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Also accept empty array for ol.geom.MultiPolygon

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This commit is contained in:
tsauerwein
2014-07-10 15:58:27 +02:00
parent 9dc17230c2
commit 7c22d8ffd4
2 changed files with 32 additions and 4 deletions
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10
src/ol/geom/multipolygon.js
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@@ -330,9 +330,13 @@ ol.geom.MultiPolygon.prototype.setCoordinates =
}
var endss = ol.geom.flat.deflate.coordinatesss(
this.flatCoordinates, 0, coordinates, this.stride, this.endss_);
var lastEnds = endss[endss.length - 1];
this.flatCoordinates.length = lastEnds.length === 0 ?
0 : lastEnds[lastEnds.length - 1];
if (endss.length === 0) {
this.flatCoordinates.length = 0;
} else {
var lastEnds = endss[endss.length - 1];
this.flatCoordinates.length = lastEnds.length === 0 ?
0 : lastEnds[lastEnds.length - 1];
}
this.dispatchChangeEvent();
}
};

26
test/spec/ol/geom/multipolygon.test.js
View File

@@ -10,7 +10,7 @@ describe('ol.geom.MultiPolygon', function() {
}).not.to.throwException();
});
describe('with an empty MultiPolygon', function() {
describe('with a null MultiPolygon', function() {
var multiPolygon;
beforeEach(function() {
@@ -28,6 +28,30 @@ describe('ol.geom.MultiPolygon', function() {
[[[0, 0], [0, 2], [1, 1], [2, 0]]],
[[[3, 0], [4, 1], [5, 2], [5, 0]]]
]);
expect(multiPolygon.getPolygons().length).to.eql(2);
});
});
describe('with an empty MultiPolygon', function() {
var multiPolygon;
beforeEach(function() {
multiPolygon = new ol.geom.MultiPolygon([]);
});
it('can append polygons', function() {
multiPolygon.appendPolygon(
new ol.geom.Polygon([[[0, 0], [0, 2], [1, 1], [2, 0]]]));
expect(multiPolygon.getCoordinates()).to.eql(
[[[[0, 0], [0, 2], [1, 1], [2, 0]]]]);
multiPolygon.appendPolygon(
new ol.geom.Polygon([[[3, 0], [4, 1], [5, 2], [5, 0]]]));
expect(multiPolygon.getCoordinates()).to.eql([
[[[0, 0], [0, 2], [1, 1], [2, 0]]],
[[[3, 0], [4, 1], [5, 2], [5, 0]]]
]);
expect(multiPolygon.getPolygons().length).to.eql(2);
});
});