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AK: Add Time::is_negative() to detect negative time values
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sideshowbarker
2024-07-18 05:41:09 +09:00
Author: https://github.com/bgianfo Commit: https://github.com/SerenityOS/serenity/commit/a2a5cb0f241 Pull-request: https://github.com/SerenityOS/serenity/pull/9431
@ -164,6 +164,7 @@ public:
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[[nodiscard]] timeval to_timeval() const;
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[[nodiscard]] bool is_zero() const { return !m_seconds && !m_nanoseconds; }
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[[nodiscard]] bool is_negative() const { return m_seconds < 0; }
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bool operator==(const Time& other) const { return this->m_seconds == other.m_seconds && this->m_nanoseconds == other.m_nanoseconds; }
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bool operator!=(const Time& other) const { return !(*this == other); }
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@ -261,3 +261,16 @@ TEST_CASE(truncation)
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EXPECT_EQ(TIME(9223372036854, 775'807'000).to_truncated_microseconds(), 0x7fff'ffff'ffff'ffff);
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EXPECT_EQ(TIME(9223372036854, 775'808'000).to_truncated_microseconds(), 0x7fff'ffff'ffff'ffff);
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}
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TEST_CASE(is_negative)
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{
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auto small = Time::from_nanoseconds(10);
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auto large = Time::from_nanoseconds(15);
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auto result = small - large;
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EXPECT_EQ(result.to_nanoseconds(), -5);
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EXPECT(result.is_negative());
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result = large - small;
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EXPECT_EQ(result.to_nanoseconds(), 5);
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EXPECT(!result.is_negative());
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}
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