Function TestFieldDims

plotter/field_test.go:49–85

(t *testing.T)

}

func TestFieldDims(t *testing.T) {
	for _, test := range []struct {
		rows int
		cols int
	}{
		{rows: 1, cols: 2},
		{rows: 2, cols: 1},
		{rows: 2, cols: 2},
	} {
		func() {
			defer func() {
				r := recover()
				if r != nil {
					t.Errorf("unexpected panic for rows=%d cols=%d: %v", test.rows, test.cols, r)
				}
			}()

			f := plotter.NewField(field{
				r: test.rows, c: test.cols,
				fn: func(x, y float64) plotter.XY {
					return plotter.XY{
						X: y,
						Y: -x,
					}
				},
			})

			p := plot.New()
			p.Add(f)

			img := vgimg.New(250, 175)
			dc := draw.New(img)

			p.Draw(dc)
		}()
	}
}