daniel-c-harvey
41 lines
1.7 KiB
C#
41 lines
1.7 KiB
C#
using DeepDrftPublic.Client.Helpers;
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namespace DeepDrftTests;
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/// <summary>
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/// Unit tests for the home-stat-row runtime formatter (<see cref="RuntimeFormat.ToHoursMinutes"/>):
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/// the hh:mm shape, hour rollover past 60 minutes, multi-hour totals, and the clamp on non-positive /
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/// non-finite input.
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/// </summary>
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[TestFixture]
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public class RuntimeFormatTests
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{
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// 12h34m -> "12:34": the brief's worked example, hours not zero-padded, minutes two digits.
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[Test]
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public void ToHoursMinutes_TwelveHoursThirtyFour_FormatsHhMm()
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=> Assert.That(RuntimeFormat.ToHoursMinutes((12 * 3600) + (34 * 60)), Is.EqualTo("12:34"));
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// 90 minutes rolls into 1 hour 30 minutes — minutes never exceed 59.
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[Test]
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public void ToHoursMinutes_NinetyMinutes_RollsIntoHours()
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=> Assert.That(RuntimeFormat.ToHoursMinutes(90 * 60), Is.EqualTo("1:30"));
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// Sub-hour totals show 0 hours with zero-padded minutes.
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[Test]
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public void ToHoursMinutes_UnderOneHour_ShowsZeroHours()
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=> Assert.That(RuntimeFormat.ToHoursMinutes(5 * 60), Is.EqualTo("0:05"));
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// Totals beyond 99h are not truncated — hours simply take more than two digits (mixes are few).
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[Test]
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public void ToHoursMinutes_BeyondNinetyNineHours_DoesNotTruncate()
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=> Assert.That(RuntimeFormat.ToHoursMinutes((123 * 3600) + (45 * 60)), Is.EqualTo("123:45"));
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// Zero / negative / non-finite inputs clamp to "0:00" rather than producing a negative or NaN render.
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[TestCase(0d)]
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[TestCase(-10d)]
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[TestCase(double.NaN)]
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[TestCase(double.PositiveInfinity)]
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public void ToHoursMinutes_NonPositiveOrNonFinite_ClampsToZero(double seconds)
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=> Assert.That(RuntimeFormat.ToHoursMinutes(seconds), Is.EqualTo("0:00"));
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}
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