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all: add tests for usage error exit code
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@ -10,6 +10,11 @@ use crate::common::util::*;
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extern crate stat;
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pub use self::stat::*;
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#[test]
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fn test_invalid_arg() {
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new_ucmd!().arg("--definitely-invalid").fails().code_is(1);
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}
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#[test]
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fn test_scanners() {
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assert_eq!(Some((-5, 2)), "-5zxc".scan_num::<i32>());
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