36 lines
598 B
Go
36 lines
598 B
Go
package chart
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import (
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"math"
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"testing"
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"github.com/blendlabs/go-assert"
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)
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func TestEMASeries(t *testing.T) {
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assert := assert.New(t)
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mockSeries := mockValueProvider{
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Seq(1.0, 10.0),
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Seq(10, 1.0),
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}
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assert.Equal(10, mockSeries.Len())
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mas := &EMASeries{
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InnerSeries: mockSeries,
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}
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var yvalues []float64
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for x := 0; x < mas.Len(); x++ {
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_, y := mas.GetValue(x)
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yvalues = append(yvalues, y)
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}
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assert.Equal(10.0, yvalues[0])
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assert.True(math.Abs(yvalues[9]-3.77) < 0.01)
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lvx, lvy := mas.GetLastValue()
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assert.Equal(10.0, lvx)
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assert.True(math.Abs(lvy-3.77) < 0.01)
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}
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