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tests: adds tests for using double hyphen -- as a value

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This commit is contained in:
Kevin K 2017-05-15 18:08:33 -04:00
parent 34a7436dd3
commit 5209b61192
1 changed files with 16 additions and 2 deletions
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18
tests/opts.rs
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@ -28,6 +28,20 @@ fn require_equals_fail() {
assert_eq!(res.unwrap_err().kind, ErrorKind::EmptyValue);
}
#[test]
fn double_hyphen_as_value() {
let res = App::new("prog")
.arg(Arg::with_name("cfg")
.takes_value(true)
.allow_hyphen_values(true)
.long("config"))
.get_matches_from_safe(vec![
"prog", "--config", "--"
]);
assert!(res.is_ok(), "{:?}", res);
assert_eq!(res.unwrap().value_of("cfg"), Some("--"));
}
#[test]
fn require_equals_no_empty_values_fail() {
let res = App::new("prog")
@ -330,10 +344,10 @@ fn leading_hyphen_with_flag_before() {
#[test]
fn leading_hyphen_with_only_pos_follows() {
let r = App::new("mvae")
.arg(Arg::from_usage("-o [opt]... 'some opt'").allow_hyphen_values(true))
.arg(Arg::from_usage("-o [opt]... 'some opt'").number_of_values(1).allow_hyphen_values(true))
.arg_from_usage("[arg] 'some arg'")
.get_matches_from_safe(vec!["", "-o", "-2", "--", "val"]);
assert!(r.is_ok());
assert!(r.is_ok(), "{:?}", r);
let m = r.unwrap();
assert!(m.is_present("o"));
assert_eq!(m.values_of("o").unwrap().collect::<Vec<_>>(), &["-2"]);