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|
extern crate clap;
use clap::{App, Arg};
#[test]
fn multiple_occurrences_of_flags_long() {
let m = App::new("mo_flags_long")
.arg(Arg::from_usage("--multflag 'allowed multiple flag'")
.multiple(true))
.arg(Arg::from_usage("--flag 'disallowed multiple flag'"))
.get_matches_from(vec![
"",
"--multflag",
"--flag",
"--multflag"
]);
assert!(m.is_present("multflag"));
assert_eq!(m.occurrences_of("multflag"), 2);
assert!(m.is_present("flag"));
assert_eq!(m.occurrences_of("flag"), 1)
}
#[test]
fn multiple_occurrences_of_flags_short() {
let m = App::new("mo_flags_short")
.arg(Arg::from_usage("-m --multflag 'allowed multiple flag'")
.multiple(true))
.arg(Arg::from_usage("-f --flag 'disallowed multiple flag'"))
.get_matches_from(vec![
"",
"-m",
"-f",
"-m"
]);
assert!(m.is_present("multflag"));
assert_eq!(m.occurrences_of("multflag"), 2);
assert!(m.is_present("flag"));
assert_eq!(m.occurrences_of("flag"), 1);
}
#[test]
fn multiple_occurrences_of_flags_mixed() {
let m = App::new("mo_flags_mixed")
.arg(Arg::from_usage("-m, --multflag1 'allowed multiple flag'")
.multiple(true))
.arg(Arg::from_usage("-n, --multflag2 'another allowed multiple flag'")
.multiple(true))
.arg(Arg::from_usage("-f, --flag 'disallowed multiple flag'"))
.get_matches_from(vec![
"",
"-m",
"-f",
"-n",
"--multflag1",
"-m",
"--multflag2"
]);
assert!(m.is_present("multflag1"));
assert_eq!(m.occurrences_of("multflag1"), 3);
assert!(m.is_present("multflag2"));
assert_eq!(m.occurrences_of("multflag2"), 2);
assert!(m.is_present("flag"));
assert_eq!(m.occurrences_of("flag"), 1);
}
#[test]
fn multiple_occurrences_of_flags_large_quantity() {
let args : Vec<&str> = vec![""].into_iter().chain(vec!["-m"; 1024].into_iter()).collect();
let m = App::new("mo_flags_larg_qty")
.arg(Arg::from_usage("-m --multflag 'allowed multiple flag'")
.multiple(true))
.get_matches_from(args);
assert!(m.is_present("multflag"));
assert_eq!(m.occurrences_of("multflag"), 1024);
}
|
