124 lines
4.4 KiB
JavaScript
124 lines
4.4 KiB
JavaScript
import _ol_tilecoord_ from '../../../src/ol/tilecoord.js';
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import _ol_tilegrid_TileGrid_ from '../../../src/ol/tilegrid/TileGrid.js';
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describe('ol.TileCoord', function() {
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describe('create', function() {
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it('sets x y z properties as expected', function() {
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var tileCoord = [1, 2, 3];
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expect(tileCoord[0]).to.eql(1);
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expect(tileCoord[1]).to.eql(2);
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expect(tileCoord[2]).to.eql(3);
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});
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});
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describe('call quadKey', function() {
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it('returns expected string', function() {
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var tileCoord = [3, 3, 5];
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var s = _ol_tilecoord_.quadKey(tileCoord);
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expect(s).to.eql('213');
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});
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});
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describe('getKey()', function() {
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it('returns a key for a tile coord', function() {
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var key = _ol_tilecoord_.getKey([1, 2, 3]);
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expect(key).to.eql('1/2/3');
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});
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});
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describe('fromKey()', function() {
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it('returns a tile coord given a key', function() {
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var tileCoord = [1, 2, 3];
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var key = _ol_tilecoord_.getKey(tileCoord);
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var returned = _ol_tilecoord_.fromKey(key);
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expect(returned).to.eql(tileCoord);
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});
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});
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describe('hash', function() {
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it('produces different hashes for different tile coords', function() {
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var tileCoord1 = [3, 2, 1];
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var tileCoord2 = [3, 1, 1];
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expect(_ol_tilecoord_.hash(tileCoord1)).not.to.eql(
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_ol_tilecoord_.hash(tileCoord2));
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});
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});
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describe('withinExtentAndZ', function() {
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it('restricts by z', function() {
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var tileGrid = new _ol_tilegrid_TileGrid_({
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extent: [10, 20, 30, 40],
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tileSize: 10,
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resolutions: [2, 1],
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minZoom: 1
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});
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expect(_ol_tilecoord_.withinExtentAndZ([0, 0, -1], tileGrid)).to.be(false);
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expect(_ol_tilecoord_.withinExtentAndZ([1, 0, -1], tileGrid)).to.be(true);
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expect(_ol_tilecoord_.withinExtentAndZ([2, 0, -1], tileGrid)).to.be(false);
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});
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it('restricts by extent when extent defines tile ranges', function() {
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var tileGrid = new _ol_tilegrid_TileGrid_({
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extent: [10, 20, 30, 40],
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sizes: [[3, -3]],
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tileSize: 10,
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resolutions: [1]
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});
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expect(_ol_tilecoord_.withinExtentAndZ([0, 1, -2], tileGrid)).to.be(true);
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expect(_ol_tilecoord_.withinExtentAndZ([0, 2, -1], tileGrid)).to.be(false);
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expect(_ol_tilecoord_.withinExtentAndZ([0, 0, -3], tileGrid)).to.be(false);
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});
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it('restricts by extent when sizes define tile ranges', function() {
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var tileGrid = new _ol_tilegrid_TileGrid_({
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origin: [10, 20],
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sizes: [[3, 3]],
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tileSize: 10,
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resolutions: [1]
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});
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expect(_ol_tilecoord_.withinExtentAndZ([0, 0, 0], tileGrid)).to.be(true);
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expect(_ol_tilecoord_.withinExtentAndZ([0, -1, 0], tileGrid)).to.be(false);
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expect(_ol_tilecoord_.withinExtentAndZ([0, 0, -1], tileGrid)).to.be(false);
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expect(_ol_tilecoord_.withinExtentAndZ([0, 2, 2], tileGrid)).to.be(true);
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expect(_ol_tilecoord_.withinExtentAndZ([0, 3, 0], tileGrid)).to.be(false);
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expect(_ol_tilecoord_.withinExtentAndZ([0, 0, 3], tileGrid)).to.be(false);
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});
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it('restricts by extent when sizes (neg y) define tile ranges', function() {
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var tileGrid = new _ol_tilegrid_TileGrid_({
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origin: [10, 40],
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sizes: [[3, -3]],
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tileSize: 10,
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resolutions: [1]
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});
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expect(_ol_tilecoord_.withinExtentAndZ([0, 0, -1], tileGrid)).to.be(true);
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expect(_ol_tilecoord_.withinExtentAndZ([0, -1, -1], tileGrid)).to.be(false);
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expect(_ol_tilecoord_.withinExtentAndZ([0, 0, 0], tileGrid)).to.be(false);
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expect(_ol_tilecoord_.withinExtentAndZ([0, 2, -3], tileGrid)).to.be(true);
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expect(_ol_tilecoord_.withinExtentAndZ([0, 3, -1], tileGrid)).to.be(false);
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expect(_ol_tilecoord_.withinExtentAndZ([0, 0, -4], tileGrid)).to.be(false);
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});
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it('does not restrict by extent with no extent or sizes', function() {
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var tileGrid = new _ol_tilegrid_TileGrid_({
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origin: [10, 20],
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tileSize: 10,
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resolutions: [1]
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});
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expect(_ol_tilecoord_.withinExtentAndZ([0, Infinity, 0], tileGrid))
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.to.be(true);
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expect(_ol_tilecoord_.withinExtentAndZ([0, 0, Infinity], tileGrid))
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.to.be(true);
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expect(_ol_tilecoord_.withinExtentAndZ([0, -Infinity, 0], tileGrid))
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.to.be(true);
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expect(_ol_tilecoord_.withinExtentAndZ([0, 0, Infinity], tileGrid))
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.to.be(true);
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});
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});
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});
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