Tests: Add BufferLoader unit test to check if serialized BufferAttribute can be deserialized

Author: takahirox

test/unit/src/loaders/BufferGeometryLoader.tests.js

@@ -1,6 +1,9 @@
 /* global QUnit */
 
+import { BufferAttribute } from '../../../../src/core/BufferAttribute';
+import { BufferGeometry } from '../../../../src/core/BufferGeometry';
 import { BufferGeometryLoader } from '../../../../src/loaders/BufferGeometryLoader';
+import { DynamicDrawUsage } from '../../../../src/constants';
 
 export default QUnit.module( 'Loaders', () => {
 
@@ -26,6 +29,31 @@ export default QUnit.module( 'Loaders', () => {
 
 		} );
 
+		QUnit.test( "parser - attributes - circlable", ( assert ) => {
+
+			const loader = new BufferGeometryLoader();
+			const geometry = new BufferGeometry();
+			const attr = new BufferAttribute( new Float32Array( [ 7, 8, 9, 10, 11, 12 ] ), 2, true );
+			attr.name = 'attribute';
+			attr.setUsage( DynamicDrawUsage );
+			attr.updateRange.offset = 1;
+			attr.updateRange.count = 2;
+
+			geometry.setAttribute( 'attr', attr );
+
+			const geometry2 = loader.parse( geometry.toJSON() );
+
+			assert.ok( geometry2.getAttribute( 'attr' ),
+				'Serialized attribute can be deserialized under the same attribute key.' );
+
+			assert.deepEqual(
+				geometry.getAttribute( 'attr' ),
+				geometry2.getAttribute( 'attr' ),
+				'Serialized attribute can be deserialized correctly.'
+			);
+
+		} );
+
 	} );
 
 } );