e4d857b167
git-svn-id: http://svn.openlayers.org/trunk/openlayers@4059 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
190 lines
9.2 KiB
HTML
190 lines
9.2 KiB
HTML
<html>
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<head>
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<script src="../../lib/OpenLayers.js"></script>
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<script type="text/javascript">
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var points = [];
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for(var i=0; i<12; ++i) {
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points.push(new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.Point(Math.random() * 100,
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Math.random() * 100))
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);
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}
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var multipoint = new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.MultiPoint([
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points[0].geometry, points[1].geometry, points[2].geometry
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])
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);
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var linestrings = [
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new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.LineString([points[0].geometry, points[1].geometry, points[2].geometry])
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),
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new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.LineString([points[3].geometry, points[4].geometry, points[5].geometry])
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)
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];
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var multilinestring = new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.MultiLineString([
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linestrings[0].geometry, linestrings[1].geometry
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])
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);
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var rings = [
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new OpenLayers.Geometry.LinearRing([points[0].geometry, points[1].geometry, points[2].geometry]),
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new OpenLayers.Geometry.LinearRing([points[3].geometry, points[4].geometry, points[5].geometry]),
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new OpenLayers.Geometry.LinearRing([points[6].geometry, points[7].geometry, points[8].geometry]),
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new OpenLayers.Geometry.LinearRing([points[9].geometry, points[10].geometry, points[11].geometry])
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];
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var polygons = [
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new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.Polygon([rings[0], rings[1]])
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),
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new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.Polygon([rings[2], rings[3]])
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)
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];
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var multipolygon = new OpenLayers.Feature.Vector(
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new OpenLayers.Geometry.MultiPolygon([
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polygons[0].geometry, polygons[1].geometry
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])
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);
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var collection = [points[0], linestrings[0]];
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function test_Format_WKT_constructor(t) {
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t.plan(4);
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var options = {'foo': 'bar'};
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var format = new OpenLayers.Format.WKT(options);
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t.ok(format instanceof OpenLayers.Format.WKT,
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"new OpenLayers.Format.WKT returns object" );
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t.eq(format.foo, "bar", "constructor sets options correctly");
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t.eq(typeof format.read, "function", "format has a read function");
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t.eq(typeof format.write, "function", "format has a write function");
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}
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function test_Format_WKT_write(t) {
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t.plan(7);
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var format = new OpenLayers.Format.WKT();
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// test a point
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t.eq(format.write(points[0]),
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"POINT(" + points[0].geometry.x + " " + points[0].geometry.y + ")",
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"format correctly writes Point WKT");
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// test a multipoint
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t.eq(format.write(multipoint),
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"MULTIPOINT(" + points[0].geometry.x + " " + points[0].geometry.y + "," +
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points[1].geometry.x + " " + points[1].geometry.y + "," +
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points[2].geometry.x + " " + points[2].geometry.y + ")",
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"format correctly writes MultiPoint WKT");
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// test a linestring
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t.eq(format.write(linestrings[0]),
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"LINESTRING(" + points[0].geometry.x + " " + points[0].geometry.y + "," +
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points[1].geometry.x + " " + points[1].geometry.y + "," +
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points[2].geometry.x + " " + points[2].geometry.y + ")",
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"format correctly writes LineString WKT");
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// test a multilinestring
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t.eq(format.write(multilinestring),
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"MULTILINESTRING((" + points[0].geometry.x + " " + points[0].geometry.y + "," +
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points[1].geometry.x + " " + points[1].geometry.y + "," +
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points[2].geometry.x + " " + points[2].geometry.y + ")," +
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"(" + points[3].geometry.x + " " + points[3].geometry.y + "," +
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points[4].geometry.x + " " + points[4].geometry.y + "," +
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points[5].geometry.x + " " + points[5].geometry.y + "))",
