784 lines
27 KiB
JavaScript
784 lines
27 KiB
JavaScript
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goog.require('ol.extent');
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goog.require('ol.proj');
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describe('ol.extent', function() {
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describe('buffer', function() {
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it('buffers an extent by some value', function() {
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var extent = [-10, -20, 10, 20];
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expect(ol.extent.buffer(extent, 15)).to.eql([-25, -35, 25, 35]);
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});
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});
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describe('clone', function() {
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it('creates a copy of an extent', function() {
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var extent = ol.extent.createOrUpdate(1, 2, 3, 4);
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var clone = ol.extent.clone(extent);
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expect(ol.extent.equals(extent, clone)).to.be(true);
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ol.extent.extendCoordinate(extent, [10, 20]);
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expect(ol.extent.equals(extent, clone)).to.be(false);
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});
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});
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describe('closestSquaredDistanceXY', function() {
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it('returns correct result when x left of extent', function() {
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var extent = ol.extent.createOrUpdate(0, 0, 1, 1);
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var x = -2;
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var y = 0;
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expect(ol.extent.closestSquaredDistanceXY(extent, x, y)).to.be(4);
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});
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it('returns correct result when x right of extent', function() {
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var extent = ol.extent.createOrUpdate(0, 0, 1, 1);
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var x = 3;
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var y = 0;
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expect(ol.extent.closestSquaredDistanceXY(extent, x, y)).to.be(4);
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});
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it('returns correct result for other x values', function() {
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var extent = ol.extent.createOrUpdate(0, 0, 1, 1);
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var x = 0.5;
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var y = 3;
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expect(ol.extent.closestSquaredDistanceXY(extent, x, y)).to.be(4);
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});
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it('returns correct result when y below extent', function() {
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var extent = ol.extent.createOrUpdate(0, 0, 1, 1);
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var x = 0;
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var y = -2;
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expect(ol.extent.closestSquaredDistanceXY(extent, x, y)).to.be(4);
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});
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it('returns correct result when y above extent', function() {
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var extent = ol.extent.createOrUpdate(0, 0, 1, 1);
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var x = 0;
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var y = 3;
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expect(ol.extent.closestSquaredDistanceXY(extent, x, y)).to.be(4);
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});
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it('returns correct result for other y values', function() {
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var extent = ol.extent.createOrUpdate(0, 0, 1, 1);
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var x = 3;
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var y = 0.5;
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expect(ol.extent.closestSquaredDistanceXY(extent, x, y)).to.be(4);
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});
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});
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describe('createOrUpdateFromCoordinate', function() {
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it('works when no extent passed', function() {
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var coords = [0, 1];
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var expected = [0, 1, 0, 1];
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var got = ol.extent.createOrUpdateFromCoordinate(coords);
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expect(got).to.eql(expected);
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});
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it('updates a passed extent', function() {
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var extent = ol.extent.createOrUpdate(-4, -7, -3, -6);
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var coords = [0, 1];
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var expected = [0, 1, 0, 1];
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ol.extent.createOrUpdateFromCoordinate(coords, extent);
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expect(extent).to.eql(expected);
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});
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});
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describe('createOrUpdateFromCoordinates', function() {
