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AK+Tests: Add a formatter for Duration

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This will format Duration as seconds, with as much decimal precision as
necessary to fully represent its value. The alternate format specifier
can be used to make it print the units on the end, i.e. "1.23s".
This commit is contained in:
Zaggy1024 2025-11-07 18:19:19 -06:00 • committed by Gregory Bertilson
parent c8958c9e7b
commit ae73280178
Notes: github-actions[bot] 2025-11-12 20:42:42 +00:00
3 changed files with 147 additions and 0 deletions
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33
Tests/AK/TestFormat.cpp
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@ -8,6 +8,7 @@
#include <AK/ByteString.h>
#include <AK/StringBuilder.h>
#include <AK/Time.h>
#include <AK/Vector.h>
#ifdef AK_OS_WINDOWS
@ -479,3 +480,35 @@ TEST_CASE(format_checked)
EXPECT_EQ(ByteString::formatted("{}", c), "{ OVERFLOW }");
}
}
TEST_CASE(format_duration)
{
EXPECT_EQ(ByteString::formatted("{}", AK::Duration::from_seconds(0)), "0");
EXPECT_EQ(ByteString::formatted("{}", AK::Duration::from_seconds(NumericLimits<i64>::max())), "9223372036854775807");
EXPECT_EQ(ByteString::formatted("{}", AK::Duration::from_seconds(NumericLimits<i64>::min())), "-9223372036854775808");
EXPECT_EQ(ByteString::formatted("{}", AK::Duration::from_microseconds(6'500)), "0.0065");
EXPECT_EQ(ByteString::formatted("{}", AK::Duration::from_microseconds(-6'500)), "-0.0065");
EXPECT_EQ(ByteString::formatted("{}", AK::Duration::from_milliseconds(-1'500)), "-1.5");
EXPECT_EQ(ByteString::formatted("{}", AK::Duration::from_nanoseconds(1)), "0.000000001");
EXPECT_EQ(ByteString::formatted("{}", AK::Duration::from_nanoseconds(999'999'999)), "0.999999999");
EXPECT_EQ(ByteString::formatted("{}", AK::Duration::from_nanoseconds(-999'999'999)), "-0.999999999");
EXPECT_EQ(ByteString::formatted("{:05}", AK::Duration::from_seconds(1)), "00001");
EXPECT_EQ(ByteString::formatted("{:8}", AK::Duration::from_milliseconds(1'250)), " 1.25");
EXPECT_EQ(ByteString::formatted("{:|>4}", AK::Duration::from_seconds(1)), "|||1");
EXPECT_EQ(ByteString::formatted("{:.<20}", AK::Duration::from_nanoseconds(1'050'250'000'001)), "1050.250000001......");
EXPECT_EQ(ByteString::formatted("{:^5}", AK::Duration::from_milliseconds(1'500)), " 1.5 ");
EXPECT_EQ(ByteString::formatted("{:^+6}", AK::Duration::from_milliseconds(1'500)), " +1.5 ");
EXPECT_EQ(ByteString::formatted("{:.10}", AK::Duration::from_milliseconds(100'000'500)), "100000.5000000000");
EXPECT_EQ(ByteString::formatted("{:.0}", AK::Duration::from_milliseconds(67'500)), "67");
EXPECT_EQ(ByteString::formatted("{:.0}", AK::Duration::from_nanoseconds(123'456'789)), "0");
EXPECT_EQ(ByteString::formatted("{:.3}", AK::Duration::from_nanoseconds(123'456'789)), "0.123");
EXPECT_EQ(ByteString::formatted("{:.9}", AK::Duration::from_milliseconds(500)), "0.500000000");
EXPECT_EQ(ByteString::formatted("{:.21}", AK::Duration::from_milliseconds(500)), "0.500000000000000000000");
EXPECT_EQ(ByteString::formatted("{:#}", AK::Duration::from_milliseconds(12'054)), "12.054s");
EXPECT_EQ(ByteString::formatted("{:^#8}", AK::Duration::from_milliseconds(1'512)), " 1.512s ");
}