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Adding Unit Tests for minNativeZoom and maxNativeZoom

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Julio Garcia 2016-11-10 13:11:11 -08:00 committed by Per Liedman
parent 243daa90ef
commit d303a7b681
1 changed files with 89 additions and 0 deletions
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89
spec/suites/layer/tile/TileLayerSpec.js
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@ -378,4 +378,93 @@ describe('TileLayer', function () {
}); });
}); });
}); });
describe('minNativeZoom', function () {
before(function () {
div = document.createElement('div');
div.style.width = '400px';
div.style.height = '400px';
div.style.visibility = 'hidden';
document.body.appendChild(div);
map = L.map(div).setView([0, 0], 0);
});
it('returns downscaled tileSize when zoom is lower than minNativeZoom (zoom = 0, minNativeZoom = 1)', function () {
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
minNativeZoom: 1,
tileSize: 256
}).addTo(map);
map.setView([0, 0], 0);
expect(map.getZoom()).to.equal(0);
expect(layer.getTileSize().x).to.equal(128);
expect(layer.getTileSize().y).to.equal(128);
});
it('returns regular tileSize when zoom is equal to minNativeZoom (zoom = 1, minNativeZoom = 1)', function () {
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
minNativeZoom: 1,
tileSize: 256
}).addTo(map);
map.setView([0, 0], 1);
expect(map.getZoom()).to.equal(1);
expect(layer.getTileSize().x).to.equal(256);
expect(layer.getTileSize().y).to.equal(256);
});
it('returns regular tileSize when zoom is greater than minNativeZoom (zoom = 2, minNativeZoom = 1)', function () {
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
minNativeZoom: 1,
tileSize: 256
}).addTo(map);
map.setView([0, 0], 2);
expect(map.getZoom()).to.equal(2);
expect(layer.getTileSize().x).to.equal(256);
expect(layer.getTileSize().y).to.equal(256);
});
});
describe('maxNativeZoom', function () {
before(function () {
div = document.createElement('div');
div.style.width = '400px';
div.style.height = '400px';
div.style.visibility = 'hidden';
document.body.appendChild(div);
map = L.map(div).setView([0, 0], 0);
});
it('returns upscaled tileSize when zoom is higher than maxNativeZoom (zoom = 2, maxNativeZoom = 1)', function () {
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
maxNativeZoom: 1,
tileSize: 256
}).addTo(map);
map.setView([0, 0], 2);
expect(layer.getTileSize().x).to.equal(512);
expect(layer.getTileSize().y).to.equal(512);
});
it('returns regular tileSize when zoom is equal to minNativeZoom (zoom = 1, maxNativeZoom = 1)', function () {
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
maxNativeZoom: 1,
tileSize: 256
}).addTo(map);
map.setView([0, 0], 1);
expect(layer.getTileSize().x).to.equal(256);
expect(layer.getTileSize().y).to.equal(256);
});
it('returns regular tileSize when zoom is lower than minNativeZoom (zoom = 0, maxNativeZoom = 1)', function () {
var layer = L.tileLayer('http://{s}.example.com/{z}/{-y}/{x}.png', {
maxNativeZoom: 1,
tileSize: 256
}).addTo(map);
map.setView([0, 0], 0);
expect(layer.getTileSize().x).to.equal(256);
expect(layer.getTileSize().y).to.equal(256);
});
});
}); });