f84f696e31
git-svn-id: http://svn.openlayers.org/trunk/openlayers@11162 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
432 lines
16 KiB
HTML
432 lines
16 KiB
HTML
<html>
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<head>
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<script src="../OLLoader.js"></script>
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<script type="text/javascript">
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var coll;
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function test_Collection_constructor (t) {
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t.plan( 4 );
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//null param
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coll = new OpenLayers.Geometry.Collection();
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t.ok( coll instanceof OpenLayers.Geometry.Collection, "new OpenLayers.Geometry.Collection returns coll object" );
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t.eq( coll.CLASS_NAME, "OpenLayers.Geometry.Collection", "coll.CLASS_NAME is set correctly");
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t.eq( coll.components.length, 0, "coll.components is set correctly");
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OpenLayers.Geometry.Collection.prototype._addComponents =
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OpenLayers.Geometry.Collection.prototype.addComponents;
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OpenLayers.Geometry.Collection.prototype.addComponents =
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function(comps) { g_addcomponents = comps; };
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//valid param
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g_addcomponents = null;
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var components = {};
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coll = new OpenLayers.Geometry.Collection(components);
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t.ok(g_addcomponents, components, "addcomponents called on non-null param")
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OpenLayers.Geometry.Collection.prototype.addComponents =
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OpenLayers.Geometry.Collection.prototype._addComponents;
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}
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function test_Collection_addComponents (t) {
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t.plan( 10 );
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coll = new OpenLayers.Geometry.Collection();
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//null
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coll.addComponents(null);
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t.ok(true, "doesn't break on add null components");
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OpenLayers.Geometry.Collection.prototype._addComponent =
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OpenLayers.Geometry.Collection.prototype.addComponent;
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OpenLayers.Geometry.Collection.prototype.addComponent =
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function(comp) { g_addComp = comp; g_added++};
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//nonarray argument
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var g_added = 0;
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var g_addComp = 0;
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var component = {};
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coll.addComponents(component);
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t.eq(g_added, 1, "added once");
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t.eq(g_addComp, component, "added component");
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//array arg
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var g_added = 0;
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var g_addComp = 0;
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var component1 = {};
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var component2 = {};
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coll.addComponents([component1, component2]);
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t.eq(g_added, 2, "added twice");
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t.eq(g_addComp, component2, "added component");
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OpenLayers.Geometry.Collection.prototype.addComponent =
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OpenLayers.Geometry.Collection.prototype._addComponent;
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coll.addComponents(new OpenLayers.Geometry.Point(0,0));
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coll.addComponents(new OpenLayers.Geometry.Point(10,10));
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t.eq( coll.components.length, 2, "added two components to collection" );
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bounds = coll.getBounds();
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t.eq( bounds.left, 0, "left bound is 0" );
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t.eq( bounds.bottom, 0, "bottom bound is 0" );
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t.eq( bounds.right, 10, "right bound is 10" );
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t.eq( bounds.top, 10, "top bound is 10" );
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}
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function test_Collection_clone (t) {
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t.plan( 3 );
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coll = new OpenLayers.Geometry.Collection();
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coll.addComponents(new OpenLayers.Geometry.Point(0,0));
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coll.addComponents(new OpenLayers.Geometry.Point(10,10));
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coll2 = coll.clone();
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t.ok( coll2 instanceof OpenLayers.Geometry.Collection, "coll.clone() returns collection object" );
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t.eq( coll2.components.length, 2, "coll2.components.length is set correctly");
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t.ok( coll2.components[0] instanceof OpenLayers.Geometry.Point,
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"coll2.components.length is set correctly");
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}
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function test_Collection_removeComponents (t) {
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t.plan( 5 );
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coll = new OpenLayers.Geometry.Collection();
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point = new OpenLayers.Geometry.Point(0,0);
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coll.addComponents(point);
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coll.addComponents(new OpenLayers.Geometry.Point(10,10));
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coll.removeComponents(coll.components[0]);
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t.eq( coll.components.length, 1, "coll.components.length is smaller after removeComponent" );
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t.ok( coll.bounds == null, "bounds are nullified after call to remove (to trigger recalc on getBounds()");
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bounds = coll.getBounds();
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t.eq( bounds.left, 10, "left bound is 10 after removeComponent" );
