Merging upstream version 1.67.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 118 insertions, 0 deletions

diff --git a/vendor/icu_locid/benches/iai_langid.rs b/vendor/icu_locid/benches/iai_langid.rs
new file mode 100644
index 000000000..f964d1462
--- /dev/null
+++ b/vendor/icu_locid/benches/iai_langid.rs
@@ -0,0 +1,118 @@
+// This file is part of ICU4X. For terms of use, please see the file
+// called LICENSE at the top level of the ICU4X source tree
+// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
+
+use icu_locid::{
+    langid, subtags_language as language, subtags_region as region, LanguageIdentifier,
+};
+
+const LIDS: &[LanguageIdentifier] = &[
+    langid!("en"),
+    langid!("pl"),
+    langid!("fr-CA"),
+    langid!("zh-Hans"),
+    langid!("en-US"),
+    langid!("en-Latn-US"),
+    langid!("sr-Cyrl-BA"),
+];
+
+const LIDS_STR: &[&str] = &[
+    "en",
+    "pl",
+    "fr-CA",
+    "zh-Hans",
+    "en-US",
+    "en-Latn-US",
+    "sr-Cyrl-BA",
+];
+
+fn bench_langid_constr() {
+    // Tests the instructions required to construct a LID from an str.
+
+    let _: Vec<LanguageIdentifier> = LIDS_STR
+        .iter()
+        .map(|l| l.parse().expect("Failed to parse"))
+        .collect();
+}
+
+fn bench_langid_compare_components() {
+    // Tests the cost of comparing LID components.
+
+    let result = LIDS
+        .iter()
+        .filter(|l| l.language == language!("en") && l.region == Some(region!("US")))
+        .count();
+
+    assert_eq!(result, 2);
+}
+
+fn bench_langid_compare_components_str() {
+    // Tests the cost of comparing LID components to str.
+
+    let result = LIDS
+        .iter()
+        .filter(|l| {
+            l.language == language!("en") && l.region.map(|r| r == region!("US")).unwrap_or(false)
+        })
+        .count();
+
+    assert_eq!(result, 2);
+}
+
+fn bench_langid_strict_cmp() {
+    // Tests the cost of comparing a langid against byte strings.
+    use core::cmp::Ordering;
+
+    let lid = langid!("en_us");
+
+    let result = LIDS_STR
+        .iter()
+        .filter(|s| lid.strict_cmp(s.as_bytes()) == Ordering::Equal)
+        .count();
+
+    assert_eq!(result, 1);
+}
+
+fn bench_langid_matching() {
+    // Tests matching a LID against other LIDs.
+
+    let lid = langid!("en_us");
+
+    let count = LIDS.iter().filter(|l| lid == **l).count();
+    assert_eq!(count, 1);
+}
+
+fn bench_langid_matching_str() {
+    // Tests matching a LID against list of str.
+
+    let lid = langid!("en_us");
+
+    let count = LIDS_STR.iter().filter(|&l| lid.normalizing_eq(l)).count();
+    assert_eq!(count, 1);
+}
+
+fn bench_langid_serialize() {
+    // Tests serialization of LIDs.
+
+    let _: Vec<String> = LIDS.iter().map(|l| l.to_string()).collect();
+}
+
+fn bench_langid_canonicalize() {
+    // Tests canonicalization of strings.
+
+    let _: Vec<String> = LIDS_STR
+        .iter()
+        .map(|l| LanguageIdentifier::canonicalize(l).expect("Canonicalization failed"))
+        .collect();
+}
+
+iai::main!(
+    bench_langid_constr,
+    bench_langid_compare_components,
+    bench_langid_compare_components_str,
+    bench_langid_strict_cmp,
+    bench_langid_matching,
+    bench_langid_matching_str,
+    bench_langid_serialize,
+    bench_langid_canonicalize,
+);