go-chart/histogram_series_test.go

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2016-07-28 19:36:30 -04:00
package chart
import (
"testing"
assert "github.com/blendlabs/go-assert"
)
func TestHistogramSeries(t *testing.T) {
assert := assert.New(t)
cs := ContinuousSeries{
Name: "Test Series",
XValues: Seq(1.0, 20.0),
YValues: Seq(10.0, -10.0),
}
hs := HistogramSeries{
InnerSeries: cs,
}
for x := 0; x < hs.Len(); x++ {
csx, csy := cs.GetValue(0)
hsx, hsy1, hsy2 := hs.GetBoundedValue(0)
assert.Equal(csx, hsx)
assert.True(hsy1 > 0)
assert.True(hsy2 <= 0)
assert.True(csy < 0 || (csy > 0 && csy == hsy1))
assert.True(csy > 0 || (csy < 0 && csy == hsy2))
}
}