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Vector source / prevent adding features with duplicate id...

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...in the collection.

Previously two features with the same id could be pushed manually in the
features collection and stay there.

This would cause an error when clearing the source.

Fixes #6183.
This commit is contained in:
Olivier Guyot
2019-05-23 11:35:39 +02:00
parent ddb7da3733
commit 442fa907ce
2 changed files with 19 additions and 0 deletions
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13
test/spec/ol/source/vector.test.js
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@@ -719,6 +719,19 @@ describe('ol.source.Vector', function() {
expect(source.getFeatures().length).to.be(0);
});
it('prevents adding two features with a duplicate id in the collection', function() {
source = new VectorSource({
features: new Collection()
});
const feature1 = new Feature();
feature1.setId('1');
const feature2 = new Feature();
feature2.setId('1');
const collection = source.getFeaturesCollection();
collection.push(feature1);
collection.push(feature2);
expect(collection.getLength()).to.be(1);
});
});
describe('with a collection of features plus spatial index', function() {