101 lines
3.1 KiB
JavaScript
101 lines
3.1 KiB
JavaScript
defineSuite([
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'Scene/GridImageryProvider',
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'Core/Ellipsoid',
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'Core/GeographicTilingScheme',
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'Core/WebMercatorTilingScheme',
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'Scene/ImageryProvider',
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'Specs/pollToPromise',
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'ThirdParty/when'
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], function(
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GridImageryProvider,
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Ellipsoid,
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GeographicTilingScheme,
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WebMercatorTilingScheme,
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ImageryProvider,
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pollToPromise,
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when) {
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'use strict';
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it('conforms to ImageryProvider interface', function() {
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expect(GridImageryProvider).toConformToInterface(ImageryProvider);
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});
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it('resolves readyPromise', function() {
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var provider = new GridImageryProvider();
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return provider.readyPromise.then(function (result) {
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expect(result).toBe(true);
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expect(provider.ready).toBe(true);
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});
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});
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it('returns valid value for hasAlphaChannel', function() {
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var provider = new GridImageryProvider();
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return pollToPromise(function() {
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return provider.ready;
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}).then(function() {
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expect(typeof provider.hasAlphaChannel).toBe('boolean');
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});
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});
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it('can use a custom ellipsoid', function() {
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var ellipsoid = new Ellipsoid(1, 2, 3);
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var provider = new GridImageryProvider({
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ellipsoid : ellipsoid
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});
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return pollToPromise(function() {
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return provider.ready;
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}).then(function() {
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expect(provider.tilingScheme.ellipsoid).toEqual(ellipsoid);
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});
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});
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it('can provide a root tile', function() {
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var provider = new GridImageryProvider();
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return pollToPromise(function() {
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return provider.ready;
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}).then(function() {
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expect(provider.tileWidth).toEqual(256);
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expect(provider.tileHeight).toEqual(256);
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expect(provider.maximumLevel).toBeUndefined();
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expect(provider.tilingScheme).toBeInstanceOf(GeographicTilingScheme);
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expect(provider.tileDiscardPolicy).toBeUndefined();
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expect(provider.rectangle).toEqual(new GeographicTilingScheme().rectangle);
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return when(provider.requestImage(0, 0, 0), function(image) {
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expect(image).toBeDefined();
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});
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});
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});
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it('uses alternate tiling scheme if provided', function() {
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var tilingScheme = new WebMercatorTilingScheme();
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var provider = new GridImageryProvider({
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tilingScheme : tilingScheme
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});
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return pollToPromise(function() {
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return provider.ready;
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}).then(function() {
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expect(provider.tilingScheme).toBe(tilingScheme);
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});
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});
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it('uses tile width and height if provided', function() {
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var provider = new GridImageryProvider({
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tileWidth : 123,
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tileHeight : 456
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});
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return pollToPromise(function() {
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return provider.ready;
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}).then(function() {
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expect(provider.tileWidth).toEqual(123);
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expect(provider.tileHeight).toEqual(456);
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});
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});
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});
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