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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /third_party/rust/minimal-lexical/tests/stackvec.rs
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/minimal-lexical/tests/stackvec.rs')
-rw-r--r--third_party/rust/minimal-lexical/tests/stackvec.rs32
1 files changed, 32 insertions, 0 deletions
diff --git a/third_party/rust/minimal-lexical/tests/stackvec.rs b/third_party/rust/minimal-lexical/tests/stackvec.rs
new file mode 100644
index 0000000000..d5587f23f8
--- /dev/null
+++ b/third_party/rust/minimal-lexical/tests/stackvec.rs
@@ -0,0 +1,32 @@
+use minimal_lexical::bigint;
+#[cfg(feature = "alloc")]
+pub use minimal_lexical::heapvec::HeapVec as VecType;
+#[cfg(not(feature = "alloc"))]
+pub use minimal_lexical::stackvec::StackVec as VecType;
+
+pub fn vec_from_u32(x: &[u32]) -> VecType {
+ let mut vec = VecType::new();
+ #[cfg(not(all(target_pointer_width = "64", not(target_arch = "sparc"))))]
+ {
+ for &xi in x {
+ vec.try_push(xi as bigint::Limb).unwrap();
+ }
+ }
+
+ #[cfg(all(target_pointer_width = "64", not(target_arch = "sparc")))]
+ {
+ for xi in x.chunks(2) {
+ match xi.len() {
+ 1 => vec.try_push(xi[0] as bigint::Limb).unwrap(),
+ 2 => {
+ let xi0 = xi[0] as bigint::Limb;
+ let xi1 = xi[1] as bigint::Limb;
+ vec.try_push((xi1 << 32) | xi0).unwrap()
+ },
+ _ => unreachable!(),
+ }
+ }
+ }
+
+ vec
+}