72 lines
2.0 KiB
Go
72 lines
2.0 KiB
Go
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package eclipse
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import (
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"testing"
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"time"
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)
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func BenchmarkSarosLookup(b *testing.B) {
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for _, tc := range []struct {
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name string
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date time.Time
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}{
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{name: "NASA", date: time.Date(2024, 4, 8, 12, 0, 0, 0, time.UTC)},
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{name: "PrecomputedFuture", date: time.Date(3300, 1, 1, 12, 0, 0, 0, time.UTC)},
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{name: "PrecomputedAncient", date: time.Date(-2800, 1, 1, 12, 0, 0, 0, time.UTC)},
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{name: "LiveAncient", date: time.Date(-3200, 1, 1, 12, 0, 0, 0, time.UTC)},
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{name: "LiveFuture", date: time.Date(7000, 1, 1, 12, 0, 0, 0, time.UTC)},
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} {
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b.Run("Solar/"+tc.name, func(b *testing.B) {
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info := ClosestSolarEclipse(tc.date)
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tt := solarEclipseTimeToTTJDE(info.GreatestEclipse)
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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if got, ok := solarSarosInfo(tt); !ok || got != info.Saros {
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b.Fatal("inconsistent solar Saros metadata")
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}
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}
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})
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b.Run("Lunar/"+tc.name, func(b *testing.B) {
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info := ClosestLunarEclipse(tc.date)
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tt := timeToTTJDE(info.Maximum)
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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if got, ok := lunarSarosInfo(tt); !ok || got != info.Saros {
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b.Fatal("inconsistent lunar Saros metadata")
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}
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}
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})
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}
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}
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func BenchmarkSolarEclipsePrecomputedSaros(b *testing.B) {
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date := time.Date(3288, 11, 15, 12, 0, 0, 0, time.UTC)
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for i := 0; i < b.N; i++ {
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info, ok := SolarEclipseOnDate(date)
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if !ok || !info.HasSaros || info.Saros != (SarosInfo{Series: 202, Member: 1, Count: 71}) {
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b.Fatal("missing precomputed Saros metadata")
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}
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}
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}
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func BenchmarkSolarEclipseCandidatesSaros(b *testing.B) {
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start := time.Date(6001, 1, 1, 0, 0, 0, 0, time.UTC)
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end := time.Date(6002, 1, 1, 0, 0, 0, 0, time.UTC)
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for _, include := range []bool{false, true} {
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name := "WithoutSaros"
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if include {
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name = "WithSaros"
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}
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b.Run(name, func(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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if got := SolarEclipseCandidates(start, end, SolarEclipseCandidateOptions{IncludeSaros: include}); len(got) == 0 {
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b.Fatal("missing candidates")
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}
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}
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})
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}
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}
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