Merge pull request #2282 from marcjansen/coordinate-tests

Add more tests to ol.coordinate

test/spec/ol/coordinate.test.js

@@ -2,6 +2,47 @@ goog.provide('ol.test.coordinate');
 
 describe('ol.coordinate', function() {
 
+  describe('#add', function() {
+    var coordinate,
+        delta;
+
+    beforeEach(function() {
+      coordinate = [50.73, 7.1];
+      delta = [-2, 3];
+    });
+
+    it('returns a coordinate', function() {
+      var returnedCoordinate = ol.coordinate.add(coordinate, delta);
+      expect(returnedCoordinate).to.be.an('array');
+      expect(returnedCoordinate).to.have.length(2);
+    });
+
+    it('adds the delta', function() {
+      var returnedCoordinate = ol.coordinate.add(coordinate, delta);
+      expect(returnedCoordinate[0]).to.eql(48.73);
+      expect(returnedCoordinate[1]).to.eql(10.1);
+    });
+
+    it('modifies in place', function() {
+      ol.coordinate.add(coordinate, delta);
+      expect(coordinate[0]).to.eql(48.73);
+      expect(coordinate[1]).to.eql(10.1);
+    });
+  });
+
+  describe('#equals', function() {
+    var cologne = [50.93333, 6.95],
+        bonn1 = [50.73, 7.1],
+        bonn2 = [50.73000, 7.10000];
+
+    it('compares correctly', function() {
+      var bonnEqualsBonn = ol.coordinate.equals(bonn1, bonn2),
+          bonnEqualsCologne = ol.coordinate.equals(bonn1, cologne);
+      expect(bonnEqualsBonn).to.be(true);
+      expect(bonnEqualsCologne).to.be(false);
+    });
+  });
+
   describe('#format', function() {
     var coordinate;
     beforeEach(function() {
@@ -19,6 +60,35 @@ describe('ol.coordinate', function() {
     });
   });
 
+  describe('#createStringXY', function() {
+    var coordinate,
+        created,
+        formatted;
+    beforeEach(function() {
+      coordinate = [6.6123, 46.7919];
+      created = null;
+      formatted = null;
+    });
+
+    it('returns a CoordinateFormatType', function() {
+      created = ol.coordinate.createStringXY();
+      expect(created).to.be.a('function');
+
+      formatted = created(coordinate);
+      expect(formatted).to.be.a('string');
+      expect(formatted).to.eql('7, 47');
+    });
+
+    it('respects opt_fractionDigits', function() {
+      created = ol.coordinate.createStringXY(3);
+      expect(created).to.be.a('function');
+
+      formatted = created(coordinate);
+      expect(formatted).to.be.a('string');
+      expect(formatted).to.eql('6.612, 46.792');
+    });
+  });
+
   describe('#closestOnSegment', function() {
     it('can handle points where the foot of the perpendicular is closest',
         function() {