SVGPathElement.getTotalLength edge case tests
No 'd' specified: 0
Empty 'd' specified: 0
Invalid 'd' specified: 0
Single MoveTo 'd' specified: 0

SVGPathElement.getPathSegAtLength(0) edge case tests
No 'd' specified: exception: TypeError: no_d.getPathSegAtLength is not a function
Empty 'd' specified: exception: TypeError: empty_d.getPathSegAtLength is not a function
Invalid 'd' specified: exception: TypeError: invalid_d.getPathSegAtLength is not a function
Single MoveTo 'd' specified: exception: TypeError: moveto_d.getPathSegAtLength is not a function