Add LineString/linestring.

The inhertance of this class might change in the future.
2012-06-21 15:57:04 +02:00
parent 745ae25b6b
commit ce49bb8876
4 changed files with 536 additions and 0 deletions
--- a/test/spec/ol/geom/LineString.test.js
+++ b/test/spec/ol/geom/LineString.test.js
@@ -0,0 +1,112 @@
+describe("ol.geom.LineString", function() {
+    var ls;
+    
+    beforeEach(function(){
+        ls = new ol.geom.LineString([
+            new ol.geom.Point(0,0),
+            new ol.geom.Point(10,10),
+            new ol.geom.Point(10,0),
+            new ol.geom.Point(20,20)
+        ]);
+    });
+    
+    afterEach(function(){
+        ls = null;
+    });
+    
+    it("constructs instances", function() {
+        expect( ls ).toBeA( ol.geom.LineString );
+    });
+    
+    it("can construct instances without any points", function() {
+        // empty array
+        mp = new ol.geom.LineString([]);
+        expect( ls ).toBeA( ol.geom.LineString );
+        
+        // no argument at all
+        mp = new ol.geom.LineString();
+        expect( ls ).toBeA( ol.geom.LineString );
+    });
+    
+    it("inherits from ol.geom.Geometry", function() {
+        expect( ls ).toBeA( ol.geom.Geometry );
+    });
+    
+    it("has a working getter for vertices", function() {
+        
+        var vertices = ls.getVertices();
+        
+        expect( vertices ).toBeA( Array );
+        expect( vertices.length ).toBe( 4 );
+        expect( vertices[0] ).toBeA( ol.geom.Point );
+        
+        expect( vertices[0].getX() + ',' + vertices[0].getY()).toBe( '0,0' );
+        
+    });
+    
+    it("has a working setter for vertices", function() {
+        
+        ls.setVertices([
+            new ol.geom.Point(30,40),
+            new ol.geom.Point(50,60)
+        ]);
+        
+        var vertices = ls.getVertices();
+        
+        expect( vertices.length ).toBe( 2 );
+        expect( vertices[0] ).toBeA( ol.geom.Point );
+        expect( vertices[1] ).toBeA( ol.geom.Point );
+        
+        expect( vertices[0].getX() + ',' + vertices[0].getY()).toBe( '30,40' );
+        expect( vertices[1].getX() + ',' + vertices[1].getY()).toBe( '50,60' );
+        
+    });
+    
+    it("has a method to add vertices", function() {
+        
+        ls.addVertex(
+            new ol.geom.Point(30,40),
+            1
+        );
+        ls.addVertex(
+            new ol.geom.Point(50,60),
+            2
+        );
+        ls.addVertex(
+            new ol.geom.Point(-10,0),
+            0
+        );
+        
+        var vertices = ls.getVertices();
+        
+        expect( vertices.length ).toBe( 7 );
+        expect( vertices[0].getX() + ',' + vertices[0].getY()).toBe( '-10,0' );
+        expect( vertices[1].getX() + ',' + vertices[1].getY()).toBe( '0,0' );
+        expect( vertices[2].getX() + ',' + vertices[2].getY()).toBe( '30,40' );
+        expect( vertices[3].getX() + ',' + vertices[3].getY()).toBe( '50,60' );
+        expect( vertices[4].getX() + ',' + vertices[4].getY()).toBe( '10,10' );
+        expect( vertices[5].getX() + ',' + vertices[5].getY()).toBe( '10,0' );
+        expect( vertices[6].getX() + ',' + vertices[6].getY()).toBe( '20,20' );
+        
+    });
+    
+    it("has a method to remove vertices", function() {
+        ls.setVertices([
+            new ol.geom.Point(0,10),
+            new ol.geom.Point(10,20),
+            new ol.geom.Point(20,30),
+            new ol.geom.Point(30,40)
+        ]);
+        
+        var v = ls.getVertices()[2]; // 20,30;
+        
+        ls.removeVertex( v );
+        
+        var vertices = ls.getVertices();
+        
+        expect( vertices.length ).toBe( 3 );
+        expect( vertices[0].getX() + ',' + vertices[0].getY()).toBe( '0,10' );
+        expect( vertices[1].getX() + ',' + vertices[1].getY()).toBe( '10,20' );
+        expect( vertices[2].getX() + ',' + vertices[2].getY()).toBe( '30,40' );
+    });     
+});