diff options
| -rw-r--r-- | components/style/str.rs | 2 | ||||
| -rw-r--r-- | tests/unit/style/str.rs | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/components/style/str.rs b/components/style/str.rs index 70fbe538533..92febb40824 100644 --- a/components/style/str.rs +++ b/components/style/str.rs @@ -148,6 +148,6 @@ pub fn str_join<I, T>(strs: I, join: &str) -> String /// Returns true if a given string has a given prefix with case-insensitive match. pub fn starts_with_ignore_ascii_case(string: &str, prefix: &str) -> bool { - string.len() > prefix.len() && + string.len() >= prefix.len() && string.as_bytes()[0..prefix.len()].eq_ignore_ascii_case(prefix.as_bytes()) } diff --git a/tests/unit/style/str.rs b/tests/unit/style/str.rs index 439d32a5f10..154cf894158 100644 --- a/tests/unit/style/str.rs +++ b/tests/unit/style/str.rs @@ -35,6 +35,12 @@ pub fn test_str_join_many() { } #[test] +pub fn test_starts_with_ignore_ascii_case_basic() { + assert!(starts_with_ignore_ascii_case("-webkit-", "-webkit-")); + assert!(starts_with_ignore_ascii_case("-webkit-foo", "-webkit-")); +} + +#[test] pub fn test_starts_with_ignore_ascii_case_char_boundary() { assert!(!starts_with_ignore_ascii_case("aaaaa💩", "-webkit-")); } |