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

41 lines
826 B
Go

package chart
import (
"testing"
"github.com/wcharczuk/go-chart/v2/testutil"
)
func TestConcatSeries(t *testing.T) {
// replaced new assertions helper
s1 := ContinuousSeries{
XValues: LinearRange(1.0, 10.0),
YValues: LinearRange(1.0, 10.0),
}
s2 := ContinuousSeries{
XValues: LinearRange(11, 20.0),
YValues: LinearRange(10.0, 1.0),
}
s3 := ContinuousSeries{
XValues: LinearRange(21, 30.0),
YValues: LinearRange(1.0, 10.0),
}
cs := ConcatSeries([]Series{s1, s2, s3})
testutil.AssertEqual(t, 30, cs.Len())
x0, y0 := cs.GetValue(0)
testutil.AssertEqual(t, 1.0, x0)
testutil.AssertEqual(t, 1.0, y0)
xm, ym := cs.GetValue(19)
testutil.AssertEqual(t, 20.0, xm)
testutil.AssertEqual(t, 1.0, ym)
xn, yn := cs.GetValue(29)
testutil.AssertEqual(t, 30.0, xn)
testutil.AssertEqual(t, 10.0, yn)
}