Add LineString/linestring.
The inhertance of this class might change in the future.
This commit is contained in:
Marc Jansen
224
test/spec/api/geom/linestring.test.js
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224
test/spec/api/geom/linestring.test.js
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describe("ol.geom.linestring", function() {
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var ls;
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beforeEach(function() {
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ls = ol.geom.linestring([
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{x:0, y:1},
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{x:2, y:3}
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]);
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});
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afterEach(function() {
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ls = null;
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});
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describe("can construct instances with some vertices", function() {
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it("works for the object notation of vertices", function(){
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expect( ls ).toBeA( ol.geom.LineString );
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});
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it("works for the array notation of vertices", function(){
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ls = ol.geom.linestring([
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[0, 1],
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[2, 3]
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]);
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expect( ls ).toBeA( ol.geom.LineString );
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});
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it("works for real vertices", function(){
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ls = ol.geom.linestring([
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ol.geom.point([0,1]),
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ol.geom.point([2,3])
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]);
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expect( ls ).toBeA( ol.geom.LineString );
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});
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});
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describe("can construct instances without any vertices", function() {
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it("works with an empty array", function(){
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ls = ol.geom.linestring([]);
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expect( ls ).toBeA( ol.geom.LineString );
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});
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it("works without arguments", function(){
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ls = ol.geom.linestring();
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expect( ls ).toBeA( ol.geom.LineString );
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});
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});
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describe("the method 'add'", function() {
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it("exists", function(){
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expect( ls.add ).toBeA( Function );
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});
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describe("can be used as setter", function(){
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it("works with a single vertex specification and an index", function(){
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var p = ol.geom.point([24,7]);
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ls.add(p, 0);
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expect(ls.vertices().length).toBe(3);
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var firstPoint = ls.vertices()[0];
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expect( firstPoint.x() + ',' + firstPoint.y() ).toBe( '24,7' );
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});
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it("works with point instance", function(){
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ls = ol.geom.linestring();
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ls.add(ol.geom.point([24,7]));
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expect(ls.vertices().length).toBe(1);
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var firstPoint = ls.vertices()[0];
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expect( firstPoint.x() + ',' + firstPoint.y() ).toBe( '24,7' );
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});
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it("works with array specifications", function(){
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ls = ol.geom.linestring();
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ls.add([24,7]);
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expect(ls.vertices().length).toBe(1);
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var firstPoint = ls.vertices()[0];
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expect( firstPoint.x() + ',' + firstPoint.y() ).toBe( '24,7' );
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});
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it("works with object specifications", function(){
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ls = ol.geom.linestring();
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ls.add({x:24,y:7});
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expect(ls.vertices().length).toBe(1);
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var firstPoint = ls.vertices()[0];
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expect( firstPoint.x() + ',' + firstPoint.y() ).toBe( '24,7' );
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});
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it("the index is functional", function(){
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var p = ol.geom.point([24,7]);
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ls.add(p, 1);
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expect(ls.vertices().length).toBe(3);
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var firstPoint = ls.vertices()[0], // untouched
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secondPoint = ls.vertices()[1], // this should be ours
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thirdPoint = ls.vertices()[2]; // shifted here
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expect( firstPoint.x() + ',' + firstPoint.y() ).toBe( '0,1' );
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expect( secondPoint.x() + ',' + secondPoint.y() ).toBe( '24,7' );
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expect( thirdPoint.x() + ',' + thirdPoint.y() ).toBe( '2,3' );
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});
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it("the index is optional", function(){
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var p = ol.geom.point([24,7]);
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ls.add(p);
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expect(ls.vertices().length).toBe(3);
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var thirdPoint = ls.vertices()[2];
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expect( thirdPoint.x() + ',' + thirdPoint.y() ).toBe( '24,7' );
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});
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it("returns the linestring instance", function(){
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var p = ol.geom.point([24,7]);
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var returned = ls.add(p);
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expect(returned).toBe(ls);
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});
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});
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});
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describe("the method 'addAll'", function(){
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it("exists", function(){
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expect( ls.addAll ).toBeA( Function );
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});
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describe("can be used as setter", function(){
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it("works with an array of point specifications and an index", function(){
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var ps = [
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ol.geom.point([24,7]),
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ol.geom.point([7,11])
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];
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ls.addAll(ps, 0);
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expect(ls.vertices().length).toBe(4);
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var firstPoint = ls.vertices()[0],
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secondPoint = ls.vertices()[1];
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expect( firstPoint.x() + ',' + firstPoint.y() ).toBe( '24,7' );
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expect( secondPoint.x() + ',' + secondPoint.y() ).toBe( '7,11' );
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});
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it("the index is functional", function(){
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var ps = [
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[24,7],
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{x:7, y:11}
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];
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ls.addAll(ps, 1);
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expect(ls.vertices().length).toBe(4);
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var firstPoint = ls.vertices()[0], // untouched
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secondPoint = ls.vertices()[1], // this should be ours
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thirdPoint = ls.vertices()[2], // this should be ours
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fourthPoint = ls.vertices()[3]; // shifted here
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expect( firstPoint.x() + ',' + firstPoint.y() ).toBe( '0,1' );
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expect( secondPoint.x() + ',' + secondPoint.y() ).toBe( '24,7' );
