use nu_test_support::nu; #[test] fn test_parse_subexpression_with_range() { let actual = nu!( cwd: ".", r#" let foo = 3 echo (echo 1..$foo | each { $it }) | to json "# ); assert_eq!(actual.out, "[1,2,3]") } #[test] fn create_nothing_in_table() { let actual = nu!( cwd: ".", r#" echo [[column]; [$nothing]] | to json "# ); assert_eq!(actual.out, "{\"column\":null}"); } #[test] fn compare_to_nothing() { let actual = nu!( cwd: ".", r#" let f = $nothing if $f == $nothing {echo $true} {echo $false} "# ); assert_eq!(actual.out, "true"); }