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tests: adds tests to guard against options with default values and zero or more values

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Kevin K 2017-09-14 10:18:45 -07:00
parent 9c248cbf7d
commit e1319fa198
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1 changed files with 17 additions and 0 deletions
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17
tests/opts.rs
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@ -393,3 +393,20 @@ fn issue_665() {
assert!(res.is_err()); assert!(res.is_err());
assert_eq!(res.unwrap_err().kind, ErrorKind::EmptyValue); assert_eq!(res.unwrap_err().kind, ErrorKind::EmptyValue);
} }
#[test]
fn issue_1047_min_zero_vals_default_val() {
let m = App::new("foo")
.arg(
Arg::with_name("del")
.short("d")
.long("del")
.takes_value(true)
.require_equals(true)
.min_values(0)
.default_value("default"),
)
.get_matches_from(vec!["foo", "-d"]);
assert_eq!(m.occurrences_of("del"), 1);
assert_eq!(m.value_of("del"), Some("default"));
}