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t.eq( bounds.bottom, 10, "bottom bound is 10 after removeComponent" );
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coll = new OpenLayers.Geometry.Collection();
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for(var i=0; i<5; ++i) {
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coll.addComponents(
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new OpenLayers.Geometry.Point(Math.random(), Math.random())
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);
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}
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coll.removeComponents(coll.components);
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t.eq(coll.components.length, 0,
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"remove components even works with multiple components");
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}
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function test_Collection_calculateBounds(t) {
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t.plan( 9 );
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var coll = new OpenLayers.Geometry.Collection();
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coll.calculateBounds();
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t.eq(coll.bounds, null, "null components list gives null bounds on calculation()");
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var p1 = new OpenLayers.Geometry.Point(10,20);
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var p2 = new OpenLayers.Geometry.Point(30,40);
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var components = [p1, p2];
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coll = new OpenLayers.Geometry.Collection(components);
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coll.calculateBounds();
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t.eq(coll.bounds.left, 10, "good left bounds");
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t.eq(coll.bounds.bottom, 20, "good bottom bounds");
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t.eq(coll.bounds.right, 30, "good right bounds");
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t.eq(coll.bounds.top, 40, "good top bounds");
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var newPoint = new OpenLayers.Geometry.Point(60,70);
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coll.addComponent(newPoint);
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coll.calculateBounds();
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t.eq(coll.bounds.left, 10, "good left bounds");
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t.eq(coll.bounds.bottom, 20, "good bottom bounds");
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t.eq(coll.bounds.right, 60, "good right bounds");
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t.eq(coll.bounds.top, 70, "good top bounds");
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}
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function test_Collection_equals(t) {
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t.plan(1);
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var geom = new OpenLayers.Geometry.Collection();
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t.ok(!geom.equals(), "collection.equals() returns false for undefined");
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}
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function test_Collection_addComponent(t) {
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t.plan(10);
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var coll = new OpenLayers.Geometry.Collection();
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//null
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coll.addComponent(null);
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t.ok(!coll.addComponent(null),
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"addComponent returns false for bad component")
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//good component
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var component = new OpenLayers.Geometry.Point(3,4);
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t.ok(coll.addComponent(component),
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"addComponent returns true for good component");
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t.ok(coll.bounds == null, "bounds cache correctly cleared");
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var foundComponent = false;
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for(var i=0; i< coll.components.length; i++) {
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if (coll.components[i].equals(component)) {
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foundComponent = true;
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}
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}
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t.ok(foundComponent, "component added to internal array");
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// restricted components
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coll.componentTypes = ["OpenLayers.Geometry.Point",
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"OpenLayers.Geometry.LineString"];
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var point1 = new OpenLayers.Geometry.Point(0,0);
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var point2 = new OpenLayers.Geometry.Point(1,1);
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var line = new OpenLayers.Geometry.LineString([point1, point2]);
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var multipoint = new OpenLayers.Geometry.MultiPoint([point1, point2]);
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t.ok(coll.addComponent(point1),
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"addComponent returns true for 1st geometry type in componentTypes");
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t.ok(OpenLayers.Util.indexOf(coll.components, point1) > -1,
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"addComponent adds 1st restricted type to components array");
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t.ok(coll.addComponent(line),
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"addComponent returns true for 2nd geometry type in componentTypes");
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t.ok(OpenLayers.Util.indexOf(coll.components, point1) > -1,
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"addComponent adds 2nd restricted type to components array");
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t.ok(!coll.addComponent(multipoint),
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"addComponent returns false for geometry type not in componentTypes");
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t.ok(OpenLayers.Util.indexOf(coll.components, multipoint) == -1,
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"addComponent doesn't add restricted type to component array");
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}
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function test_collection_getLength(t) {
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t.plan(2);
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//null
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var coll = new OpenLayers.Geometry.Collection();
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t.eq( coll.getLength(), 0, "null coll has 0 getlength");
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//valid
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coll.components = [
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{ 'getLength': function() { return 50; } },
