package chart import ( "testing" "github.com/blendlabs/go-assert" ) func TestBollingerBandSeries(t *testing.T) { assert := assert.New(t) s1 := mockValueProvider{ X: Seq(1.0, 100.0), Y: SeqRand(100, 1024), } bbs := &BollingerBandsSeries{ InnerSeries: s1, } xvalues := make([]float64, 100) y1values := make([]float64, 100) y2values := make([]float64, 100) for x := 0; x < 100; x++ { xvalues[x], y1values[x], y2values[x] = bbs.GetBoundedValue(x) } for x := bbs.GetWindowSize(); x < 100; x++ { assert.True(y1values[x] > y2values[x]) } }