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AK: Add Time::is_negative() to detect negative time values

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Brian Gianforcaro 2021-08-14 16:49:53 -07:00 • committed by Andreas Kling
parent 3cbc2364a8
commit a2a5cb0f24
2 changed files with 14 additions and 0 deletions
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13
Tests/AK/TestTime.cpp
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@ -261,3 +261,16 @@ TEST_CASE(truncation)
EXPECT_EQ(TIME(9223372036854, 775'807'000).to_truncated_microseconds(), 0x7fff'ffff'ffff'ffff);
EXPECT_EQ(TIME(9223372036854, 775'808'000).to_truncated_microseconds(), 0x7fff'ffff'ffff'ffff);
}
TEST_CASE(is_negative)
{
auto small = Time::from_nanoseconds(10);
auto large = Time::from_nanoseconds(15);
auto result = small - large;
EXPECT_EQ(result.to_nanoseconds(), -5);
EXPECT(result.is_negative());
result = large - small;
EXPECT_EQ(result.to_nanoseconds(), 5);
EXPECT(!result.is_negative());
}