101 lines
2.3 KiB
HTML
101 lines
2.3 KiB
HTML
<!DOCTYPE html>
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<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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function test_ZoomOut_constructor (t) {
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t.plan( 2 );
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// setup
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var control = new OpenLayers.Control.ZoomOut();
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// tests
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//
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t.ok(
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control instanceof OpenLayers.Control.ZoomOut,
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"new OpenLayers.Control.ZoomOut returns object"
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);
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t.eq(
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control.displayClass, "olControlZoomOut",
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"displayClass is correct"
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);
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// tear down
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control.destroy();
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}
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function test_ZoomOut_type(t){
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t.plan( 1 );
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// setup
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var control = new OpenLayers.Control.ZoomOut();
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// check that the type of the control equals OpenLayers.Control.TYPE_BUTTON
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t.eq(
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control.type,
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OpenLayers.Control.TYPE_BUTTON,
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'ZoomOut-control is of type "OpenLayers.Control.TYPE_BUTTON".'
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);
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// tear down
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control.destroy();
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}
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function test_ZoomOut_trigger (t) {
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t.plan( 2 );
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// set up
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var control = new OpenLayers.Control.ZoomOut(),
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zoomlevel = 5,
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map = new OpenLayers.Map("map", {
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allOverlays: true,
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layers: [
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new OpenLayers.Layer.Vector()
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],
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center: new OpenLayers.LonLat(1,1),
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zoom: zoomlevel
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}),
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oldZoom;
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oldZoom = map.getZoom();
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// tests
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//
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// trigger the control before it is being added,
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// nothing should change
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control.trigger();
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t.eq(
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oldZoom,
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zoomlevel,
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'Calling trigger on a non added control doesn\'t do anything ' +
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'(map zoom is ' + oldZoom + ').'
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);
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// now lets add the control
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map.addControl(control);
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// trigger it again, now the map should have a different extent
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control.trigger();
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t.eq(
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map.getZoom(),
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zoomlevel - 1,
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'Calling trigger on a added control changes the map zoom ' +
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'(map zoom was ' + zoomlevel +
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' and is now ' + map.getZoom() + ').'
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);
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// tear down
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control.destroy();
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map.destroy();
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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" style="width: 1000px; height: 1000px;"></div>
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</body>
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</html>
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