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"format correctly writes MultiLineString WKT");
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// test a polygon
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t.eq(format.write(polygons[0]),
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"POLYGON((" + points[0].geometry.x + " " + points[0].geometry.y + "," +
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points[1].geometry.x + " " + points[1].geometry.y + "," +
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points[2].geometry.x + " " + points[2].geometry.y + "," +
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points[0].geometry.x + " " + points[0].geometry.y + ")," +
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"(" + points[3].geometry.x + " " + points[3].geometry.y + "," +
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points[4].geometry.x + " " + points[4].geometry.y + "," +
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points[5].geometry.x + " " + points[5].geometry.y + "," +
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points[3].geometry.x + " " + points[3].geometry.y + "))",
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"format correctly writes Polygon WKT");
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// test a multipolygon
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t.eq(format.write(multipolygon),
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"MULTIPOLYGON(((" + points[0].geometry.x + " " + points[0].geometry.y + "," +
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points[1].geometry.x + " " + points[1].geometry.y + "," +
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points[2].geometry.x + " " + points[2].geometry.y + "," +
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points[0].geometry.x + " " + points[0].geometry.y + ")," +
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"(" + points[3].geometry.x + " " + points[3].geometry.y + "," +
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points[4].geometry.x + " " + points[4].geometry.y + "," +
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points[5].geometry.x + " " + points[5].geometry.y + "," +
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points[3].geometry.x + " " + points[3].geometry.y + "))," +
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"((" + points[6].geometry.x + " " + points[6].geometry.y + "," +
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points[7].geometry.x + " " + points[7].geometry.y + "," +
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points[8].geometry.x + " " + points[8].geometry.y + "," +
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points[6].geometry.x + " " + points[6].geometry.y + ")," +
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"(" + points[9].geometry.x + " " + points[9].geometry.y + "," +
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points[10].geometry.x + " " + points[10].geometry.y + "," +
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points[11].geometry.x + " " + points[11].geometry.y + "," +
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points[9].geometry.x + " " + points[9].geometry.y + ")))",
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"format correctly writes MultiPolygon WKT");
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// test a geometrycollection
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t.eq(format.write(collection),
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"GEOMETRYCOLLECTION(POINT(" + points[0].geometry.x + " " + points[0].geometry.y + ")," +
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"LINESTRING(" + points[0].geometry.x + " " + points[0].geometry.y + "," +
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points[1].geometry.x + " " + points[1].geometry.y + "," +
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points[2].geometry.x + " " + points[2].geometry.y + "))",
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"format correctly writes GeometryCollection WKT");
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}
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function test_Format_WKT_read(t) {
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t.plan(7);
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var format = new OpenLayers.Format.WKT();
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/**
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* Since we're explicitly testing calls to write, the read tests
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* just make sure that geometry can make a round trip from read to write.
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*/
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// test a point
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t.ok(points[0].geometry.equals(format.read(format.write(points[0])).geometry),
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"format correctly reads Point WKT");
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// test a multipoint
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t.ok(multipoint.geometry.equals(format.read(format.write(multipoint)).geometry),
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"format correctly reads MultiPoint WKT");
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// test a linestring
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t.ok(linestrings[0].geometry.equals(format.read(format.write(linestrings[0])).geometry),
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"format correctly reads LineString WKT");
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// test a multilinestring
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t.ok(multilinestring.geometry.equals(format.read(format.write(multilinestring)).geometry),
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"format correctly reads MultiLineString WKT");
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// test a polygon
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t.ok(polygons[0].geometry.equals(format.read(format.write(polygons[0])).geometry),
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"format correctly reads Polygon WKT");
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// test a multipolygon
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t.ok(multipolygon.geometry.equals(format.read(format.write(multipolygon)).geometry),
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"format correctly reads MultiPolygon WKT");
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// test a geometrycollection
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t.eq(format.write(collection),
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"GEOMETRYCOLLECTION(POINT(" + points[0].geometry.x + " " + points[0].geometry.y + ")," +
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"LINESTRING(" + points[0].geometry.x + " " + points[0].geometry.y + "," +
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points[1].geometry.x + " " + points[1].geometry.y + "," +
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points[2].geometry.x + " " + points[2].geometry.y + "))",
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"format correctly writes GeometryCollection WKT");
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}
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</script>
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</head>
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<body>
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</body>
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</html> |