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-rw-r--r--compiler/rustc_span/src/lev_distance/tests.rs71
1 files changed, 0 insertions, 71 deletions
diff --git a/compiler/rustc_span/src/lev_distance/tests.rs b/compiler/rustc_span/src/lev_distance/tests.rs
deleted file mode 100644
index b17d6588c..000000000
--- 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"))
- );
- })
-}