+ """Execute a shell "if" command, and validate its result."""
+
+ config = u_boot_console.config.buildconfig
+ maxargs = int(config.get('config_sys_maxargs', '0'))
+ args = len(expr.split(' ')) - 1
+ if args > maxargs:
+ u_boot_console.log.warning('CONFIG_SYS_MAXARGS too low; need ' +
+ str(args))
+ pytest.skip()