Add test for ExtraParams

lib/classes/public/ExtraParams.spec.ts

@@ -0,0 +1,26 @@
+import { ExtraParams } from './ExtraParams';
+import * as assert from 'assert';
+
+const b64string = 'AmAAEQAAAC2I07gMc7AzeOCdhL1CricFgAASAAAAAQDzztZj0h5LaIn/xt8fChDC';
+const paramsBuf = Buffer.from(b64string, 'base64');
+
+describe('ExtraParams', () =>
+{
+    it('Can load and params to/from base64', async() =>
+    {
+        const p = ExtraParams.from(paramsBuf);
+        if (p.renderMaterialData)
+        {
+            assert.equal(p.renderMaterialData.params.length, 1);
+            assert.equal(p.renderMaterialData.params[0].textureUUID, 'f3ced663-d21e-4b68-89ff-c6df1f0a10c2');
+            assert.equal(p.renderMaterialData.params[0].textureIndex, 0);
+        }
+        else
+        {
+            assert(false, 'RenderMaterialData is missing');
+        }
+        const b64 = p.toBase64();
+        assert.equal(b64, b64string);
+    });
+});
+