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it('works when single coordinate and no extent passed', function() {
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var coords = [[0, 1]];
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var expected = [0, 1, 0, 1];
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var got = ol.extent.createOrUpdateFromCoordinates(coords);
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expect(got).to.eql(expected);
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});
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it('changes the passed extent when single coordinate', function() {
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var extent = ol.extent.createOrUpdate(-4, -7, -3, -6);
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var coords = [[0, 1]];
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var expected = [0, 1, 0, 1];
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ol.extent.createOrUpdateFromCoordinates(coords, extent);
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expect(extent).to.eql(expected);
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});
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it('works when multiple coordinates and no extent passed', function() {
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var coords = [[0, 1], [2, 3]];
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var expected = [0, 1, 2, 3];
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var got = ol.extent.createOrUpdateFromCoordinates(coords);
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expect(got).to.eql(expected);
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});
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it('changes the passed extent when multiple coordinates given', function() {
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var extent = ol.extent.createOrUpdate(-4, -7, -3, -6);
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var coords = [[0, 1], [-2, -1]];
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var expected = [-2, -1, 0, 1];
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ol.extent.createOrUpdateFromCoordinates(coords, extent);
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expect(extent).to.eql(expected);
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});
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});
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describe('createOrUpdateFromRings', function() {
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it('works when single ring and no extent passed', function() {
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var ring = [[0, 0], [0, 2], [2, 2], [2, 0], [0, 0]];
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var rings = [ring];
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var expected = [0, 0, 2, 2];
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var got = ol.extent.createOrUpdateFromRings(rings);
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expect(got).to.eql(expected);
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});
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it('changes the passed extent when single ring given', function() {
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var ring = [[0, 0], [0, 2], [2, 2], [2, 0], [0, 0]];
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var rings = [ring];
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var extent = [1, 1, 4, 7];
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var expected = [0, 0, 2, 2];
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ol.extent.createOrUpdateFromRings(rings, extent);
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expect(extent).to.eql(expected);
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});
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it('works when multiple rings and no extent passed', function() {
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var ring1 = [[0, 0], [0, 2], [2, 2], [2, 0], [0, 0]];
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var ring2 = [[1, 1], [1, 3], [3, 3], [3, 1], [1, 1]];
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var rings = [ring1, ring2];
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var expected = [0, 0, 3, 3];
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var got = ol.extent.createOrUpdateFromRings(rings);
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expect(got).to.eql(expected);
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});
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it('changes the passed extent when multiple rings given', function() {
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var ring1 = [[0, 0], [0, 2], [2, 2], [2, 0], [0, 0]];
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var ring2 = [[1, 1], [1, 3], [3, 3], [3, 1], [1, 1]];
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var rings = [ring1, ring2];
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var extent = [1, 1, 4, 7];
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var expected = [0, 0, 3, 3];
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ol.extent.createOrUpdateFromRings(rings, extent);
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expect(extent).to.eql(expected);
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});
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});
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describe('forEachCorner', function() {
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var callbackFalse;
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var callbackTrue;
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beforeEach(function() {
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callbackFalse = sinon.spy(function() {
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return false;
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});
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callbackTrue = sinon.spy(function() {
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return true;
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});
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});
