rust/tests/matches.rs

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Rust
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#![feature(rustc_private)]
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extern crate clippy_lints;
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extern crate syntax;
#[test]
fn test_overlapping() {
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use clippy_lints::matches::overlapping;
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use syntax::codemap::DUMMY_SP;
let sp = |s, e| {
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clippy_lints::matches::SpannedRange {
span: DUMMY_SP,
node: (s, e),
}
};
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assert_eq!(None, overlapping::<u8>(&[]));
assert_eq!(None, overlapping(&[sp(1, 4)]));
assert_eq!(None, overlapping(&[sp(1, 4), sp(5, 6)]));
assert_eq!(None, overlapping(&[sp(1, 4), sp(5, 6), sp(10, 11)]));
assert_eq!(Some((&sp(1, 4), &sp(3, 6))), overlapping(&[sp(1, 4), sp(3, 6)]));
assert_eq!(Some((&sp(5, 6), &sp(6, 11))), overlapping(&[sp(1, 4), sp(5, 6), sp(6, 11)]));
}