| Tests the input validation of WebGL texElementSubImage2D(). | |
| On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". | |
| PASS no texture bound generated INVALID_OPERATION | |
| PASS undefined level generated INVALID_OPERATION | |
| PASS texImage2D generated NO_ERROR | |
| PASS valid call generated NO_ERROR | |
| PASS valid call with empty config generated NO_ERROR | |
| PASS valid call with full source rect generated NO_ERROR | |
| PASS valid call with size generated NO_ERROR | |
| PASS invalid target generated INVALID_ENUM | |
| PASS negative level generated INVALID_VALUE | |
| PASS negative xoffset generated INVALID_VALUE | |
| PASS negative yoffset generated INVALID_VALUE | |
| PASS region outside texture generated INVALID_VALUE | |
| PASS only sx generated INVALID_VALUE | |
| PASS only sy generated INVALID_VALUE | |
| PASS only swidth generated INVALID_VALUE | |
| PASS only sheight generated INVALID_VALUE | |
| PASS three of four source rect members generated INVALID_VALUE | |
| PASS only width generated INVALID_VALUE | |
| PASS only height generated INVALID_VALUE | |
| PASS negative sx generated INVALID_VALUE | |
| PASS negative sy generated INVALID_VALUE | |
| PASS negative swidth generated INVALID_VALUE | |
| PASS negative sheight generated INVALID_VALUE | |
| PASS negative width generated INVALID_VALUE | |
| PASS negative height generated INVALID_VALUE | |
| PASS zero swidth generated INVALID_VALUE | |
| PASS zero width generated INVALID_VALUE | |
| PASS zero height generated INVALID_VALUE | |
| PASS PIXEL_UNPACK_BUFFER bound generated INVALID_OPERATION | |
| PASS PIXEL_UNPACK_BUFFER unbound generated NO_ERROR | |
| PASS successfullyParsed is true | |
| TEST COMPLETE | |