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firefox/third_party/rust/smallvec/tests/macro.rs
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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Rust

/// This file tests `smallvec!` without actually having the macro in scope.
/// This forces any recursion to use a `$crate` prefix to reliably find itself.
#[test]
fn smallvec() {
let mut vec: smallvec::SmallVec<[i32; 2]>;
macro_rules! check {
($init:tt) => {
vec = smallvec::smallvec! $init;
assert_eq!(*vec, *vec! $init);
}
}
check!([0; 0]);
check!([1; 1]);
check!([2; 2]);
check!([3; 3]);
check!([]);
check!([1]);
check!([1, 2]);
check!([1, 2, 3]);
}