diff options
| -rw-r--r-- | src/libcoretest/str.rs | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/libcoretest/str.rs b/src/libcoretest/str.rs index 375564c39bb..308c5282a92 100644 --- a/src/libcoretest/str.rs +++ b/src/libcoretest/str.rs @@ -121,3 +121,110 @@ fn test_utf16_code_units() { assert_eq!(Utf16Encoder::new(vec!['é', '\u{1F4A9}'].into_iter()).collect::<Vec<u16>>(), vec![0xE9, 0xD83D, 0xDCA9]) } + + +// rm x86_64-unknown-linux-gnu/stage1/test/coretesttest-x86_64-unknown-linux-gnu; env PLEASE_BENCH=1 make check-stage1-coretest TESTNAME=str::bench + +mod bench { + macro_rules! make_test_inner { + ($s:ident, $code:expr, $name:ident, $str:expr) => { + #[bench] + fn $name(bencher: &mut Bencher) { + let mut $s = $str; + black_box(&mut $s); + bencher.iter(|| $code); + } + } + } + + macro_rules! make_test { + ($name:ident, $s:ident, $code:expr) => { + mod $name { + use test::Bencher; + use test::black_box; + + // Short strings: 65 bytes each + make_test_inner!($s, $code, short_ascii, + "Mary had a little lamb, Little lamb Mary had a littl lamb, lamb!"); + make_test_inner!($s, $code, short_mixed, + "ศไทย中华Việt Nam; Mary had a little lamb, Little lam!"); + make_test_inner!($s, $code, short_pile_of_poo, + "💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩💩!"); + make_test_inner!($s, $code, long_lorem_ipsum,"\ +Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse quis lorem sit amet dolor \ +ultricies condimentum. Praesent iaculis purus elit, ac malesuada quam malesuada in. Duis sed orci \ +eros. Suspendisse sit amet magna mollis, mollis nunc luctus, imperdiet mi. Integer fringilla non \ +sem ut lacinia. Fusce varius tortor a risus porttitor hendrerit. Morbi mauris dui, ultricies nec \ +tempus vel, gravida nec quam. + +In est dui, tincidunt sed tempus interdum, adipiscing laoreet ante. Etiam tempor, tellus quis \ +sagittis interdum, nulla purus mattis sem, quis auctor erat odio ac tellus. In nec nunc sit amet \ +diam volutpat molestie at sed ipsum. Vestibulum laoreet consequat vulputate. Integer accumsan \ +lorem ac dignissim placerat. Suspendisse convallis faucibus lorem. Aliquam erat volutpat. In vel \ +eleifend felis. Sed suscipit nulla lorem, sed mollis est sollicitudin et. Nam fermentum egestas \ +interdum. Curabitur ut nisi justo. + +Sed sollicitudin ipsum tellus, ut condimentum leo eleifend nec. Cras ut velit ante. Phasellus nec \ +mollis odio. Mauris molestie erat in arcu mattis, at aliquet dolor vehicula. Quisque malesuada \ +lectus sit amet nisi pretium, a condimentum ipsum porta. Morbi at dapibus diam. Praesent egestas \ +est sed risus elementum, eu rutrum metus ultrices. Etiam fermentum consectetur magna, id rutrum \ +felis accumsan a. Aliquam ut pellentesque libero. Sed mi nulla, lobortis eu tortor id, suscipit \ +ultricies neque. Morbi iaculis sit amet risus at iaculis. Praesent eget ligula quis turpis \ +feugiat suscipit vel non arcu. Interdum et malesuada fames ac ante ipsum primis in faucibus. \ +Aliquam sit amet placerat lorem. + +Cras a lacus vel ante posuere elementum. Nunc est leo, bibendum ut facilisis vel, bibendum at \ +mauris. Nullam adipiscing diam vel odio ornare, luctus adipiscing mi luctus. Nulla facilisi. \ +Mauris adipiscing bibendum neque, quis adipiscing lectus tempus et. Sed feugiat erat et nisl \ +lobortis pharetra. Donec vitae erat enim. Nullam sit amet felis et quam lacinia tincidunt. Aliquam \ +suscipit dapibus urna. Sed volutpat urna in magna pulvinar volutpat. Phasellus nec tellus ac diam \ +cursus accumsan. + +Nam lectus enim, dapibus non nisi tempor, consectetur convallis massa. Maecenas eleifend dictum \ +feugiat. Etiam quis mauris vel risus luctus mattis a a nunc. Nullam orci quam, imperdiet id \ +vehicula in, porttitor ut nibh. Duis sagittis adipiscing nisl vitae congue. Donec mollis risus eu \ +leo suscipit, varius porttitor nulla porta. Pellentesque ut sem nec nisi euismod vehicula. Nulla \ +malesuada sollicitudin quam eu fermentum!"); + } + } + } + + make_test!(chars_count, s, s.chars().count()); + + make_test!(contains_bang_str, s, s.contains("!")); + make_test!(contains_bang_char, s, s.contains_char('!')); + + make_test!(match_indices_a_str, s, s.match_indices("a").count()); + + make_test!(split_str_a_str, s, s.split_str("a").count()); + + make_test!(trim_ascii_char, s, { + use std::ascii::AsciiExt; + s.trim_matches(|&mut: c: char| c.is_ascii()) + }); + make_test!(trim_left_ascii_char, s, { + use std::ascii::AsciiExt; + s.trim_left_matches(|&mut: c: char| c.is_ascii()) + }); + make_test!(trim_right_ascii_char, s, { + use std::ascii::AsciiExt; + s.trim_right_matches(|&mut: c: char| c.is_ascii()) + }); + + make_test!(find_underscore_char, s, s.find('_')); + make_test!(rfind_underscore_char, s, s.rfind('_')); + make_test!(find_underscore_str, s, s.find_str("_")); + + make_test!(find_zzz_char, s, s.find('\u{1F4A4}')); + make_test!(rfind_zzz_char, s, s.rfind('\u{1F4A4}')); + make_test!(find_zzz_str, s, s.find_str("\u{1F4A4}")); + + make_test!(split_space_char, s, s.split(' ').count()); + make_test!(split_terminator_space_char, s, s.split_terminator(' ').count()); + + make_test!(splitn_space_char, s, s.splitn(10, ' ').count()); + make_test!(rsplitn_space_char, s, s.rsplitn(10, ' ').count()); + + make_test!(split_str_space_str, s, s.split_str(" ").count()); + make_test!(split_str_ad_str, s, s.split_str("ad").count()); +} |