go-chart/drawing/curve_test.go

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package drawing
import (
"testing"
2018-04-05 09:42:38 +02:00
assert "github.com/blend/go-sdk/assert"
)
type point struct {
X, Y float64
}
type mockLine struct {
inner []point
}
func (ml *mockLine) LineTo(x, y float64) {
ml.inner = append(ml.inner, point{x, y})
}
func (ml mockLine) Len() int {
return len(ml.inner)
}
func TestTraceQuad(t *testing.T) {
assert := assert.New(t)
// Quad
// x1, y1, cpx1, cpy2, x2, y2 float64
// do the 9->12 circle segment
quad := []float64{10, 20, 20, 20, 20, 10}
liner := &mockLine{}
TraceQuad(liner, quad, 0.5)
assert.NotZero(liner.Len())
}