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<html>
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<head>
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<script src="../lib/OpenLayers.js"></script>
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<script type="text/javascript"><!--
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var layer;
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function test_01_Layer_constructor (t) {
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t.plan( 14 );
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var options = { chicken: 151, foo: "bar", projection: "none" };
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var layer = new OpenLayers.Layer('Test Layer', options);
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t.ok( layer instanceof OpenLayers.Layer, "new OpenLayers.Layer returns object" );
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t.eq( layer.CLASS_NAME, "OpenLayers.Layer", "CLASS_NAME variable set correctly");
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t.eq( layer.name, "Test Layer", "layer.name is correct" );
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t.ok( layer.id != null, "Layer is given an id");
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t.ok( layer.id.startsWith("Layer_"), "layer id starts correctly");
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t.ok( layer.projection, "none", "default layer projection correctly set");
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t.ok( ((layer.chicken == 151) && (layer.foo == "bar")), "layer.options correctly set to Layer Object" );
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t.ok( ((layer.options["chicken"] == 151) && (layer.options["foo"] == "bar")), "layer.options correctly backed up" );
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options.chicken = 552;
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t.eq( layer.options["chicken"], 151 , "layer.options correctly made fresh copy" );
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t.eq( layer.isBaseLayer, false, "Default layer is not base layer" );
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layer = new OpenLayers.Layer('Test Layer');
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t.ok( layer instanceof OpenLayers.Layer, "new OpenLayers.Layer returns object" );
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t.eq( layer.name, "Test Layer", "layer.name is correct" );
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t.ok( layer.projection == null, "default layer projection correctly set");
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t.ok( layer.options instanceof Object, "layer.options correctly initialized as a non-null Object" );
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}
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function test_02_Layer_clone (t) {
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t.plan( 6 );
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var map = new OpenLayers.Map('map');
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var options = { chicken: 151, foo: "bar" };
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var layer = new OpenLayers.Layer('Test Layer', options);
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map.addLayer(layer);
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// randomly assigned property
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layer.chocolate = 5;
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var clone = layer.clone();
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t.ok( clone instanceof OpenLayers.Layer, "new OpenLayers.Layer returns object" );
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t.eq( clone.name, "Test Layer", "default clone.name is correct" );
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t.ok( ((clone.options["chicken"] == 151) && (clone.options["foo"] == "bar")), "clone.options correctly set" );
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t.eq(clone.chocolate, 5, "correctly copied randomly assigned property");
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layer.addOptions({chicken:152});
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t.eq(clone.options["chicken"], 151, "made a clean copy of options");
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t.ok( clone.map == null, "cloned layer has map property set to null")
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}
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function test_03_Layer_setName (t) {
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t.plan( 1 );
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layer = new OpenLayers.Layer('Test Layer');
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layer.setName("chicken");
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t.eq(layer.name, "chicken", "setName() works")
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}
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function test_04_Layer_addOptions (t) {
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t.plan( 4 );
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var options = { chicken: 151, foo: "bar" };
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var layer = new OpenLayers.Layer('Test Layer', options);
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layer.addOptions({bark:55, chicken: 171});
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t.eq(layer.bark, 55, "addOptions() assigns new option correctly to Layer");
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t.eq(layer.options.bark, 55, "addOptions() adds new option correctly to backup");
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t.eq(layer.chicken, 171, "addOptions() overwrites option correctly to Layer");
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t.eq(layer.options.chicken, 171, "addOptions() overwrites option correctly to backup");
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}
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function test_04_Layer_StandardOptionsAccessors (t) {
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t.plan( 4 );
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var projection = "chicken";
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var maxExtent = new OpenLayers.Bounds(50,50,100,100);
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var maxResolution = 1.5726;
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var numZoomLevels = 11;
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var options = { projection: projection,
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maxExtent: maxExtent,
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maxResolution: maxResolution,
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numZoomLevels: numZoomLevels
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};
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var layer = new OpenLayers.Layer('Test Layer', options);
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t.eq(layer.getProjection(), projection, "getProjection() works");
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t.ok(layer.getMaxExtent().equals(maxExtent), "getMaxExtent() works");
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t.eq(layer.getMaxResolution(), maxResolution, "getMaxResolution() works");
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t.eq(layer.getNumZoomLevels(), numZoomLevels, "getNumZoomLevels() works");
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}
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function test_05_Layer_visibility(t) {
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t.plan(3)
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var layer = new OpenLayers.Layer('Test Layer');
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t.eq(layer.getVisibility(), true, "default for layer creation is visible");
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layer.setVisibility(false);
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t.eq(layer.getVisibility(), false, "setVisibility false works");
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layer.setVisibility(true);
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t.eq(layer.getVisibility(), true, "setVisibility true works");
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}
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/******
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*
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*
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* HERE IS WHERE SOME TESTS SHOULD BE PUT TO CHECK ON THE LONLAT-PX TRANSLATION
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* FUNCTIONS AND RESOLUTION AND GETEXTENT GETZOOMLEVEL, ETC
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*
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*
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*/
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function test_99_Layer_destroy (t) {
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t.plan( 4 );
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer('Test Layer');
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map.addLayer(layer);
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layer.destroy();
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t.eq( layer.name, null, "layer.name is null after destroy" );
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t.eq( layer.div, null, "layer.div is null after destroy" );
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t.eq( layer.map, null, "layer.map is null after destroy" );
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t.eq( layer.options, null, "layer.options is null after destroy" );
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}
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// -->
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</script>
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</head>
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<body>
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<div id="map"></div>
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</body>
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</html>
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