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expect( thirdPoint.x() + ',' + thirdPoint.y() ).toBe( '7,11' );
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expect( fourthPoint.x() + ',' + fourthPoint.y() ).toBe( '2,3' );
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});
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it("the index is optional", function(){
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var ps = [
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[24,7],
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{x:7, y:11}
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];
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ls.addAll(ps);
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expect(ls.vertices().length).toBe(4);
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var thirdPoint = ls.vertices()[2],
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fourthPoint = ls.vertices()[3];
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expect( thirdPoint.x() + ',' + thirdPoint.y() ).toBe( '24,7' );
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expect( fourthPoint.x() + ',' + fourthPoint.y() ).toBe( '7,11' );
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});
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it("returns the linestring instance", function(){
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var ps = [
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[24,7],
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{x:7, y:11}
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];
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var returned = ls.addAll(ps);
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expect(returned).toBe(ls);
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});
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});
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});
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describe("the method 'remove'", function() {
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it("exists", function(){
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expect( ls.add ).toBeA( Function );
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});
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it("works with a single point", function(){
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var p = ls.vertices()[0];
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ls.remove(p);
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expect(ls.vertices().length).toBe(1);
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var firstPoint = ls.vertices()[0];
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expect( firstPoint.x() + ',' + firstPoint.y() ).toBe( '2,3' );
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});
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it("works with an array of point specifications", function(){
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var ps = [
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ls.vertices()[1],
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ls.vertices()[0]
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];
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ls.remove(ps);
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expect(ls.vertices().length).toBe(0);
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});
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});
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});
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112
test/spec/ol/geom/LineString.test.js
Normal file
112
test/spec/ol/geom/LineString.test.js
Normal file
@@ -0,0 +1,112 @@
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describe("ol.geom.LineString", function() {
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var ls;
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beforeEach(function(){
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ls = new ol.geom.LineString([
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new ol.geom.Point(0,0),
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new ol.geom.Point(10,10),
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new ol.geom.Point(10,0),
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new ol.geom.Point(20,20)
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]);
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});
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afterEach(function(){
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ls = null;
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});
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it("constructs instances", function() {
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expect( ls ).toBeA( ol.geom.LineString );
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});
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it("can construct instances without any points", function() {
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// empty array
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mp = new ol.geom.LineString([]);
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expect( ls ).toBeA( ol.geom.LineString );
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// no argument at all
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mp = new ol.geom.LineString();
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expect( ls ).toBeA( ol.geom.LineString );
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});
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it("inherits from ol.geom.Geometry", function() {
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expect( ls ).toBeA( ol.geom.Geometry );
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});
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it("has a working getter for vertices", function() {
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var vertices = ls.getVertices();
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expect( vertices ).toBeA( Array );
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expect( vertices.length ).toBe( 4 );
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expect( vertices[0] ).toBeA( ol.geom.Point );
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expect( vertices[0].getX() + ',' + vertices[0].getY()).toBe( '0,0' );
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});
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it("has a working setter for vertices", function() {
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ls.setVertices([
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new ol.geom.Point(30,40),
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new ol.geom.Point(50,60)
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]);
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var vertices = ls.getVertices();
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expect( vertices.length ).toBe( 2 );
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expect( vertices[0] ).toBeA( ol.geom.Point );
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expect( vertices[1] ).toBeA( ol.geom.Point );
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expect( vertices[0].getX() + ',' + vertices[0].getY()).toBe( '30,40' );
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expect( vertices[1].getX() + ',' + vertices[1].getY()).toBe( '50,60' );
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});
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it("has a method to add vertices", function() {
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ls.addVertex(
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new ol.geom.Point(30,40),
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1
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);
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ls.addVertex(
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new ol.geom.Point(50,60),
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2
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);
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ls.addVertex(
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new ol.geom.Point(-10,0),
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0
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);
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var vertices = ls.getVertices();
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expect( vertices.length ).toBe( 7 );
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expect( vertices[0].getX() + ',' + vertices[0].getY()).toBe( '-10,0' );
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expect( vertices[1].getX() + ',' + vertices[1].getY()).toBe( '0,0' );
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expect( vertices[2].getX() + ',' + vertices[2].getY()).toBe( '30,40' );
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expect( vertices[3].getX() + ',' + vertices[3].getY()).toBe( '50,60' );
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expect( vertices[4].getX() + ',' + vertices[4].getY()).toBe( '10,10' );
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expect( vertices[5].getX() + ',' + vertices[5].getY()).toBe( '10,0' );
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expect( vertices[6].getX() + ',' + vertices[6].getY()).toBe( '20,20' );
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});
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it("has a method to remove vertices", function() {
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ls.setVertices([
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new ol.geom.Point(0,10),
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new ol.geom.Point(10,20),
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new ol.geom.Point(20,30),
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new ol.geom.Point(30,40)
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]);
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var v = ls.getVertices()[2]; // 20,30;
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ls.removeVertex( v );
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var vertices = ls.getVertices();
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expect( vertices.length ).toBe( 3 );
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expect( vertices[0].getX() + ',' + vertices[0].getY()).toBe( '0,10' );
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expect( vertices[1].getX() + ',' + vertices[1].getY()).toBe( '10,20' );
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expect( vertices[2].getX() + ',' + vertices[2].getY()).toBe( '30,40' );
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});
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});
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