New upstream version 1.69.0+dfsg1

[rustc.git] / compiler / rustc_span / src / lev_distance / tests.rs

diff --git a/compiler/rustc_span/src/lev_distance/tests.rs b/compiler/rustc_span/src/lev_distance/tests.rs
deleted file mode 100644 (file)
index b17d658..0000000
--- a/compiler/rustc_span/src/lev_distance/tests.rs
+++ /dev/null
@@ -1,71 +0,0 @@
-use super::*;
-
-#[test]
-fn test_lev_distance() {
-    use std::char::{from_u32, MAX};
-    // Test bytelength agnosticity
-    for c in (0..MAX as u32).filter_map(from_u32).map(|i| i.to_string()) {
-        assert_eq!(lev_distance(&c[..], &c[..], usize::MAX), Some(0));
-    }
-
-    let a = "\nMäry häd ä little lämb\n\nLittle lämb\n";
-    let b = "\nMary häd ä little lämb\n\nLittle lämb\n";
-    let c = "Mary häd ä little lämb\n\nLittle lämb\n";
-    assert_eq!(lev_distance(a, b, usize::MAX), Some(1));
-    assert_eq!(lev_distance(b, a, usize::MAX), Some(1));
-    assert_eq!(lev_distance(a, c, usize::MAX), Some(2));
-    assert_eq!(lev_distance(c, a, usize::MAX), Some(2));
-    assert_eq!(lev_distance(b, c, usize::MAX), Some(1));
-    assert_eq!(lev_distance(c, b, usize::MAX), Some(1));
-}
-
-#[test]
-fn test_lev_distance_limit() {
-    assert_eq!(lev_distance("abc", "abcd", 1), Some(1));
-    assert_eq!(lev_distance("abc", "abcd", 0), None);
-    assert_eq!(lev_distance("abc", "xyz", 3), Some(3));
-    assert_eq!(lev_distance("abc", "xyz", 2), None);
-}
-
-#[test]
-fn test_method_name_similarity_score() {
-    assert_eq!(lev_distance_with_substrings("empty", "is_empty", 1), Some(1));
-    assert_eq!(lev_distance_with_substrings("shrunk", "rchunks", 2), None);
-    assert_eq!(lev_distance_with_substrings("abc", "abcd", 1), Some(1));
-    assert_eq!(lev_distance_with_substrings("a", "abcd", 1), None);
-    assert_eq!(lev_distance_with_substrings("edf", "eq", 1), None);
-    assert_eq!(lev_distance_with_substrings("abc", "xyz", 3), Some(3));
-    assert_eq!(lev_distance_with_substrings("abcdef", "abcdef", 2), Some(0));
-}
-
-#[test]
-fn test_find_best_match_for_name() {
-    use crate::create_default_session_globals_then;
-    create_default_session_globals_then(|| {
-        let input = vec![Symbol::intern("aaab"), Symbol::intern("aaabc")];
-        assert_eq!(
-            find_best_match_for_name(&input, Symbol::intern("aaaa"), None),
-            Some(Symbol::intern("aaab"))
-        );
-
-        assert_eq!(find_best_match_for_name(&input, Symbol::intern("1111111111"), None), None);
-
-        let input = vec![Symbol::intern("AAAA")];
-        assert_eq!(
-            find_best_match_for_name(&input, Symbol::intern("aaaa"), None),
-            Some(Symbol::intern("AAAA"))
-        );
-
-        let input = vec![Symbol::intern("AAAA")];
-        assert_eq!(
-            find_best_match_for_name(&input, Symbol::intern("aaaa"), Some(4)),
-            Some(Symbol::intern("AAAA"))
-        );
-
-        let input = vec![Symbol::intern("a_longer_variable_name")];
-        assert_eq!(
-            find_best_match_for_name(&input, Symbol::intern("a_variable_longer_name"), None),
-            Some(Symbol::intern("a_longer_variable_name"))
-        );
-    })
-}