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it('calls the passed callback for each corner', function() {
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var extent = [1, 2, 3, 4];
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ol.extent.forEachCorner(extent, callbackFalse);
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expect(callbackFalse.callCount).to.be(4);
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});
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it('calls the passed callback with each corner', function() {
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var extent = [1, 2, 3, 4];
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ol.extent.forEachCorner(extent, callbackFalse);
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var firstCallFirstArg = callbackFalse.args[0][0];
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var secondCallFirstArg = callbackFalse.args[1][0];
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var thirdCallFirstArg = callbackFalse.args[2][0];
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var fourthCallFirstArg = callbackFalse.args[3][0];
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expect(firstCallFirstArg).to.eql([1, 2]); // bl
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expect(secondCallFirstArg).to.eql([3, 2]); // br
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expect(thirdCallFirstArg).to.eql([3, 4]); // tr
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expect(fourthCallFirstArg).to.eql([1, 4]); // tl
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});
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it('calls a truthy callback only once', function() {
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var extent = [1, 2, 3, 4];
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ol.extent.forEachCorner(extent, callbackTrue);
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expect(callbackTrue.callCount).to.be(1);
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});
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it('ensures that any corner can cancel the callback execution', function() {
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var extent = [1, 2, 3, 4];
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var bottomLeftSpy = sinon.spy(function(corner) {
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return (corner[0] === 1 && corner[1] === 2) ? true : false;
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});
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var bottomRightSpy = sinon.spy(function(corner) {
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return (corner[0] === 3 && corner[1] === 2) ? true : false;
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});
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var topRightSpy = sinon.spy(function(corner) {
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return (corner[0] === 3 && corner[1] === 4) ? true : false;
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});
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var topLeftSpy = sinon.spy(function(corner) {
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return (corner[0] === 1 && corner[1] === 4) ? true : false;
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});
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ol.extent.forEachCorner(extent, bottomLeftSpy);
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ol.extent.forEachCorner(extent, bottomRightSpy);
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ol.extent.forEachCorner(extent, topRightSpy);
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ol.extent.forEachCorner(extent, topLeftSpy);
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expect(bottomLeftSpy.callCount).to.be(1);
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expect(bottomRightSpy.callCount).to.be(2);
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expect(topRightSpy.callCount).to.be(3);
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expect(topLeftSpy.callCount).to.be(4);
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});
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it('returns false eventually, if no invocation returned a truthy value',
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function() {
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var extent = [1, 2, 3, 4];
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var spy = sinon.spy(); // will return undefined for each corner
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var got = ol.extent.forEachCorner(extent, spy);
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expect(spy.callCount).to.be(4);
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expect(got).to.be(false);
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}
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);
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it('calls the callback with given scope', function() {
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var extent = [1, 2, 3, 4];
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var scope = {humpty: 'dumpty'};
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ol.extent.forEachCorner(extent, callbackTrue, scope);
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expect(callbackTrue.calledOn(scope)).to.be(true);
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});
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});
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describe('getArea', function() {
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it('returns zero for empty extents', function() {
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var emptyExtent = ol.extent.createEmpty();
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var areaEmpty = ol.extent.getArea(emptyExtent);
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expect(areaEmpty).to.be(0);
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var extentDeltaXZero = [45, 67, 45, 78];
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var areaDeltaXZero = ol.extent.getArea(extentDeltaXZero);
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expect(areaDeltaXZero).to.be(0);
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var extentDeltaYZero = [11, 67, 45, 67];
