80fa251649
This removes all tile queueing/loading specific code from Layer.Grid and creates a new class that manages tile loading and caching.
131 lines
4.0 KiB
HTML
131 lines
4.0 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 tile;
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var map, layer;
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function setUp() {
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map = new OpenLayers.Map("map");
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layer = new OpenLayers.Layer(null, {
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isBaseLayer: true
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});
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map.addLayer(layer)
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map.setCenter(new OpenLayers.LonLat(0, 0));
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}
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function tearDown() {
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map.destroy();
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map = null;
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layer = null;
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}
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function test_Tile_constructor (t) {
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t.plan( 13 );
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setUp();
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var dummy = {};
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var position = new OpenLayers.Pixel(10,20);
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var bounds = new OpenLayers.Bounds(1,2,3,4);
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var url = "bobob";
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var size = new OpenLayers.Size(5,6);
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tile = new OpenLayers.Tile(layer, position, bounds, url, size, {
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eventListeners: {
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loadstart: OpenLayers.Function.False
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}
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});
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t.ok(tile instanceof OpenLayers.Tile, "new OpenLayers.Tile returns Tile object");
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t.ok(tile.layer === layer, "tile.layer set correctly");
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t.ok(tile.position.equals(position), "tile.position set correctly");
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t.ok(tile.position != position, "tile.position set not by reference");
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t.ok(tile.bounds.equals(bounds), "tile.bounds set correctly");
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t.ok(tile.bounds != bounds, "tile.bounds set not by reference");
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t.eq(tile.url, url, "tile.url set correctly");
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t.ok(tile.size.equals(size), "tile.size is set correctly");
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t.ok(tile.size != size, "tile.size set not by reference");
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t.ok(tile.id != null, "tile is given an id");
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t.ok(OpenLayers.String.startsWith(tile.id, "Tile_"),
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"tile's id starts correctly");
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t.ok(tile.events != null, "tile's events initialized");
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t.ok(tile.events.listeners.loadstart.length == 1,
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"tile's events initialized from eventListeners option");
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tearDown();
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}
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function test_Tile_draw(t) {
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t.plan(6);
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setUp();
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var position = new OpenLayers.Pixel(10,20);
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var bounds = new OpenLayers.Bounds(1,2,3,4);
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var url = "bobob";
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var size = new OpenLayers.Size(5,6);
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tile = new OpenLayers.Tile(layer, position, bounds, url, size);
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var log = [];
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tile.clear = function() {
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log.push("clear");
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}
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tile.draw();
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t.eq(log.length, 1, "Tile cleared before drawing");
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log = [];
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tile.events.register("beforedraw", this, function() {
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log.push("beforedraw");
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return false;
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});
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var drawn = tile.draw();
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t.eq(log[0], "clear", "tile cleared");
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t.eq(log[1], "beforedraw", "beforedraw event fired");
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t.eq(drawn, null, "tile not drawn when beforedraw listener returns false");
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drawn = tile.draw(true);
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t.eq(log.length, 2, "no beforedraw event fired and tile not cleared when draw called with 'deferred' argument set to true");
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t.eq(drawn, true, "tile drawn when draw called with 'deferred' argument set to true");
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tearDown();
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}
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function test_Tile_destroy(t) {
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t.plan( 6 );
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setUp();
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var position = new OpenLayers.Pixel(10,20);
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var bounds = new OpenLayers.Bounds(1,2,3,4);
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var url = "bobob";
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var size = new OpenLayers.Size(5,6);
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tile = new OpenLayers.Tile(layer, position, bounds, url, size);
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tile.events.destroy = function() {
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t.ok(true, "tile events destroy() called");
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};
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tile.destroy();
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t.ok(tile.layer == null, "tile.layer set to null");
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t.ok(tile.bounds == null, "tile.bounds set to null");
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t.ok(tile.size == null, "tile.size set to null");
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t.ok(tile.position == null, "tile.position set to null");
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t.ok(tile.events == null, "tile.events set to null");
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tearDown();
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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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