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<html>
<head>
<script src="OLLoader.js"></script>
<script type="text/javascript">
var tile;
var map, layer;
function setUp() {
map = new OpenLayers.Map("map");
layer = new OpenLayers.Layer(null, {
isBaseLayer: true
});
map.addLayer(layer)
map.setCenter(new OpenLayers.LonLat(0, 0));
}
function tearDown() {
map.destroy();
map = null;
layer = null;
}
function test_Tile_constructor (t) {
t.plan( 13 );
setUp();
var dummy = {};
var position = new OpenLayers.Pixel(10,20);
var bounds = new OpenLayers.Bounds(1,2,3,4);
var url = "bobob";
var size = new OpenLayers.Size(5,6);
tile = new OpenLayers.Tile(layer, position, bounds, url, size, {
eventListeners: {
loadstart: OpenLayers.Function.False
}
});
t.ok(tile instanceof OpenLayers.Tile, "new OpenLayers.Tile returns Tile object");
t.ok(tile.layer === layer, "tile.layer set correctly");
t.ok(tile.position.equals(position), "tile.position set correctly");
t.ok(tile.position != position, "tile.position set not by reference");
t.ok(tile.bounds.equals(bounds), "tile.bounds set correctly");
t.ok(tile.bounds != bounds, "tile.bounds set not by reference");
t.eq(tile.url, url, "tile.url set correctly");
t.ok(tile.size.equals(size), "tile.size is set correctly");
t.ok(tile.size != size, "tile.size set not by reference");
t.ok(tile.id != null, "tile is given an id");
t.ok(OpenLayers.String.startsWith(tile.id, "Tile_"),
"tile's id starts correctly");
t.ok(tile.events != null, "tile's events initialized");
t.ok(tile.events.listeners.loadstart.length == 1,
"tile's events initialized from eventListeners option");
tearDown();
}
function test_Tile_draw(t) {
t.plan(6);
setUp();
var position = new OpenLayers.Pixel(10,20);
var bounds = new OpenLayers.Bounds(1,2,3,4);
var url = "bobob";
var size = new OpenLayers.Size(5,6);
tile = new OpenLayers.Tile(layer, position, bounds, url, size);
var log = [];
tile.clear = function() {
log.push("clear");
}
tile.draw();
t.eq(log.length, 1, "Tile cleared before drawing");
log = [];
tile.events.register("beforedraw", this, function() {
log.push("beforedraw");
return false;
});
var drawn = tile.draw();
t.eq(log[0], "clear", "tile cleared");
t.eq(log[1], "beforedraw", "beforedraw event fired");
t.eq(drawn, null, "tile not drawn when beforedraw listener returns false");
drawn = tile.draw(true);
t.eq(log.length, 2, "no beforedraw event fired and tile not cleared when draw called with 'deferred' argument set to true");
t.eq(drawn, true, "tile drawn when draw called with 'deferred' argument set to true");
tearDown();
}
function test_Tile_destroy(t) {
t.plan( 6 );
setUp();
var position = new OpenLayers.Pixel(10,20);
var bounds = new OpenLayers.Bounds(1,2,3,4);
var url = "bobob";
var size = new OpenLayers.Size(5,6);
tile = new OpenLayers.Tile(layer, position, bounds, url, size);
tile.events.destroy = function() {
t.ok(true, "tile events destroy() called");
};
tile.destroy();
t.ok(tile.layer == null, "tile.layer set to null");
t.ok(tile.bounds == null, "tile.bounds set to null");
t.ok(tile.size == null, "tile.size set to null");
t.ok(tile.position == null, "tile.position set to null");
t.ok(tile.events == null, "tile.events set to null");
tearDown();
}
</script>
</head>
<body>
</body>
</html>
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