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var areaDeltaYZero = ol.extent.getArea(extentDeltaYZero);
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expect(areaDeltaYZero).to.be(0);
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});
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it('calculates correct area for other extents', function() {
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var extent = [0, 0, 10, 10];
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var area = ol.extent.getArea(extent);
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expect(area).to.be(100);
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});
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});
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describe('getIntersection()', function() {
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it('returns the intersection of two extents', function() {
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var world = [-180, -90, 180, 90];
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var north = [-180, 0, 180, 90];
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var farNorth = [-180, 45, 180, 90];
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var east = [0, -90, 180, 90];
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var farEast = [90, -90, 180, 90];
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var south = [-180, -90, 180, 0];
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var farSouth = [-180, -90, 180, -45];
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var west = [-180, -90, 0, 90];
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var farWest = [-180, -90, -90, 90];
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var none = ol.extent.createEmpty();
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expect(ol.extent.getIntersection(world, none)).to.eql(none);
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expect(ol.extent.getIntersection(world, north)).to.eql(north);
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expect(ol.extent.getIntersection(world, east)).to.eql(east);
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expect(ol.extent.getIntersection(world, south)).to.eql(south);
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expect(ol.extent.getIntersection(world, west)).to.eql(west);
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expect(ol.extent.getIntersection(farEast, farWest)).to.eql(none);
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expect(ol.extent.getIntersection(farNorth, farSouth)).to.eql(none);
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expect(ol.extent.getIntersection(north, west)).to.eql([-180, 0, 0, 90]);
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expect(ol.extent.getIntersection(east, south)).to.eql([0, -90, 180, 0]);
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});
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});
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describe('containsCoordinate', function() {
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describe('positive', function() {
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it('returns true', function() {
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var extent = [1, 2, 3, 4];
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expect(ol.extent.containsCoordinate(extent, [1, 2])).to.be.ok();
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expect(ol.extent.containsCoordinate(extent, [1, 3])).to.be.ok();
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expect(ol.extent.containsCoordinate(extent, [1, 4])).to.be.ok();
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expect(ol.extent.containsCoordinate(extent, [2, 2])).to.be.ok();
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expect(ol.extent.containsCoordinate(extent, [2, 3])).to.be.ok();
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expect(ol.extent.containsCoordinate(extent, [2, 4])).to.be.ok();
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expect(ol.extent.containsCoordinate(extent, [3, 2])).to.be.ok();
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expect(ol.extent.containsCoordinate(extent, [3, 3])).to.be.ok();
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expect(ol.extent.containsCoordinate(extent, [3, 4])).to.be.ok();
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});
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});
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describe('negative', function() {
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it('returns false', function() {
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var extent = [1, 2, 3, 4];
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expect(ol.extent.containsCoordinate(extent, [0, 1])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [0, 2])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [0, 3])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [0, 4])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [0, 5])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [1, 1])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [1, 5])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [2, 1])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [2, 5])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [3, 1])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [3, 5])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [4, 1])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [4, 2])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [4, 3])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [4, 4])).to.not.be();
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expect(ol.extent.containsCoordinate(extent, [4, 5])).to.not.be();
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});
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});
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});
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describe('coordinateRelationship()', function() {
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var extent = [-180, -90, 180, 90];
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var INTERSECTING = 1;
