Tests that index validation verifies the correct number of indices

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".

Testing with valid indices
PASS gl.checkFramebufferStatus(gl.FRAMEBUFFER) is gl.FRAMEBUFFER_COMPLETE
PASS getError was expected value: NO_ERROR : 
PASS gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0) is undefined.
PASS getError was expected value: NO_ERROR : 
Testing with out-of-range indices
Enable vertices, valid
PASS getError was expected value: NO_ERROR : 
PASS gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0) is undefined.
PASS getError was expected value: NO_ERROR : 
Enable normals, out-of-range
PASS getError was expected value: NO_ERROR : 
PASS gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0) is undefined.
PASS getError was expected value: INVALID_OPERATION : 
Test with enabled attribute that does not belong to current program
Enable an extra attribute with null
PASS getError was expected value: NO_ERROR : 
PASS gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0) is undefined.
PASS getError was expected value: INVALID_OPERATION : 
Enable an extra attribute with insufficient data buffer
PASS getError was expected value: NO_ERROR : 
PASS gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0) is undefined.
Pass large negative index to vertexAttribPointer
PASS getError was expected value: INVALID_VALUE : 
PASS gl.drawElements(gl.TRIANGLES, 3, gl.UNSIGNED_SHORT, 0) is undefined.
PASS successfullyParsed is true

TEST COMPLETE