mirror of https://github.com/tidwall/tile38.git
58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
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package geojson
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import "testing"
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func TestClipLineString(t *testing.T) {
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ls, _ := fillLineString(
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[]Position{
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{X: 1, Y: 1},
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{X: 2, Y: 2},
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{X: 3, Y: 1},
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}, nil, nil)
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bbox := BBox{
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Min: Position{X: 1.5, Y: 0.5},
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Max: Position{X: 2.5, Y: 1.8},
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}
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clipped := ls.Clipped(bbox)
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cl, ok := clipped.(MultiLineString)
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if !ok {
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t.Fatal("wrong type")
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}
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if len(cl.Coordinates) != 2 {
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t.Fatal("result must have two parts in MultiString")
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}
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}
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func TestClipPolygon(t *testing.T) {
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outer := []Position{
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{X: 2, Y: 2},
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{X: 1, Y: 2},
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{X: 1.5, Y: 1.5},
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{X: 1, Y: 1},
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{X: 2, Y: 1},
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{X: 2, Y: 2},
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}
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inner := []Position{
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{X: 1.9, Y: 1.9},
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{X: 1.2, Y: 1.9},
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{X: 1.45, Y: 1.65},
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{X: 1.9, Y: 1.5},
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{X: 1.9, Y: 1.9},
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}
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polygon, _ := fillPolygon([][]Position{outer, inner}, nil, nil)
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bbox := BBox{
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Min: Position{X: 1.3, Y: 1.3},
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Max: Position{X: 1.4, Y: 2.15},
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}
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clipped := polygon.Clipped(bbox)
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cp, ok := clipped.(Polygon)
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if !ok {
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t.Fatal("wrong type")
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}
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if len(cp.Coordinates) != 2 {
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t.Fatal("result must have two parts in Polygon")
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}
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}
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