity-check, to see whether
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* human_readable_size() crashes or does something very silly. That, however,
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* is a fuzzy human term, so these tests have to hard-code the exact expected
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* strings.
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*
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* Please feel free to tweak human_readable_size()'s behavior, and update the
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* "expected" strings below.
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*/
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TEST_CASE(golden_path)
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{
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EXPECT_EQ(human_readable_size(0), "0 B");
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EXPECT_EQ(human_readable_size(123), "123 B");
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EXPECT_EQ(human_readable_size(123 * KiB), "123.0 KiB");
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EXPECT_EQ(human_readable_size(123 * MiB), "123.0 MiB");
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EXPECT_EQ(human_readable_size(2 * GiB), "2.0 GiB");
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}
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TEST_CASE(border_B_KiB)
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{
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EXPECT_EQ(human_readable_size(1000), "1000 B");
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EXPECT_EQ(human_readable_size(1023), "1023 B");
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// KiB = 1024
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EXPECT_EQ(human_readable_size(1024), "1.0 KiB");
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EXPECT_EQ(human_readable_size(1025), "1.0 KiB");
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}
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TEST_CASE(fraction_KiB)
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{
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EXPECT_EQ(human_readable_size(1050), "1.0 KiB");
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EXPECT_EQ(human_readable_size(1075), "1.0 KiB");
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// 1024 * 1.05 = 1075.2
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EXPECT_EQ(human_readable_size(1076), "1.0 KiB");
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EXPECT_EQ(human_readable_size(1100), "1.0 KiB");
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EXPECT_EQ(human_readable_size(1126), "1.0 KiB");
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// 1024 * 1.1 = 1126.4
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EXPECT_EQ(human_readable_size(1127), "1.1 KiB");
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EXPECT_EQ(human_readable_size(1146), "1.1 KiB");
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}
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TEST_CASE(border_KiB_MiB)
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{
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EXPECT_EQ(human_readable_size(1000 * KiB), "1000.0 KiB");
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EXPECT_EQ(human_readable_size(1024 * KiB - 1), "1023.9 KiB");
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// MiB
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EXPECT_EQ(human_readable_size(1024 * KiB), "1.0 MiB");
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EXPECT_EQ(human_readable_size(1024 * KiB + 1), "1.0 MiB");
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}
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TEST_CASE(fraction_MiB)
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{
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EXPECT_EQ(human_readable_size(1069547), "1.0 MiB");
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EXPECT_EQ(human_readable_size(1101004), "1.0 MiB");
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// 1024 * 1024 * 1.05 = 1101004.8
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EXPECT_EQ(human_readable_size(1101005), "1.0 MiB");
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EXPECT_EQ(human_readable_size(1101006), "1.0 MiB");
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EXPECT_EQ(human_readable_size(1120000), "1.0 MiB");
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EXPECT_EQ(human_readable_size(1153433), "1.0 MiB");
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// 1024 * 1024 * 1.1 = 1153433.6
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EXPECT_EQ(human_readable_size(1153434), "1.1 MiB");
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}
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TEST_CASE(border_MiB_GiB)
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{
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EXPECT_EQ(human_readable_size(1000 * MiB), "1000.0 MiB");
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EXPECT_EQ(human_readable_size(1024 * MiB - 1), "1023.9 MiB");
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EXPECT_EQ(human_readable_size(1024 * MiB), "1.0 GiB");
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EXPECT_EQ(human_readable_size(1024 * MiB + 1), "1.0 GiB");
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}
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TEST_CASE(fraction_GiB)
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{
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EXPECT_EQ(human_readable_size(1095216660), "1.0 GiB");
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EXPECT_EQ(human_readable_size(1127428915), "1.0 GiB");
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// 1024 * 1024 * 1024 * 1.05 = 1127428915.2
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EXPECT_EQ(human_readable_size(1127428916), "1.0 GiB");
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EXPECT_EQ(human_readable_size(1127536289), "1.0 GiB");
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EXPECT_EQ(human_readable_size(1154272461), "1.0 GiB");
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EXPECT_EQ(human_readable_size(1181115968), "1.0 GiB");
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EXPECT_EQ(human_readable_size(1181115969), "1.0 GiB");
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EXPECT_EQ(human_readable_size(1181116000), "1.0 GiB");
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EXPECT_EQ(human_readable_size(1181116006), "1.0 GiB");
