317 lines
10 KiB
JavaScript
317 lines
10 KiB
JavaScript
// FIXME why do the skip tests below fail? I don't understand!
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goog.provide('ol.test.geom.Polygon');
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describe('ol.geom.Polygon', function() {
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it('can be constructed with a null geometry', function() {
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expect(function() {
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var polygon = new ol.geom.Polygon(null);
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polygon = polygon; // suppress gjslint warning
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}).not.to.throwException();
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});
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describe('construct empty', function() {
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var polygon;
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beforeEach(function() {
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polygon = new ol.geom.Polygon([]);
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});
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it('defaults to layout XY', function() {
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expect(polygon.getLayout()).to.be(ol.geom.Layout.XY);
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});
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it('has empty coordinates', function() {
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expect(polygon.getCoordinates()).to.be.empty();
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});
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it('has an empty extent', function() {
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expect(ol.extent.isEmpty(polygon.getExtent())).to.be(true);
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});
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it('has empty flat coordinates', function() {
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expect(polygon.getFlatCoordinates()).to.be.empty();
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});
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it('has stride the expected stride', function() {
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expect(polygon.getStride()).to.be(2);
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});
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});
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describe('construct with 2D coordinates', function() {
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var outerRing, innerRing, polygon, flatCoordinates;
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var outsideOuter, inside, insideInner;
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beforeEach(function() {
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outerRing = [[0, 1], [1, 4], [4, 3], [3, 0]];
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innerRing = [[2, 2], [3, 2], [3, 3], [2, 3]];
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polygon = new ol.geom.Polygon([outerRing, innerRing]);
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flatCoordinates = [0, 1, 1, 4, 4, 3, 3, 0, 2, 2, 3, 2, 3, 3, 2, 3];
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outsideOuter = [0, 4];
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inside = [1.5, 1.5];
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insideInner = [2.5, 3.5];
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});
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it('has the expected layout', function() {
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expect(polygon.getLayout()).to.be(ol.geom.Layout.XY);
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});
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it('has the expected coordinates', function() {
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expect(polygon.getCoordinates()).to.eql([outerRing, innerRing]);
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});
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it('has the expected extent', function() {
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expect(polygon.getExtent()).to.eql([0, 0, 4, 4]);
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});
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it('has the expected flat coordinates', function() {
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('has stride the expected stride', function() {
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expect(polygon.getStride()).to.be(2);
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});
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it('reverses the outer ring if necessary', function() {
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polygon = new ol.geom.Polygon([outerRing.reverse(), innerRing]);
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('reverses inner rings if necessary', function() {
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polygon = new ol.geom.Polygon([outerRing, innerRing.reverse()]);
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('reverses all rings if necessary', function() {
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polygon = new ol.geom.Polygon([outerRing.reverse(), innerRing.reverse()]);
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('does not contain outside coordinates', function() {
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expect(polygon.containsCoordinate(outsideOuter)).to.be(false);
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});
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it('does contain inside coordinates', function() {
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expect(polygon.containsCoordinate(inside)).to.be(true);
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});
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it('does not contain inside inner coordinates', function() {
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expect(polygon.containsCoordinate(insideInner)).to.be(false);
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});
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});
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describe('construct with 3D coordinates', function() {
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var outerRing, innerRing, polygon, flatCoordinates;
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var outsideOuter, inside, insideInner;
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beforeEach(function() {
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outerRing = [[0, 0, 1], [4, 4, 2], [4, 0, 3]];
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innerRing = [[2, 1, 4], [3, 1, 5], [3, 2, 6]];
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polygon = new ol.geom.Polygon([outerRing, innerRing]);
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flatCoordinates = [0, 0, 1, 4, 4, 2, 4, 0, 3, 2, 1, 4, 3, 1, 5, 3, 2, 6];
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outsideOuter = [1, 3];
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inside = [3.5, 0.5];
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insideInner = [2.9, 1.1];
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});
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it('has the expected layout', function() {
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expect(polygon.getLayout()).to.be(ol.geom.Layout.XYZ);
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});
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it('has the expected coordinates', function() {
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expect(polygon.getCoordinates()).to.eql([outerRing, innerRing]);
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});
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it('has the expected extent', function() {
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expect(polygon.getExtent()).to.eql([0, 0, 4, 4]);
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});
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it('has the expected flat coordinates', function() {
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('has stride the expected stride', function() {
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expect(polygon.getStride()).to.be(3);
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});
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it('reverses the outer ring if necessary', function() {
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polygon = new ol.geom.Polygon([outerRing.reverse(), innerRing]);
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('reverses inner rings if necessary', function() {
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polygon = new ol.geom.Polygon([outerRing, innerRing.reverse()]);
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('reverses all rings if necessary', function() {
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polygon = new ol.geom.Polygon([outerRing.reverse(), innerRing.reverse()]);
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('does not contain outside coordinates', function() {
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expect(polygon.containsCoordinate(outsideOuter)).to.be(false);
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});
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it('does contain inside coordinates', function() {
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expect(polygon.containsCoordinate(inside)).to.be(true);
