42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
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// 被测契约：默认构建以旧级数开始；切换模型使缓存世代递增，重复设置同一模型不递增，未知模型被拒绝。
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package basic
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import (
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"testing"
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"b612.me/astro/internal/ephem"
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)
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func TestEphemerisDefaultIsBuildDefault(t *testing.T) {
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if ephem.BuildDefault != ephem.Legacy && ephem.BuildDefault != ephem.Semianalytic {
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t.Fatalf("build default %d", ephem.BuildDefault)
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}
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if GetEphemerisModel() != EphemerisModel(ephem.BuildDefault) {
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t.Fatalf("default model %d, build default %d", GetEphemerisModel(), ephem.BuildDefault)
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}
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}
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func TestSetEphemerisModelBumpsGeneration(t *testing.T) {
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if SetEphemerisModel(EphemerisModel(99)) {
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t.Fatal("unknown model accepted")
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}
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prev := GetEphemerisModel()
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t.Cleanup(func() { SetEphemerisModel(prev) })
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SetEphemerisModel(EphemerisLegacy)
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g := deltaTGenerationValue()
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SetEphemerisModel(EphemerisSemianalytic)
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if deltaTGenerationValue() == g {
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t.Fatal("generation did not change")
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}
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g = deltaTGenerationValue()
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SetEphemerisModel(EphemerisSemianalytic)
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if deltaTGenerationValue() != g {
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t.Fatal("setting the same model changed the generation")
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}
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before := HMoonTrueLo(2451545.0)
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SetEphemerisModel(EphemerisLegacy)
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if HMoonTrueLo(2451545.0) == before {
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t.Fatal("moon longitude did not follow the model switch")
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}
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}
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