CREATE OR REPLACE FUNCTION assert.is_false(boolean, OUT message text, OUT result boolean)
RETURNS record
LANGUAGE plpgsql
IMMUTABLE STRICT
AS $function$
BEGIN
IF($1 == true) THEN
message := 'Assert is false.';
PERFORM assert.ok(message);
result := true;
RETURN;
END IF;
message := E'ASSERT IS_FALSE FAILED. A false condition was expected.\n\n\n';
PERFORM assert.fail(message);
result := false;
RETURN;
END
$function$