20 lines
432 B
Go
20 lines
432 B
Go
package indicator
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import (
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"testing"
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"git.qtrade.icu/lychiyu/bbgo/pkg/types"
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"github.com/stretchr/testify/assert"
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)
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func Test_VIDYA(t *testing.T) {
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vidya := &VIDYA{IntervalWindow: types.IntervalWindow{Window: 16}}
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vidya.Update(1)
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assert.Equal(t, vidya.Last(0), 1.)
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vidya.Update(2)
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newV := 2./17.*2. + 1.*(1.-2./17.)
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assert.Equal(t, vidya.Last(0), newV)
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vidya.Update(1)
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assert.Equal(t, vidya.Last(0), vidya.Index(1))
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}
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