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
70 lines
2.2 KiB
Go
70 lines
2.2 KiB
Go
package calendar
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import (
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"testing"
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"time"
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)
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func addBase(t *testing.T, y, m, d int) Time {
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t.Helper()
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res, err := LunarToSolarByYMD(y, 1, 1, false) // 只是拿一个合法 Time，日期另行构造
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_ = res
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if err != nil {
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t.Fatal(err)
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}
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fwd, err := SolarToLunarByYMD(y, m, d)
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if err != nil {
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t.Fatalf("SolarToLunarByYMD(%d,%d,%d) error: %v", y, m, d, err)
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}
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return fwd
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}
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// Add 必须与 time.Time 一样精确；此前 d≥1s 时经儒略日往返，普通日期会漂几微秒。
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// Add must be as exact as time.Time; it used to round-trip through the Julian day for d >= 1s,
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// which drifted by a few microseconds on ordinary dates.
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func TestTimeAddIsExact(t *testing.T) {
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base := addBase(t, 2024, 3, 1)
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cases := []struct {
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d time.Duration
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want string
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}{
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{time.Millisecond, "2024-03-01 00:00:00.001"},
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{time.Second, "2024-03-01 00:00:01.000"},
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{time.Minute, "2024-03-01 00:01:00.000"},
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{time.Hour, "2024-03-01 01:00:00.000"},
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{24 * time.Hour, "2024-03-02 00:00:00.000"},
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{30 * 24 * time.Hour, "2024-03-31 00:00:00.000"},
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{-time.Hour, "2024-02-29 23:00:00.000"},
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{-time.Millisecond, "2024-02-29 23:59:59.999"},
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}
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for _, c := range cases {
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if got := base.Add(c.d).Solar().Format("2006-01-02 15:04:05.000"); got != c.want {
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t.Errorf("Add(%v) = %s, want %s", c.d, got, c.want)
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}
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}
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}
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// 1582 改历跳过的 10 天不能出现在结果里：跨过该窗口的偏移要落在 10 天之后。
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// The ten days skipped by the 1582 reform must never appear: an offset crossing that window lands
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// after them.
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func TestTimeAddSkipsGregorianReformGap(t *testing.T) {
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cases := []struct {
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y, m, d int
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delta time.Duration
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want string
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}{
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{1582, 10, 4, 24 * time.Hour, "1582-10-15"},
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{1582, 10, 15, -24 * time.Hour, "1582-10-04"},
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{1582, 9, 20, 30 * 24 * time.Hour, "1582-10-30"},
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{1582, 10, 20, -30 * 24 * time.Hour, "1582-09-10"},
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{1582, 9, 20, 24 * time.Hour, "1582-09-21"},
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{1582, 10, 20, 24 * time.Hour, "1582-10-21"},
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}
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for _, c := range cases {
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got := addBase(t, c.y, c.m, c.d).Add(c.delta).Solar().Format("2006-01-02")
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if got != c.want {
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t.Errorf("%d-%02d-%02d Add(%v) = %s, want %s", c.y, c.m, c.d, c.delta, got, c.want)
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}
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}
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}
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