tile38/vendor/github.com/tidwall/grect/grect_test.go

102 lines
3.3 KiB
Go

package grect
import (
"fmt"
"math/rand"
"testing"
"time"
)
func testGet(t *testing.T, s, expect string) {
if Get(s).String() != expect {
t.Fatalf("for '%v': expected '%v', got '%v'", s, expect, Get(s).String())
}
}
func TestRect(t *testing.T) {
testGet(t, "", "[]")
testGet(t, "[]", "[]")
testGet(t, "[],[]", "[]")
testGet(t, "[],[],[]", "[]")
testGet(t, "[10]", "[10]")
testGet(t, "[10],[10]", "[10]")
testGet(t, "[10 11],[10]", "[10 11]")
testGet(t, "[10 11],[11 10]", "[10 10],[11 11]")
testGet(t, ",[10]", "[10]")
testGet(t, "[10 11]", "[10 11]")
testGet(t, "[-3 -2 -1 0 1 2 3],[3 2 1 0 -1 -2 -3]", "[-3 -2 -1 0 -1 -2 -3],[3 2 1 0 1 2 3]")
}
func TestWKT(t *testing.T) {
testGet(t, "POINT(1 2)", "[1 2]")
testGet(t, "LINESTRING(3 4, -1 -3, (-20 15 18 ))", "[-20 -3 18],[3 15 18]")
testGet(t, "POLYGON (((1 2 0), 3 4 1, -1 -3 123))", "[-1 -3 0],[3 4 123]")
testGet(t, "MULTIPOINT (1 2, 3 4, -1 0)", "[-1 0],[3 4]")
testGet(t, " mUltiLineString ( (1 2, 3 4),(3 4, (5 6)), (-1 -2 -3)) ", "[-1 -2 -3],[5 6 -3]")
testGet(t, ` MULTIPOLYGON (
((1 2,2 3),(2 3,8 9)),
((4 5,6 7))
)`, "[1 2],[8 9]")
testGet(t, `
GEOMETRYCOLLECTION (
POLYGON EMPTY,
POINT EMPTY,
POINT(1000 2),
POINT EMPTY,
LINESTRING(3 4, -1 -3, (-20 15 18)),
GEOMETRYCOLLECTION EMPTY,
GEOMETRYCOLLECTION(POINT(-1000),POLYGON((10 20,-50 1500))),
)`, "[-1000 -3 18],[1000 1500 18]")
}
func TestGeoJSON(t *testing.T) {
testGet(t, `{"type":"Point","coordinates":[1,2]}`, "[1 2]")
testGet(t, `{"type":"LineString","coordinates":[[3,4], [-1,-3], [-20,15,18]]}`, "[-20 -3 18],[3 15 18]")
testGet(t, `{"type":"Polygon", "coordinates": [[[[1,2,0]],[ 3,4,1], [-1,-3,123]]]}`, "[-1 -3 0],[3 4 123]")
testGet(t, `{"type":"MultiPoint", "coordinates":[[1,2], [3,4], [-1,0]]}`, "[-1 0],[3 4]")
testGet(t, `{"type":"mUltiLineString","coordinates": [ [[1,2], [3,4]],[[3,4], [5,6]], [-1,-2,-3]]} `, "[-1 -2 -3],[5 6 -3]")
testGet(t, `{"type":"MULTIPOLYGON","coordinates": [
[[[1 2],[2 3]],[[2 3],[8 9]]],
[[[4 5],[6 7]]]
)`, "[1 2],[8 9]")
testGet(t, `{"type":"GeometryCollection", "geometries":[
{"type":"Feature","geometry":{"type":"Point","coordinates":[0 -10, 17]}},
{"type":"FeatureCollection","features":[
{"type":"Feature","geometry":{"type":"Point","coordinates":[0 -10]}},
{"type":"Feature","geometry":{"type":"Point","coordinates":[0 -11]}}
]},
{"type":"POLYGON","coordinates":[]},
{"type":"POINT","coordinates":[]},
{"type":"POINT","coordinates":[1000,2]},
{"type":"POINT","coordinates":[]},
{"type":"LINESTRING","coordinates":[[3,4], [-1,-3], [[-20,15,18]]]},
{"type":"GeometryCollection","geometries":[]},
{"type":"GeometryCollection","geometries":[
{"type":"Point","coordinates":[-1000]},
{"type":"Polygon","coordinates":[[[10,20],[-50,1500]]]}
],
]}`, "[-1000 -11 17],[1000 1500 18]")
}
func TestRandom(t *testing.T) {
buf := make([]byte, 50)
rand.Seed(time.Now().UnixNano())
for i := 0; i < 10000000; i++ {
rand.Read(buf)
Get(string(buf))
}
}
func ExampleGet() {
r := Get(`{
"type": "Polygon",
"coordinates": [
[ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0],
[100.0, 1.0], [100.0, 0.0] ]
]
}`)
fmt.Printf("%v %v\n", r.Min, r.Max)
// Output:
// [100 0] [101 1]
}