mirror of https://github.com/tidwall/tile38.git
63 lines
2.7 KiB
Go
63 lines
2.7 KiB
Go
package geojson
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import "testing"
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func TestPolygonParse(t *testing.T) {
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json := `{"type":"Polygon","coordinates":[[[0,0],[10,0],[10,10],[0,10],[0,0]]]}`
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g := expectJSON(t, json, nil)
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json = `{"type":"Polygon","coordinates":[
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[[0,0],[10,0],[10,10],[0,10],[0,0]],
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[[2,2],[8,2],[8,8],[2,8],[2,2]]
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]}`
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g = expectJSON(t, json, nil)
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if g.Center() != P(5, 5) {
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t.Fatalf("expected '%v', got '%v'", P(5, 5), g.Center())
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}
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expectJSON(t, `{"type":"Polygon","coordinates":[[1,null]]}`, errCoordinatesInvalid)
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expectJSON(t, `{"type":"Polygon","coordinates":[]}`, errCoordinatesInvalid)
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expectJSON(t, `{"type":"Polygon","coordinates":[[[0,0],[10,0],[5,10],[0,0]],[[1,1]]]}`, errCoordinatesInvalid)
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expectJSON(t, `{"type":"Polygon","coordinates":[[[0,0],[10,0],[5,10],[0,0]]],"bbox":null}`, nil)
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expectJSON(t, `{"type":"Polygon"}`, errCoordinatesMissing)
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expectJSON(t, `{"type":"Polygon","coordinates":null}`, errCoordinatesInvalid)
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expectJSON(t, `{"type":"Polygon","coordinates":[null]}`, errCoordinatesInvalid)
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expectJSON(t, `{"type":"Polygon","coordinates":[[null]]}`, errCoordinatesInvalid)
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expectJSON(t,
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`{"type":"Polygon","coordinates":[[[0,0,0,0,0],[10,0],[5,10],[0,0]]]}`,
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`{"type":"Polygon","coordinates":[[[0,0,0,0],[10,0,0,0],[5,10,0,0],[0,0,0,0]]]}`)
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expectJSON(t,
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`{"type":"Polygon","coordinates":[[[0,0,0],[10,0,4,5],[5,10],[0,0]]]}`,
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`{"type":"Polygon","coordinates":[[[0,0,0],[10,0,4],[5,10,0],[0,0,0]]]}`)
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}
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func TestPolygonVarious(t *testing.T) {
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var g = expectJSON(t, `{"type":"Polygon","coordinates":[[[0,0],[10,0],[10,10],[0,10],[0,0]]]}`, nil)
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expect(t, string(g.AppendJSON(nil)) == `{"type":"Polygon","coordinates":[[[0,0],[10,0],[10,10],[0,10],[0,0]]]}`)
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expect(t, g.Rect() == R(0, 0, 10, 10))
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expect(t, g.Center() == P(5, 5))
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expect(t, !g.Empty())
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}
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// func TestPolygonPoly(t *testing.T) {
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// json := `{"type":"Polygon","coordinates":[[[0,0],[10,0],[10,10],[0,10],[0,0]]]}`
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// g := expectJSON(t, json, nil)
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// expect(t, g.Contains(PO(5, 5)))
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// expect(t, g.Contains(RO(5, 5, 6, 6)))
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// expect(t, g.Contains(expectJSON(t, `{"type":"LineString","coordinates":[
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// [5,5],[5,6],[6,5]
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// ]}`, nil)))
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// expect(t, g.Intersects(PO(5, 5)))
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// expect(t, g.Intersects(RO(5, 5, 6, 6)))
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// expect(t, g.Intersects(expectJSON(t, `{"type":"LineString","coordinates":[
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// [5,5],[5,6],[6,5],[50,50]
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// ]}`, nil)))
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// expect(t, g.Intersects(expectJSON(t, `{"type":"Polygon","coordinates":[[
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// [5,5],[5,6],[6,5],[50,50],[5,5]
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// ]]}`, nil)))
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// expect(t, !g.Contains(expectJSON(t, `{"type":"Polygon","coordinates":[[
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// [5,5],[5,6],[6,5],[50,50],[5,5]
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// ]]}`, nil)))
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// expect(t, g.Contains(expectJSON(t, `{"type":"Polygon","coordinates":[[
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// [5,5],[5,6],[6,5],[5,5]
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// ]]}`, nil)))
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// }
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