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{ 'getLength': function() { return 15; } }
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];
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t.eq( coll.getLength(), 65, "coll with valid components correctly sums getlength");
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}
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function test_collection_getArea(t) {
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t.plan(2);
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//null
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var coll = new OpenLayers.Geometry.Collection();
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t.eq( coll.getArea(), 0, "null coll has 0 getArea");
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//valid
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coll.components = [
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{ 'getArea': function() { return 50; } },
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{ 'getArea': function() { return 15; } }
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];
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t.eq( coll.getArea(), 65, "coll with valid components correctly sums getArea");
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}
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function test_transform(t) {
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t.plan(5);
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var p1 = new OpenLayers.Geometry.Point(0,0);
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p1.bounds = "foo";
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var p2 = new OpenLayers.Geometry.Point(1,1);
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p2.bounds = "foo";
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var line = new OpenLayers.Geometry.LineString([p1, p2]);
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var multipoint = new OpenLayers.Geometry.MultiPoint([p1, p2]);
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var coll = new OpenLayers.Geometry.Collection([
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p1, p2, line, multipoint
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]);
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coll.bounds = "foo";
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var wgs84 = new OpenLayers.Projection("EPSG:4326");
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var sm = new OpenLayers.Projection("EPSG:900913");
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coll.transform(wgs84, sm);
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t.eq(coll.bounds, null, "coll bounds cleared");
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t.eq(p1.bounds, null, "p1 component bounds cleared");
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t.eq(p2.bounds, null, "p2 component bounds cleared");
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t.eq(line.bounds, null, "line component bounds cleared");
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t.eq(multipoint.bounds, null, "multipoint component bounds cleared");
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}
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function test_getCentroid_pts_only(t) {
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t.plan(3);
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coll = new OpenLayers.Geometry.Collection();
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coll.addComponent(new OpenLayers.Geometry.Point(0,0));
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coll.addComponent(new OpenLayers.Geometry.Point(1,1));
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centroid = coll.getCentroid(true);
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t.ok(centroid != null, 'The centroid is not null.');
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t.eq(centroid.x, 0.5, 'The centroid x coordinate is good.');
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t.eq(centroid.y, 0.5, 'The centroid y coordinate is good.');
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coll.destroy();
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}
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function test_getCentroid_poly_nonrecursive(t) {
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t.plan(3);
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coll = new OpenLayers.Geometry.Collection();
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coll.addComponent(
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new OpenLayers.Geometry.Polygon([
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new OpenLayers.Geometry.LinearRing([
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new OpenLayers.Geometry.Point(0,0),
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new OpenLayers.Geometry.Point(0,1),
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new OpenLayers.Geometry.Point(1,1),
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new OpenLayers.Geometry.Point(1,0)
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])
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])
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);
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// performing non-recursive getCentroid means this next polygon
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// is excluded from the centroid computation
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coll.addComponent(
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new OpenLayers.Geometry.Polygon([
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new OpenLayers.Geometry.LinearRing([
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new OpenLayers.Geometry.Point(2,2),
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new OpenLayers.Geometry.Point(2,3),
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new OpenLayers.Geometry.Point(3,3),
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new OpenLayers.Geometry.Point(3,2)
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])
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])
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);
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centroid = coll.getCentroid();
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t.ok(centroid != null, 'The centroid is not null.');
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t.eq(centroid.x, 0.5, 'The centroid x coordinate is good.');
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t.eq(centroid.y, 0.5, 'The centroid y coordinate is good.');
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coll.destroy();
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}
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function test_getCentroid_poly_only(t) {
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t.plan(3);
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coll = new OpenLayers.Geometry.Collection();
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coll.addComponent(
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new OpenLayers.Geometry.Polygon([
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new OpenLayers.Geometry.LinearRing([
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new OpenLayers.Geometry.Point(0,0),
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new OpenLayers.Geometry.Point(0,1),
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new OpenLayers.Geometry.Point(1,1),
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new OpenLayers.Geometry.Point(1,0)
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])
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])
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);
