mirror of
https://github.com/clap-rs/clap
synced 2024-09-21 06:41:54 +00:00
75 lines
2.6 KiB
Rust
75 lines
2.6 KiB
Rust
extern crate clap;
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use clap::{App, Arg};
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#[test]
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fn multiple_occurrences_of_flags_long() {
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let m = App::new("mo_flags_long")
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.arg(Arg::from_usage("--multflag 'allowed multiple flag'")
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.multiple(true))
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.arg(Arg::from_usage("--flag 'disallowed multiple flag'"))
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.get_matches_from(vec![
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"",
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"--multflag",
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"--flag",
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"--multflag"
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]);
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assert!(m.is_present("multflag"));
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assert_eq!(m.occurrences_of("multflag"), 2);
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assert!(m.is_present("flag"));
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assert_eq!(m.occurrences_of("flag"), 1)
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}
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#[test]
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fn multiple_occurrences_of_flags_short() {
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let m = App::new("mo_flags_short")
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.arg(Arg::from_usage("-m --multflag 'allowed multiple flag'")
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.multiple(true))
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.arg(Arg::from_usage("-f --flag 'disallowed multiple flag'"))
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.get_matches_from(vec![
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"",
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"-m",
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"-f",
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"-m"
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]);
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assert!(m.is_present("multflag"));
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assert_eq!(m.occurrences_of("multflag"), 2);
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assert!(m.is_present("flag"));
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assert_eq!(m.occurrences_of("flag"), 1);
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}
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#[test]
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fn multiple_occurrences_of_flags_mixed() {
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let m = App::new("mo_flags_mixed")
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.arg(Arg::from_usage("-m, --multflag1 'allowed multiple flag'")
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.multiple(true))
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.arg(Arg::from_usage("-n, --multflag2 'another allowed multiple flag'")
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.multiple(true))
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.arg(Arg::from_usage("-f, --flag 'disallowed multiple flag'"))
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.get_matches_from(vec![
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"",
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"-m",
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"-f",
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"-n",
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"--multflag1",
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"-m",
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"--multflag2"
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]);
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assert!(m.is_present("multflag1"));
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assert_eq!(m.occurrences_of("multflag1"), 3);
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assert!(m.is_present("multflag2"));
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assert_eq!(m.occurrences_of("multflag2"), 2);
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assert!(m.is_present("flag"));
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assert_eq!(m.occurrences_of("flag"), 1);
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}
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#[test]
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fn multiple_occurrences_of_flags_large_quantity() {
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let args : Vec<&str> = vec![""].into_iter().chain(vec!["-m"; 1024].into_iter()).collect();
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let m = App::new("mo_flags_larg_qty")
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.arg(Arg::from_usage("-m --multflag 'allowed multiple flag'")
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.multiple(true))
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.get_matches_from(args);
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assert!(m.is_present("multflag"));
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assert_eq!(m.occurrences_of("multflag"), 1024);
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}
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