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var ABOVE = 2;
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var RIGHT = 4;
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var BELOW = 8;
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var LEFT = 16;
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it('returns intersecting for within', function() {
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var rel = ol.extent.coordinateRelationship(extent, [0, 0]);
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expect(rel).to.be(INTERSECTING);
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});
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it('returns intersecting for touching top', function() {
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var rel = ol.extent.coordinateRelationship(extent, [0, 90]);
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expect(rel).to.be(INTERSECTING);
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});
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it('returns intersecting for touching right', function() {
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var rel = ol.extent.coordinateRelationship(extent, [180, 0]);
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expect(rel).to.be(INTERSECTING);
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});
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it('returns intersecting for touching bottom', function() {
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var rel = ol.extent.coordinateRelationship(extent, [0, -90]);
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expect(rel).to.be(INTERSECTING);
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});
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it('returns intersecting for touching left', function() {
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var rel = ol.extent.coordinateRelationship(extent, [-180, 0]);
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expect(rel).to.be(INTERSECTING);
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});
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it('above for north', function() {
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var rel = ol.extent.coordinateRelationship(extent, [0, 100]);
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expect(rel).to.be(ABOVE);
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});
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it('above and right for northeast', function() {
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var rel = ol.extent.coordinateRelationship(extent, [190, 100]);
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expect(rel & ABOVE).to.be(ABOVE);
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expect(rel & RIGHT).to.be(RIGHT);
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});
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it('right for east', function() {
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var rel = ol.extent.coordinateRelationship(extent, [190, 0]);
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expect(rel).to.be(RIGHT);
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});
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it('below and right for southeast', function() {
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var rel = ol.extent.coordinateRelationship(extent, [190, -100]);
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expect(rel & BELOW).to.be(BELOW);
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expect(rel & RIGHT).to.be(RIGHT);
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});
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it('below for south', function() {
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var rel = ol.extent.coordinateRelationship(extent, [0, -100]);
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expect(rel).to.be(BELOW);
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});
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it('below and left for southwest', function() {
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var rel = ol.extent.coordinateRelationship(extent, [-190, -100]);
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expect(rel & BELOW).to.be(BELOW);
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expect(rel & LEFT).to.be(LEFT);
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});
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it('left for west', function() {
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var rel = ol.extent.coordinateRelationship(extent, [-190, 0]);
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expect(rel).to.be(LEFT);
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});
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it('above and left for northwest', function() {
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var rel = ol.extent.coordinateRelationship(extent, [-190, 100]);
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expect(rel & ABOVE).to.be(ABOVE);
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expect(rel & LEFT).to.be(LEFT);
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});
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});
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describe('getCenter', function() {
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it('returns the expected center', function() {
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var extent = [1, 2, 3, 4];
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var center = ol.extent.getCenter(extent);
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expect(center[0]).to.eql(2);
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expect(center[1]).to.eql(3);
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});
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it('returns [NaN, NaN] for empty extents', function() {
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var extent = ol.extent.createEmpty();
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var center = ol.extent.getCenter(extent);
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expect('' + center[0]).to.be('NaN');