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// 1024 * 1024 * 1024 * 1.1 = 1181116006.4
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EXPECT_EQ(human_readable_size(1181116007), "1.1 GiB");
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EXPECT_EQ(human_readable_size(1202590842), "1.1 GiB");
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}
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TEST_CASE(extremes_4byte)
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{
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EXPECT_EQ(human_readable_size(0x7fffffff), "1.9 GiB");
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EXPECT_EQ(human_readable_size(0x80000000), "2.0 GiB");
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EXPECT_EQ(human_readable_size(0xffffffff), "3.9 GiB");
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}
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TEST_CASE(extremes_8byte)
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{
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if constexpr (sizeof(size_t) == 8) {
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warnln("(Running 8-byte-size_t test)");
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EXPECT_EQ(human_readable_size(0x100000000ULL), "4.0 GiB");
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EXPECT_EQ(human_readable_size(0x100000001ULL), "4.0 GiB");
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EXPECT_EQ(human_readable_size(0x800000000ULL), "32.0 GiB");
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EXPECT_EQ(human_readable_size(0x10000000000ULL), "1.0 TiB");
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EXPECT_EQ(human_readable_size(0x4000000000000ULL), "1.0 PiB");
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EXPECT_EQ(human_readable_size(0x7fffffffffffffffULL), "7.9 EiB");
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EXPECT_EQ(human_readable_size(0x8000000000000000ULL), "8.0 EiB");
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EXPECT_EQ(human_readable_size(0xffffffffffffffffULL), "15.9 EiB");
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} else {
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warnln("(Skipping 8-byte-size_t test on 32-bit platform)");
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}
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}
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TEST_CASE(base10_units)
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{
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EXPECT_EQ(human_readable_size(999, AK::HumanReadableBasedOn::Base10), "999 B");
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EXPECT_EQ(human_readable_size(1024, AK::HumanReadableBasedOn::Base10), "1.0 KB");
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EXPECT_EQ(human_readable_size(1100, AK::HumanReadableBasedOn::Base10), "1.1 KB");
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EXPECT_EQ(human_readable_size(1000000, AK::HumanReadableBasedOn::Base10), "1.0 MB");
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}
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TEST_CASE(human_readable_short_time)
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{
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_nanoseconds(0)), "0ns");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_nanoseconds(1)), "1ns");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_nanoseconds(99)), "99ns");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_nanoseconds(999)), "999ns");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_nanoseconds(1009)), "1.009µs");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_nanoseconds(1099)), "1.099µs");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_nanoseconds(1999)), "1.999µs");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_microseconds(1)), "1µs");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_microseconds(999)), "999µs");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_microseconds(1009)), "1.009ms");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_microseconds(1099)), "1.099ms");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_microseconds(1999)), "1.999ms");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(1)), "1ms");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(99)), "99ms");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(999)), "999ms");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(1009)), "1.009s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(1099)), "1.099s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(1999)), "1.999s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(1)), "1s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(1001)), "1.001s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(1999)), "1.999s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(59)), "59s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(59999)), "59.999s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(60)), "1m");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(60001)), "1m 0.001s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(61)), "1m 1s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(61001)), "1m 1.001s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_microseconds(61001001)), "1m 1.001s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(3599)), "59m 59s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(3600)), "1h");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(3601)), "1h 1s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(3600001)), "1h 0.001s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_microseconds(3601001001)), "1h 1.001s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(3661)), "1h 1m 1s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(3661)), "1h 1m 1s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(86399)), "23h 59m 59s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(86399001)), "23h 59m 59.001s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(86399999)), "23h 59m 59.999s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(86400)), "1d");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(86401)), "1d 1s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(86461)), "1d 1m 1s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_seconds(90061)), "1d 1h 1m 1s");
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EXPECT_EQ(human_readable_short_time(AK::Duration::from_milliseconds(90061001)), "1d 1h 1m 1.001s");
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}
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