defineSuite([
        'Core/buildModuleUrl',
        'Core/Resource',
        'ThirdParty/Uri'
    ], function(
        buildModuleUrl,
        Resource,
        Uri) {
    'use strict';

    it('produces an absolute URL for a module', function() {
        var url = buildModuleUrl('Workers/transferTypedArrayTest.js');

        expect(url).toMatch(/Workers\/transferTypedArrayTest.js$/);
        expect(new Uri(url).isAbsolute()).toBe(true);

        // make sure it actually exists at that URL
        return Resource.fetchText(url);
    });

    it('matches the expected forms of URLs to Cesium.js', function() {
        var r = buildModuleUrl._cesiumScriptRegex;

        expect(r.exec('Cesium.js')[1]).toEqual('');
        expect(r.exec('assets/foo/Cesium-b16.js')[1]).toEqual('assets/foo/');
        expect(r.exec('assets/foo/Cesium.js')[1]).toEqual('assets/foo/');
        expect(r.exec('http://example.invalid/Cesium/assets/foo/Cesium.js')[1]).toEqual('http://example.invalid/Cesium/assets/foo/');

        expect(r.exec('assets/foo/bar.cesium.js')).toBeNull();
    });

    it('CESIUM_BASE_URL works with trailing slash', function() {
        // Set new variables
        var oldCESIUM_BASE_URL = window.CESIUM_BASE_URL;
        window.CESIUM_BASE_URL = 'http://test.com/source/';
        buildModuleUrl._clearBaseResource();

        // Verify we use CESIUM_BASE_URL
        var url = buildModuleUrl._buildModuleUrlFromBaseUrl('Core/Cartesian3.js');
        expect(url).toEqual('http://test.com/source/Core/Cartesian3.js');

        // Reset old values
        window.CESIUM_BASE_URL = oldCESIUM_BASE_URL;
        buildModuleUrl._clearBaseResource();
    });

    it('CESIUM_BASE_URL works without trailing slash', function() {
        // Set new variables
        var oldCESIUM_BASE_URL = window.CESIUM_BASE_URL;
        window.CESIUM_BASE_URL = 'http://test.com/source';
        buildModuleUrl._clearBaseResource();

        // Verify we use CESIUM_BASE_URL
        var url = buildModuleUrl._buildModuleUrlFromBaseUrl('Core/Cartesian3.js');
        expect(url).toEqual('http://test.com/source/Core/Cartesian3.js');

        // Reset old values
        window.CESIUM_BASE_URL = oldCESIUM_BASE_URL;
        buildModuleUrl._clearBaseResource();
    });
});