test( "x", { }, a + b, { s(x = sd) } ) test( "x", { }, a + b, { s(x = sd) } ) test( "x", { }, a + b, { s(x = sd) } ) test( "x", { }, a + b, { s(x = sd) } ) test( "x", { }, # h a + b, { s(x = sd) } ) test( "x", { }, # h a + b, # k { s(x = sd) } ) test( "x", { }, a + b, # k { s(x = sd) } ) tetst( "x", { x }, 1 + +1 ) while ({ x }) { f() } while ({ x }) { f() } while ({ x }) { f() } while ({ x }) { f() }