29 lines
889 B
Go
29 lines
889 B
Go
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package basic
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import (
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"testing"
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"time"
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)
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func TestLocalJulianDayAcrossDST(t *testing.T) {
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for _, name := range []string{"America/New_York", "Australia/Lord_Howe"} {
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loc, err := time.LoadLocation(name)
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if err != nil {
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t.Fatal(err)
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}
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for _, md := range [][2]int{{3, 8}, {11, 1}, {4, 5}, {10, 4}} {
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for _, hour := range []int{0, 3, 12, 23} {
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want := time.Date(2026, time.Month(md[0]), md[1], hour, 17, 23, 125000000, loc)
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got := JD2DateByZone(Date2JD(want), loc, true)
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if delta := got.Sub(want); delta < -100*time.Microsecond || delta > 100*time.Microsecond {
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t.Errorf("local %s: got %s, delta=%s", want, got, delta)
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}
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got = JD2DateByZone(Date2JD(want.UTC()), loc, false)
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if delta := got.Sub(want); delta < -100*time.Microsecond || delta > 100*time.Microsecond {
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t.Errorf("UTC %s: got %s, delta=%s", want, got, delta)
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}
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}
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}
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}
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}
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