22 lines
794 B
Go
22 lines
794 B
Go
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package mercury
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import (
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"math"
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"testing"
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"time"
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)
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func TestPhysicalPreservesInstantAcrossTimezones(t *testing.T) {
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utc := time.Date(2026, 4, 28, 9, 30, 45, 123000000, time.UTC)
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shanghai := utc.In(time.FixedZone("UTC+8", 8*3600))
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got := Physical(shanghai)
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want := Physical(utc)
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valuesGot := []float64{got.SubEarthLongitude, got.SubEarthLatitude, got.SubSolarLongitude, got.SubSolarLatitude, got.NorthPolePositionAngle}
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valuesWant := []float64{want.SubEarthLongitude, want.SubEarthLatitude, want.SubSolarLongitude, want.SubSolarLatitude, want.NorthPolePositionAngle}
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for i := range valuesGot {
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if math.Float64bits(valuesGot[i]) != math.Float64bits(valuesWant[i]) {
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t.Fatalf("timezone instant mismatch at index %d: got %.18f want %.18f", i, valuesGot[i], valuesWant[i])
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}
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}
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}
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