test/intl/assert.js
/**
 * Throws if value is null.
 */
Throws if value is null.
Throws if value is null .
function assertNotNull(value, user_message = '') {
  if (value === null) {
    fail("not null", value, user_message);
  }
}
function assertNotNull ( value , user_message = '' ) { if ( value === null ) { fail ( "not null" , value , user_message ) ; } }
Throws if value is null.
Throws if value is null .