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centroid = coll.getCentroid(true);
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t.ok(centroid != null, 'The centroid is not null.');
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t.eq(centroid.x, 0.5, 'The centroid x coordinate is good.');
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t.eq(centroid.y, 0.5, 'The centroid y coordinate is good.');
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coll.destroy();
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}
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function test_getCentroid_poly_and_pts(t) {
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t.plan(3);
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coll = new OpenLayers.Geometry.Collection();
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coll.addComponent(
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new OpenLayers.Geometry.Polygon([
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new OpenLayers.Geometry.LinearRing([
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new OpenLayers.Geometry.Point(0,0),
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new OpenLayers.Geometry.Point(0,1),
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new OpenLayers.Geometry.Point(1,1),
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new OpenLayers.Geometry.Point(1,0)
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])
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])
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);
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// since the polygon above has an area of 1 and these
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// points have an area of 0, they should not change the centroid
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coll.addComponent( new OpenLayers.Geometry.Point(2,2) );
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coll.addComponent( new OpenLayers.Geometry.Point(4,4) );
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centroid = coll.getCentroid(true);
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t.ok(centroid != null, 'The centroid is not null.');
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t.eq(centroid.x, 0.5, 'The centroid x coordinate is good.');
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t.eq(centroid.y, 0.5, 'The centroid y coordinate is good.');
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coll.destroy();
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}
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function test_getCentroid_poly_big_and_small(t) {
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t.plan(3);
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coll = new OpenLayers.Geometry.Collection();
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// polygon w/area=1, centroid=0.5,0.5
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coll.addComponent(
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new OpenLayers.Geometry.Polygon([
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new OpenLayers.Geometry.LinearRing([
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new OpenLayers.Geometry.Point(0,0),
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new OpenLayers.Geometry.Point(0,1),
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new OpenLayers.Geometry.Point(1,1),
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new OpenLayers.Geometry.Point(1,0)
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])
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])
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);
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// since the polygon above has an area of 1 and this
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// polygon has an area of 4, the center is weighted 20% toward
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// the first polygon
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// polygon w/area=4, centroid=5.5,5.5
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coll.addComponent(
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new OpenLayers.Geometry.Polygon([
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new OpenLayers.Geometry.LinearRing([
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new OpenLayers.Geometry.Point(4.5,-0.5),
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new OpenLayers.Geometry.Point(4.5,1.5),
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new OpenLayers.Geometry.Point(6.5,1.5),
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new OpenLayers.Geometry.Point(6.5,-0.5)
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])
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])
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);
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centroid = coll.getCentroid(true);
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t.ok(centroid != null, 'The centroid is not null.');
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t.eq(centroid.x, 4.5, 'The centroid x coordinate is good.');
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t.eq(centroid.y, 0.5, 'The centroid y coordinate is good.');
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coll.destroy();
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}
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function test_avoid_infinite_recursion(t) {
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t.plan(1);
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var g = new OpenLayers.Geometry.Polygon([
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new OpenLayers.Geometry.LinearRing(),
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new OpenLayers.Geometry.LinearRing()
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]);
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var bounds;
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try {
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bounds = g.getBounds();
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t.eq(bounds, null, "Polygon with empty linear ring has null bounds");
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} catch (err) {
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t.fail("Failed to get bounds of polygon with empty linear ring: " + err.message);
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}
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}
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function test_Collection_destroy(t) {
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t.plan( 3 );
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coll = new OpenLayers.Geometry.Collection();
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coll.addComponents(new OpenLayers.Geometry.Point(0,0));
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coll.addComponents(new OpenLayers.Geometry.Point(10,10));
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coll.getBounds();
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coll.destroy();
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t.ok(coll.components == null, "components array cleared");
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t.ok(coll.getBounds() == null, "bounds is cleared");
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t.ok(coll.id == null, "id is cleared");
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}
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</script>
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</head>
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<body>
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</body>
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</html>
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