expected <- eval(parse(text="FALSE"));                  
test(id=0, code={                  
argv <- eval(parse(text="list(structure(c(1+2i, 5+0i, 3-4i, -6+0i), .Dim = c(2L, 2L)), \"any\")"));                  
.Internal(is.vector(argv[[1]], argv[[2]]));                  
}, o=expected);                  

