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Make TileGrid behave as documented with extent and sizes options

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This commit is contained in:
Andreas Hocevar
2020-09-07 11:07:12 +02:00
parent da5e4ffbb6
commit 0f8c8af833
4 changed files with 54 additions and 12 deletions
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2
test/spec/ol/tilecoord.test.js
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@@ -57,7 +57,7 @@ describe('ol.TileCoord', function () {
it('restricts by extent when extent defines tile ranges', function () {
const tileGrid = new TileGrid({
extent: [10, 20, 30, 40],
sizes: [[3, -3]],
sizes: [[3, 3]],
tileSize: 10,
resolutions: [1],
});

45
test/spec/ol/tilegrid/tilegrid.test.js
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@@ -210,6 +210,26 @@ describe('ol.tilegrid.TileGrid', function () {
});
});
describe('create with sizes', function () {
let tileGrid;
beforeEach(function () {
tileGrid = new TileGrid({
origin: [10, 40],
sizes: [[3, 3]],
tileSize: 10,
resolutions: [1],
});
});
it('calculates full tile ranges from sizes', function () {
const fullTileRange = tileGrid.getFullTileRange(0);
expect(fullTileRange.minX).to.equal(0);
expect(fullTileRange.maxX).to.equal(2);
expect(fullTileRange.minY).to.equal(0);
expect(fullTileRange.maxY).to.equal(2);
});
});
describe('create with extent and sizes', function () {
let tileGrid;
beforeEach(function () {
@@ -225,12 +245,31 @@ describe('ol.tilegrid.TileGrid', function () {
expect(tileGrid.getExtent()).to.eql([10, 20, 30, 40]);
});
it('calculates full tile ranges from sizes', function () {
it('calculates full tile ranges from sizes, further limited by extent', function () {
const fullTileRange = tileGrid.getFullTileRange(0);
expect(fullTileRange.minX).to.equal(0);
expect(fullTileRange.maxX).to.equal(2);
expect(fullTileRange.maxX).to.equal(1);
expect(fullTileRange.minY).to.equal(0);
expect(fullTileRange.maxY).to.equal(2);
expect(fullTileRange.maxY).to.equal(1);
});
});
describe('create with extent', function () {
let tileGrid;
beforeEach(function () {
tileGrid = new TileGrid({
extent: [10, 20, 30, 40],
tileSize: 10,
resolutions: [1],
});
});
it('calculates full tile ranges from extent', function () {
const fullTileRange = tileGrid.getFullTileRange(0);
expect(fullTileRange.minX).to.equal(0);
expect(fullTileRange.maxX).to.equal(1);
expect(fullTileRange.minY).to.equal(0);
expect(fullTileRange.maxY).to.equal(1);
});
});