Function assertWebGLError

test/webgl.js:4–7

(gl, expected, msg = '')

import {assertArrayEqual, assertEqual} from './assert.js';

export function assertWebGLError(gl, expected, msg = '') {
  const err = gl.getError();
  assertEqual(err, expected, `${twgl.glEnumToString(gl, err)} === ${twgl.glEnumToString(gl, expected)}: ${msg}`);
}

export function assertNoWebGLError(gl, msg = '') {
  assertWebGLError(gl, gl.NO_ERROR, msg);