ericek111
e6d0b58305
Contest operating goes outside the band edges. Someone answers a CQ at 14352, or a radio reports a frequency a few hundred hertz off, and Bands.ForFrequency returned null: the contact scored nothing, missed the per-band dupe check and exported with no band. N1MM buckets a frequency by its whole megahertz — its BandFor divides the kilohertz by 1000 and switches on the result, with 1 and 2 both 160M, 3 and 4 both 80M, 28 and 29 both 10M — and never looks at a band edge. Same rule here, except that the real edges are checked first: 2190M and 630M are both under 1 MHz and share the bucket, so nothing else can tell them apart. A frequency under 1 MHz that misses both edge ranges still has no band, as it does in N1MM. The bandmap clamped its slice to the band edges, so a radio past the edge left the receiver bar off the top of the scale. The slice now stretches to wherever the radio is. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
59 lines
2.0 KiB
C#
59 lines
2.0 KiB
C#
using Nonemm.Core;
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namespace Nonemm.Core.Tests;
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public class BandsTests
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{
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[Theory]
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[InlineData(1830, "160M")]
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[InlineData(3510.5, "80M")]
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[InlineData(14025, "20M")]
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[InlineData(28499, "10M")]
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[InlineData(50110, "6M")]
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[InlineData(144200, "2M")]
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public void FrequencyLandsOnItsBand(double kilohertz, string expected) =>
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Assert.Equal(expected, Bands.ForFrequency(Frequency.FromKilohertz(kilohertz))?.Name);
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[Fact]
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public void FrequencyOutsideEveryAllocationHasNoBand() =>
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Assert.Null(Bands.ForFrequency(Frequency.FromKilohertz(12000)));
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/// N1MM buckets by whole megahertz, so a contact made past the edge keeps
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/// its band instead of losing it.
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[Theory]
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[InlineData(14400, "20M")]
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[InlineData(7305, "40M")]
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[InlineData(1999.9, "160M")]
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[InlineData(4100, "80M")]
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[InlineData(29800, "10M")]
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[InlineData(21500, "15M")]
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public void FrequencyPastTheBandEdgeStillCountsAsThatBand(double kilohertz, string expected) =>
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Assert.Equal(expected, Bands.ForFrequency(Frequency.FromKilohertz(kilohertz))?.Name);
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/// Below 1 MHz every band shares the same megahertz, so only the real edges
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/// decide.
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[Theory]
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[InlineData(137, "2190M")]
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[InlineData(475, "630M")]
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public void TheLowFrequencyBandsGoByTheirEdges(double kilohertz, string expected) =>
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Assert.Equal(expected, Bands.ForFrequency(Frequency.FromKilohertz(kilohertz))?.Name);
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[Fact]
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public void BroadcastFrequenciesBelowOneMegahertzHaveNoBand() =>
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Assert.Null(Bands.ForFrequency(Frequency.FromKilohertz(900)));
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[Fact]
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public void BandEdgesAreIncluded()
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{
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Assert.Equal("20M", Bands.ForFrequency(Frequency.FromKilohertz(14000))?.Name);
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Assert.Equal("20M", Bands.ForFrequency(Frequency.FromKilohertz(14350))?.Name);
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}
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[Theory]
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[InlineData(1.8, "160M")]
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[InlineData(5, "60M")]
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[InlineData(76000, "4MM")]
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public void N1mmBandLabelFindsTheBand(double label, string expected) =>
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Assert.Equal(expected, Bands.ByLabel(label)?.Name);
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}
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