| PASS sending a plain empty object | |
| PASS sending the ES Math object | |
| PASS sending a new XHR instance | |
| PASS sending object that stringifies to undefined | |
| PASS sending object that stringifies to null | |
| PASS object that stringifies to query string | |
| PASS object that stringifies to JSON string | |
| PASS object whose valueOf() returns a document - ignore valueOf(), stringify | |
| PASS object whose toString() returns a document, expected to throw | |
| PASS object whose toString() throws, expected to throw | |