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expect('' + center[1]).to.be('NaN');
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});
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});
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describe('getCorner', function() {
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var extent = [1, 2, 3, 4];
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it('gets the bottom left', function() {
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var corner = 'bottom-left';
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expect(ol.extent.getCorner(extent, corner)).to.eql([1, 2]);
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});
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it('gets the bottom right', function() {
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var corner = 'bottom-right';
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expect(ol.extent.getCorner(extent, corner)).to.eql([3, 2]);
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});
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it('gets the top left', function() {
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var corner = 'top-left';
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expect(ol.extent.getCorner(extent, corner)).to.eql([1, 4]);
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});
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it('gets the top right', function() {
|
|
var corner = 'top-right';
|
|
expect(ol.extent.getCorner(extent, corner)).to.eql([3, 4]);
|
|
});
|
|
|
|
it('throws exception for unexpected corner', function() {
|
|
expect(function() {
|
|
ol.extent.getCorner(extent, 'foobar');
|
|
}).to.throwException();
|
|
});
|
|
|
|
});
|
|
|
|
describe('getEnlargedArea', function() {
|
|
it('returns enlarged area of two extents', function() {
|
|
var extent1 = [-1, -1, 0, 0];
|
|
var extent2 = [0, 0, 1, 1];
|
|
var enlargedArea = ol.extent.getEnlargedArea(extent1, extent2);
|
|
expect(enlargedArea).to.be(4);
|
|
});
|
|
});
|
|
|
|
describe('getForViewAndSize', function() {
|
|
|
|
it('works for a unit square', function() {
|
|
var extent = ol.extent.getForViewAndSize(
|
|
[0, 0], 1, 0, [1, 1]);
|
|
expect(extent[0]).to.be(-0.5);
|
|
expect(extent[2]).to.be(0.5);
|
|
expect(extent[1]).to.be(-0.5);
|
|
expect(extent[3]).to.be(0.5);
|
|
});
|
|
|
|
it('works for center', function() {
|
|
var extent = ol.extent.getForViewAndSize(
|
|
[5, 10], 1, 0, [1, 1]);
|
|
expect(extent[0]).to.be(4.5);
|
|
expect(extent[2]).to.be(5.5);
|
|
expect(extent[1]).to.be(9.5);
|
|
expect(extent[3]).to.be(10.5);
|
|
});
|
|
|
|
it('works for rotation', function() {
|
|
var extent = ol.extent.getForViewAndSize(
|
|
[0, 0], 1, Math.PI / 4, [1, 1]);
|
|
expect(extent[0]).to.roughlyEqual(-Math.sqrt(0.5), 1e-9);
|
|
expect(extent[2]).to.roughlyEqual(Math.sqrt(0.5), 1e-9);
|
|
expect(extent[1]).to.roughlyEqual(-Math.sqrt(0.5), 1e-9);
|
|
expect(extent[3]).to.roughlyEqual(Math.sqrt(0.5), 1e-9);
|
|
});
|
|
|
|
it('works for resolution', function() {
|
|
var extent = ol.extent.getForViewAndSize(
|
|
[0, 0], 2, 0, [1, 1]);
|
|
expect(extent[0]).to.be(-1);
|
|
expect(extent[2]).to.be(1);
|
|
expect(extent[1]).to.be(-1);
|
|
expect(extent[3]).to.be(1);
|
|
});
|
|
|
|
it('works for size', function() {
|
|
var extent = ol.extent.getForViewAndSize(
|
|
[0, 0], 1, 0, [10, 5]);
|
|
expect(extent[0]).to.be(-5);
|
|
expect(extent[2]).to.be(5);
|
|
expect(extent[1]).to.be(-2.5);
|
|
expect(extent[3]).to.be(2.5);
|
|
});
|
|
|
|
});
|
|
|
|
describe('getSize', function() {
|
|
it('returns the expected size', function() {
|
|
var extent = [0, 1, 2, 4];
|
|
var size = ol.extent.getSize(extent);
|
|
expect(size).to.eql([2, 3]);
|
|
});
|
|
});
|
|
|
|
describe('getIntersectionArea', function() {
|
|
it('returns correct area when extents intersect', function() {
|
|
var extent1 = [0, 0, 2, 2];
|
|
var extent2 = [1, 1, 3, 3];
|
|
var intersectionArea = ol.extent.getIntersectionArea(extent1, extent2);
|
|
expect(intersectionArea).to.be(1);
|
|
});
|
|
it('returns 0 when extents do not intersect', function() {
|
|
var extent1 = [0, 0, 1, 1];
|
|
var extent2 = [2, 2, 3, 3];
|
|
var intersectionArea = ol.extent.getIntersectionArea(extent1, extent2);
|
|
expect(intersectionArea).to.be(0);
|
|
});
|
|
});
|
|
|
|
describe('getMargin', function() {
|
|
it('returns the correct margin (sum of width and height)', function() {
|
|
var extent = [1, 2, 3, 4];
|
|
expect(ol.extent.getMargin(extent)).to.be(4);
|
|
});
|
|
});
|
|
|
|
describe('intersects', function() {
|
|
|
|
it('returns the expected value', function() {
|
|
var intersects = ol.extent.intersects;
|
|
var extent = [50, 50, 100, 100];
|
|
expect(intersects(extent, extent)).to.be(true);
|
|
expect(intersects(extent, [20, 20, 80, 80])).to.be(true);
|
|
expect(intersects(extent, [20, 50, 80, 100])).to.be(true);
|
|
expect(intersects(extent, [20, 80, 80, 120])).to.be(true);
|
|
expect(intersects(extent, [50, 20, 100, 80])).to.be(true);
|
|
expect(intersects(extent, [50, 80, 100, 120])).to.be(true);
|
|
expect(intersects(extent, [80, 20, 120, 80])).to.be(true);
|
|
expect(intersects(extent, [80, 50, 120, 100])).to.be(true);
|
|
expect(intersects(extent, [80, 80, 120, 120])).to.be(true);
|
|
expect(intersects(extent, [20, 20, 120, 120])).to.be(true);
|
|
expect(intersects(extent, [70, 70, 80, 80])).to.be(true);
|
|
expect(intersects(extent, [10, 10, 30, 30])).to.be(false);
|
|
expect(intersects(extent, [30, 10, 70, 30])).to.be(false);
|
|
expect(intersects(extent, [50, 10, 100, 30])).to.be(false);
|
|
expect(intersects(extent, [80, 10, 120, 30])).to.be(false);
|
|
expect(intersects(extent, [120, 10, 140, 30])).to.be(false);
|
|
expect(intersects(extent, [10, 30, 30, 70])).to.be(false);
|
|
expect(intersects(extent, [120, 30, 140, 70])).to.be(false);
|
|
expect(intersects(extent, [10, 50, 30, 100])).to.be(false);
|
|
expect(intersects(extent, [120, 50, 140, 100])).to.be(false);
|
|
expect(intersects(extent, [10, 80, 30, 120])).to.be(false);
|
|
expect(intersects(extent, [120, 80, 140, 120])).to.be(false);
|
|
expect(intersects(extent, [10, 120, 30, 140])).to.be(false);
|
|
expect(intersects(extent, [30, 120, 70, 140])).to.be(false);
|
|
expect(intersects(extent, [50, 120, 100, 140])).to.be(false);
|
|
expect(intersects(extent, [80, 120, 120, 140])).to.be(false);