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});
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it('does not contain inside inner coordinates', function() {
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expect(polygon.containsCoordinate(insideInner)).to.be(false);
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});
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});
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describe('construct with 3D coordinates and layout XYM', function() {
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var outerRing, innerRing, polygon, flatCoordinates;
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var outsideOuter, inside, insideInner;
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beforeEach(function() {
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outerRing = [[0, 0, 1], [4, 4, 2], [4, 0, 3]];
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innerRing = [[2, 1, 4], [3, 1, 5], [3, 2, 6]];
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polygon = new ol.geom.Polygon([outerRing, innerRing], ol.geom.Layout.XYM);
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flatCoordinates = [0, 0, 1, 4, 4, 2, 4, 0, 3, 2, 1, 4, 3, 1, 5, 3, 2, 6];
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outsideOuter = [1, 3];
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inside = [3.5, 0.5];
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insideInner = [2.9, 1.1];
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});
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it('has the expected layout', function() {
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expect(polygon.getLayout()).to.be(ol.geom.Layout.XYM);
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});
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it('has the expected coordinates', function() {
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expect(polygon.getCoordinates()).to.eql([outerRing, innerRing]);
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});
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it('has the expected extent', function() {
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expect(polygon.getExtent()).to.eql([0, 0, 4, 4]);
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});
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it('has the expected flat coordinates', function() {
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('has stride the expected stride', function() {
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expect(polygon.getStride()).to.be(3);
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});
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it('reverses the outer ring if necessary', function() {
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polygon = new ol.geom.Polygon([outerRing.reverse(), innerRing]);
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('reverses inner rings if necessary', function() {
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polygon = new ol.geom.Polygon([outerRing, innerRing.reverse()]);
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('reverses all rings if necessary', function() {
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polygon = new ol.geom.Polygon([outerRing.reverse(), innerRing.reverse()]);
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('does not contain outside coordinates', function() {
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expect(polygon.containsCoordinate(outsideOuter)).to.be(false);
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});
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it('does contain inside coordinates', function() {
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expect(polygon.containsCoordinate(inside)).to.be(true);
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});
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it('does not contain inside inner coordinates', function() {
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expect(polygon.containsCoordinate(insideInner)).to.be(false);
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});
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});
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describe('construct with 4D coordinates', function() {
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var outerRing, innerRing1, innerRing2, polygon, flatCoordinates;
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var outsideOuter, inside, insideInner1, insideInner2;
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beforeEach(function() {
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outerRing = [[0, 6, 1, 2], [6, 6, 3, 4], [3, 0, 5, 6]];
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innerRing1 =
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[[2, 4, 7, 8], [4, 4, 9, 10], [4, 5, 11, 12], [2, 5, 13, 14]];
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innerRing2 = [[3, 2, 15, 16], [4, 3, 17, 18], [2, 3, 19, 20]];
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polygon = new ol.geom.Polygon([outerRing, innerRing1, innerRing2]);
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flatCoordinates = [
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0, 6, 1, 2, 6, 6, 3, 4, 3, 0, 5, 6,
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2, 4, 7, 8, 4, 4, 9, 10, 4, 5, 11, 12, 2, 5, 13, 14,
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3, 2, 15, 16, 4, 3, 17, 18, 2, 3, 19, 20
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];
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outsideOuter = [1, 1];
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inside = [3, 1];
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insideInner1 = [2.5, 4.5];
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insideInner2 = [3, 2.5];
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});
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it('has the expected layout', function() {
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expect(polygon.getLayout()).to.be(ol.geom.Layout.XYZM);
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});
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it('has the expected coordinates', function() {
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expect(polygon.getCoordinates()).to.eql(
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[outerRing, innerRing1, innerRing2]);
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});
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it('has the expected extent', function() {
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expect(polygon.getExtent()).to.eql([0, 0, 6, 6]);
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});
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it('has the expected flat coordinates', function() {
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('has stride the expected stride', function() {
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expect(polygon.getStride()).to.be(4);
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});
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it('reverses the outer ring if necessary', function() {
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polygon = new ol.geom.Polygon(
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[outerRing.reverse(), innerRing1, innerRing2]);
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('reverses inner rings if necessary', function() {
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polygon = new ol.geom.Polygon(
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[outerRing, innerRing1.reverse(), innerRing2.reverse()]);
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it('reverses all rings if necessary', function() {
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polygon = new ol.geom.Polygon(
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[outerRing.reverse(), innerRing1.reverse(), innerRing2.reverse()]);
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expect(polygon.getFlatCoordinates()).to.eql(flatCoordinates);
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});
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it.skip('does not contain outside coordinates', function() {
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expect(polygon.containsCoordinate(outsideOuter)).to.be(false);
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});
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it('does contain inside coordinates', function() {
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expect(polygon.containsCoordinate(inside)).to.be(true);
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});
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it('does not contain inside inner coordinates', function() {
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expect(polygon.containsCoordinate(insideInner1)).to.be(false);
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expect(polygon.containsCoordinate(insideInner2)).to.be(false);
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});
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it.skip('fails in strange ways', function() {
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expect(polygon.containsCoordinate([0, 0])).to.be(false);
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});
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});
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});
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goog.require('ol.extent');
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goog.require('ol.geom.Polygon');
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