go-chart/first_value_annotation_test.go
2020-11-22 16:45:10 -08:00

22 lines
487 B
Go

package chart
import (
"testing"
"github.com/wcharczuk/go-chart/v2/testutil"
)
func TestFirstValueAnnotation(t *testing.T) {
// replaced new assertions helper
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},
}
fva := FirstValueAnnotation(series)
testutil.AssertNotEmpty(t, fva.Annotations)
fvaa := fva.Annotations[0]
testutil.AssertEqual(t, 1, fvaa.XValue)
testutil.AssertEqual(t, 5, fvaa.YValue)
}