go-chart/drawing/curve_test.go
Will Charczuk b713ff85cc Adds the ability to draw an XY scatter plot. (#27)
* works more or less

* updating comment

* removing debugging printf

* adding output

* tweaks

* missed a couple series validations

* testing auto coloring

* updated output.png

* color tests etc.

* sanity check tests.

* should not use unkeyed fields anyway.
2017-03-05 16:54:40 -08:00

36 lines
570 B
Go

package drawing
import (
"testing"
assert "github.com/blendlabs/go-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())
}