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openlayers

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Build tools and sources for developing OpenLayers based mapping applications

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goog.provide('ol.test.geom.flat.intersectsextent'); goog.require('ol.geom.flat.intersectsextent'); describe('ol.geom.flat.intersectsextent', function() { describe('ol.geom.flat.intersectsextent.lineString', function() { var flatCoordinates; beforeEach(function() { flatCoordinates = [0, 0, 1, 1, 2, 2]; }); describe('linestring envelope does not intersect the extent', function() { it('returns false', function() { var extent = [3, 3, 4, 4]; var r = ol.geom.flat.intersectsextent.lineString( flatCoordinates, 0, flatCoordinates.length, 2, extent); expect(r).to.be(false); }); }); describe('linestring envelope within the extent', function() { it('returns true', function() { var extent = [-1, -1, 3, 3]; var r = ol.geom.flat.intersectsextent.lineString( flatCoordinates, 0, flatCoordinates.length, 2, extent); expect(r).to.be(true); }); }); describe('linestring envelope bisected by an edge of the extent', function() { it('returns true', function() { var extent = [-0.1, 0.1, 2.1, 0.1]; var r = ol.geom.flat.intersectsextent.lineString( flatCoordinates, 0, flatCoordinates.length, 2, extent); expect(r).to.be(true); }); }); describe('a segment intersects the extent', function() { it('returns true', function() { var extent = [-0.5, -0.5, 0.5, 0.5]; var r = ol.geom.flat.intersectsextent.lineString( flatCoordinates, 0, flatCoordinates.length, 2, extent); expect(r).to.be(true); }); }); describe('no segments intersect the extent', function() { it('returns false', function() { var extent = [0.5, 1.5, 1, 1.75]; var r = ol.geom.flat.intersectsextent.lineString( flatCoordinates, 0, flatCoordinates.length, 2, extent); expect(r).to.be(false); }); it('returns false', function() { var extent = [1, 0.25, 1.5, 0.5]; var r = ol.geom.flat.intersectsextent.lineString( flatCoordinates, 0, flatCoordinates.length, 2, extent); expect(r).to.be(false); }); }); }); describe('ol.geom.flat.intersectsextent.linearRing', function() { var flatCoordinates; beforeEach(function() { flatCoordinates = [0, 0, 1, 1, 2, 0, 1, -1, 0, 0]; }); describe('boundary intersects the extent', function() { it('returns true', function() { var extent = [1.5, 0.0, 2.5, 1.0]; var r = ol.geom.flat.intersectsextent.linearRing( flatCoordinates, 0, flatCoordinates.length, 2, extent); expect(r).to.be(true); }); }); describe('boundary does not intersect the extent and ring does not ' + 'contain a corner of the extent', function() { it('returns false', function() { var extent = [2.0, 0.5, 3, 1.5]; var r = ol.geom.flat.intersectsextent.linearRing( flatCoordinates, 0, flatCoordinates.length, 2, extent); expect(r).to.be(false); }); }); describe('ring contains the extent', function() { it('returns true', function() { var extent = [0.75, -0.25, 1.25, 0.25]; var r = ol.geom.flat.intersectsextent.linearRing( flatCoordinates, 0, flatCoordinates.length, 2, extent); expect(r).to.be(true); }); }); }); });