go-chart/last_value_annotation_test.go
2018-09-07 12:52:30 -07:00

23 lines
431 B
Go

package chart
import (
"testing"
"github.com/blend/go-sdk/assert"
)
func TestLastValueAnnotation(t *testing.T) {
assert := assert.New(t)
series := ContinuousSeries{
XValues: []float64{1.0, 2.0, 3.0, 4.0, 5.0},
YValues: []float64{5.0, 3.0, 3.0, 2.0, 1.0},
}
lva := LastValueAnnotation(series)
assert.NotEmpty(lva.Annotations)
lvaa := lva.Annotations[0]
assert.Equal(5, lvaa.XValue)
assert.Equal(1, lvaa.YValue)
}