b612
2bf8478639
- 新增日月食中心带、偏食带、阴影足迹、等时线、食分线及升落边界计算，支持极区与混合食拓扑 - 新增日食单时刻阴影求解器、站心状态查询、批量采样和 ΔT 覆盖接口 - 重构恒星与行星月掩路径，补充有限盘面接触、站心修正、掩带宽度、极区投影及升落边界 - 扩展 SVG 与 GeoJSON 输出，支持详细面板、全球/极区/地球投影、边界闭合、时间标记和拓扑签名 - 扩展日月食候选搜索、局地搜索、沙罗序列预计算与范围外推，补充系列锚点和成员一致性校验 - 补齐古历纪年、儒略历独有闰日、多公历候选、历法改革跨日及精确日期运算接口 - 优化 ΔT、章动、恒星时、月球地平线、事件根搜索和本地星历缓存，降低重复计算开销并提升边界稳定
105 lines
2.7 KiB
Go
105 lines
2.7 KiB
Go
package planet
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import (
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"math"
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"testing"
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)
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func TestPlanetViewsMatchRawCuts(t *testing.T) {
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views := planetViews()
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for bodyIndex, raw := range planetRawData {
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view := views[bodyIndex]
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if math.Float64bits(view.scale) != math.Float64bits(raw[0]) {
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t.Fatalf("body=%d scale mismatch", bodyIndex)
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}
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for zn := 0; zn < 3; zn++ {
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pn := zn*6 + 1
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for order := 0; order < 6; order++ {
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start := int(raw[pn+order])
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end := int(raw[pn+order+1])
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if len(view.coords[zn].orders[order]) != end-start {
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t.Fatalf("body=%d zn=%d order=%d got=%d want=%d", bodyIndex, zn, order, len(view.coords[zn].orders[order]), end-start)
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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 TestBuildPlanetViewsRejectsInvalidCuts(t *testing.T) {
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_, err := buildPlanetViews([][]float64{{
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10000000000,
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20, 21, 20, 20, 20, 20, 20,
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20, 20, 20, 20, 20, 20,
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20, 20, 20, 20, 20, 20,
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}})
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if err == nil {
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t.Fatal("expected invalid cut error")
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}
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}
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func TestWherePlanetDomainGuards(t *testing.T) {
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jds := []float64{2415020.123456789, 2451545.0, 2469808.7654321}
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for _, jd := range jds {
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for xt := -1; xt <= 7; xt++ {
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for zn := 0; zn <= 2; zn++ {
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for _, n := range []int{-1, 0, 3, 100} {
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got := WherePlanetN(xt, zn, jd, n)
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if math.IsNaN(got) || math.IsInf(got, 0) {
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t.Fatalf("in-domain WherePlanetN(%d, %d, %v, %d) = %v", xt, zn, jd, n, got)
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}
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}
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got := WherePlanet(xt, zn, jd)
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if math.IsNaN(got) || math.IsInf(got, 0) {
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t.Fatalf("in-domain WherePlanet(%d, %d, %v) = %v", xt, zn, jd, got)
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}
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}
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}
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for _, xt := range []int{-2, -100, 8, 9, 100} {
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for zn := 0; zn <= 2; zn++ {
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assertWherePlanetNaN(t, xt, zn, jd)
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}
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}
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for _, zn := range []int{-1, -100, 3, 100} {
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for xt := -1; xt <= 7; xt++ {
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assertWherePlanetNaN(t, xt, zn, jd)
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}
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}
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}
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}
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func assertWherePlanetNaN(t *testing.T, xt, zn int, jd float64) {
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t.Helper()
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if got := WherePlanet(xt, zn, jd); !math.IsNaN(got) {
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t.Fatalf("WherePlanet(%d, %d, %v) = %v, want NaN", xt, zn, jd, got)
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}
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for _, n := range []int{-1, 0, 6} {
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if got := WherePlanetN(xt, zn, jd, n); !math.IsNaN(got) {
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t.Fatalf("WherePlanetN(%d, %d, %v, %d) = %v, want NaN", xt, zn, jd, n, got)
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}
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}
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}
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func TestWherePlanetGoldenValues(t *testing.T) {
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jd := 2451545.0
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cases := []struct {
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xt, zn int
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want float64
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}{
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{-1, 0, 100.37782037193487},
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{-1, 1, -0.00022991463883506049},
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{-1, 2, 0.98332764743480028},
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{0, 0, 280.37782037193489},
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{0, 1, 0.00022991463883506049},
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{0, 2, 0.98332764743480028},
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{4, 0, 36.29462069188007},
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{4, 1, -1.1745385942079292},
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{4, 2, 4.9653814383525443},
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}
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for _, tc := range cases {
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got := WherePlanet(tc.xt, tc.zn, jd)
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if math.Abs(got-tc.want) > 1e-12 {
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t.Fatalf("WherePlanet(%d, %d, %v) = %.17g, want %.17g", tc.xt, tc.zn, jd, got, tc.want)
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}
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}
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}
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