|
|
expect(intersects(extent, [120, 120, 140, 140])).to.be(false);
|
|
});
|
|
});
|
|
|
|
describe('scaleFromCenter', function() {
|
|
it('scales the extent from its center', function() {
|
|
var extent = [1, 1, 3, 3];
|
|
ol.extent.scaleFromCenter(extent, 2);
|
|
expect(extent[0]).to.eql(0);
|
|
expect(extent[2]).to.eql(4);
|
|
expect(extent[1]).to.eql(0);
|
|
expect(extent[3]).to.eql(4);
|
|
});
|
|
});
|
|
|
|
describe('intersectsSegment()', function() {
|
|
|
|
var extent = [-180, -90, 180, 90];
|
|
var north = [0, 100];
|
|
var northeast = [190, 100];
|
|
var east = [190, 0];
|
|
var southeast = [190, -100];
|
|
var south = [0, -100];
|
|
var southwest = [-190, -100];
|
|
var west = [-190, 0];
|
|
var northwest = [-190, 100];
|
|
var center = [0, 0];
|
|
var top = [0, 90];
|
|
var right = [180, 0];
|
|
var bottom = [-90, 0];
|
|
var left = [-180, 0];
|
|
var inside = [10, 10];
|
|
|
|
it('returns true if contained', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, center, inside);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if crosses top', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, center, north);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if crosses right', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, center, east);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if crosses bottom', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, center, south);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if crosses left', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, center, west);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns false if above', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, northwest, north);
|
|
expect(intersects).to.be(false);
|
|
});
|
|
|
|
it('returns false if right', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, northeast, east);
|
|
expect(intersects).to.be(false);
|
|
});
|
|
|
|
it('returns false if below', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, south, southwest);
|
|
expect(intersects).to.be(false);
|
|
});
|
|
|
|
it('returns false if left', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, west, southwest);
|
|
expect(intersects).to.be(false);
|
|
});
|
|
|
|
it('returns true if crosses top to bottom', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, north, south);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if crosses bottom to top', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, south, north);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if crosses left to right', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, west, east);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if crosses right to left', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, east, west);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if crosses northwest to east', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, northwest, east);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if crosses south to west', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, south, west);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if touches top', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, northwest, top);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if touches right', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, southeast, right);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if touches bottom', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, bottom, south);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('returns true if touches left', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, left, west);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('works for zero length inside', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, center, center);
|
|
expect(intersects).to.be(true);
|
|
});
|
|
|
|
it('works for zero length outside', function() {
|
|
var intersects = ol.extent.intersectsSegment(extent, north, north);
|
|
expect(intersects).to.be(false);
|
|
});
|
|
|
|
it('works for left/right intersection spanning top to bottom', function() {
|
|
var extent = [2, 1, 3, 4];
|
|
var start = [0, 0];
|
|
var end = [5, 5];
|
|
expect(ol.extent.intersectsSegment(extent, start, end)).to.be(true);
|
|
expect(ol.extent.intersectsSegment(extent, end, start)).to.be(true);
|
|
});
|
|
|
|
it('works for top/bottom intersection spanning left to right', function() {
|
|
var extent = [1, 2, 4, 3];
|
|
var start = [0, 0];
|
|
var end = [5, 5];
|
|
expect(ol.extent.intersectsSegment(extent, start, end)).to.be(true);
|
|
expect(ol.extent.intersectsSegment(extent, end, start)).to.be(true);
|
|
});
|
|
|
|
});
|
|
|
|
describe('#applyTransform()', function() {
|
|
|
|
it('does transform', function() {
|
|
var transformFn = ol.proj.getTransform('EPSG:4326', 'EPSG:3857');
|
|
var sourceExtent = [-15, -30, 45, 60];
|
|
var destinationExtent = ol.extent.applyTransform(
|
|
sourceExtent, transformFn);
|
|
expect(destinationExtent).not.to.be(undefined);
|
|
expect(destinationExtent).not.to.be(null);
|
|
// FIXME check values with third-party tool
|
|
expect(destinationExtent[0])
|
|
.to.roughlyEqual(-1669792.3618991037, 1e-9);
|
|
expect(destinationExtent[2]).to.roughlyEqual(5009377.085697311, 1e-9);
|
|
expect(destinationExtent[1]).to.roughlyEqual(-3503549.843504376, 1e-8);
|
|
expect(destinationExtent[3]).to.roughlyEqual(8399737.889818361, 1e-8);
|
|
});
|
|
|
|
it('takes arbitrary function', function() {
|
|
var transformFn = function(input, output, opt_dimension) {
|
|
var dimension = opt_dimension !== undefined ? opt_dimension : 2;
|
|
if (output === undefined) {
|
|
output = new Array(input.length);
|
|
}
|
|
var n = input.length;
|
|
var i;
|
|
for (i = 0; i < n; i += dimension) {
|
|
output[i] = -input[i];
|
|
output[i + 1] = -input[i + 1];
|
|
}
|
|
return output;
|
|
};
|
|
var sourceExtent = [-15, -30, 45, 60];
|
|
var destinationExtent = ol.extent.applyTransform(
|
|
sourceExtent, transformFn);
|
|
expect(destinationExtent).not.to.be(undefined);
|
|
expect(destinationExtent).not.to.be(null);
|
|
expect(destinationExtent[0]).to.be(-45);
|
|
expect(destinationExtent[2]).to.be(15);
|
|
expect(destinationExtent[1]).to.be(-60);
|
|
expect(destinationExtent[3]).to.be(30);
|
|
});
|
|
|
|
});
|
|
|
|
});
|