diff options
Diffstat (limited to 'src/liballoc/tests')
| -rw-r--r-- | src/liballoc/tests/str.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/liballoc/tests/str.rs b/src/liballoc/tests/str.rs index 1a47e5433ea..d11bf5dc3e9 100644 --- a/src/liballoc/tests/str.rs +++ b/src/liballoc/tests/str.rs @@ -989,6 +989,12 @@ fn test_escape_unicode() { #[test] fn test_escape_debug() { + // Note that there are subtleties with the number of backslashes + // on the left- and right-hand sides. In particular, Unicode code points + // are usually escaped with two backslashes on the right-hand side, as + // they are escaped. However, when the character is unescaped (e.g. for + // printable characters), only a single backslash appears (as the character + // itself appears in the debug string). assert_eq!("abc".escape_debug(), "abc"); assert_eq!("a c".escape_debug(), "a c"); assert_eq!("éèê".escape_debug(), "éèê"); @@ -999,6 +1005,7 @@ fn test_escape_debug() { assert_eq!("\u{10000}\u{10ffff}".escape_debug(), "\u{10000}\\u{10ffff}"); assert_eq!("ab\u{200b}".escape_debug(), "ab\\u{200b}"); assert_eq!("\u{10d4ea}\r".escape_debug(), "\\u{10d4ea}\\r"); + assert_eq!("\u{301}a\u{301}bé\u{e000}".escape_debug(), "\\u{301}a\u{301}bé\\u{e000}"); } #[test] |