35 lines
742 B
Go
35 lines
742 B
Go
package chart
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import (
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"testing"
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"github.com/wcharczuk/go-chart/v2/testutil"
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)
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func TestPercentageDifferenceSeries(t *testing.T) {
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// replaced new assertions helper
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cs := ContinuousSeries{
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XValues: LinearRange(1.0, 10.0),
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YValues: LinearRange(1.0, 10.0),
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}
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pcs := PercentChangeSeries{
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Name: "Test Series",
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InnerSeries: cs,
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}
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testutil.AssertEqual(t, "Test Series", pcs.GetName())
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testutil.AssertEqual(t, 10, pcs.Len())
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x0, y0 := pcs.GetValues(0)
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testutil.AssertEqual(t, 1.0, x0)
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testutil.AssertEqual(t, 0, y0)
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xn, yn := pcs.GetValues(9)
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testutil.AssertEqual(t, 10.0, xn)
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testutil.AssertEqual(t, 9.0, yn)
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xn, yn = pcs.GetLastValues()
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testutil.AssertEqual(t, 10.0, xn)
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testutil.AssertEqual(t, 9.0, yn)
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}
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