1 // Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
23     let string = iter::repeat('a').take(4096).collect::<String>();  in cargo()  localVariable
26         for c in string.chars() {  in cargo()
27             test::black_box(UnicodeWidthChar::width(c));  in cargo()
36     let string = iter::repeat('a').take(4096).collect::<String>();  in stdlib()  localVariable
39         for c in string.chars() {  in stdlib()
40             test::black_box(c.width());  in stdlib()
48     let string = iter::repeat('a').take(4096).collect::<String>();  in simple_if()  localVariable
51         for c in string.chars() {  in simple_if()
60     let string = iter::repeat('a').take(4096).collect::<String>();  in simple_match()  localVariable
63         for c in string.chars() {  in simple_match()
71 fn simple_width_if(c: char) -> Option<usize> {  in simple_width_if()
82         UnicodeWidthChar::width(c)  in simple_width_if()
88 fn simple_width_match(c: char) -> Option<usize> {  in simple_width_match()
93         _ => UnicodeWidthChar::width(c)  in simple_width_match()
101     let string = std::fs::read_to_string(data_path).unwrap_or_default();  in enwik8()  localVariable
102     b.iter(|| test::black_box(UnicodeWidthStr::width(string.as_str())));  in enwik8()
107     // To benchmark, download & extract `jawiki-20220501-pages-articles-multistream-index.txt` from  in jawiki()
108 …// https://dumps.wikimedia.org/jawiki/20220501/jawiki-20220501-pages-articles-multistream-index.tx…  in jawiki()
109     let data_path = "bench_data/jawiki-20220501-pages-articles-multistream-index.txt";  in jawiki()
110     let string = std::fs::read_to_string(data_path).unwrap_or_default();  in jawiki()  localVariable
111     b.iter(|| test::black_box(UnicodeWidthStr::width(string.as_str())));  in jawiki()
117     assert_eq!(UnicodeWidthStr::width("ｈｅｌｌｏ"), 10);  in test_str()
119     assert_eq!(UnicodeWidthStr::width("\0\0\0\x01\x01"), 0);  in test_str()
121     assert_eq!(UnicodeWidthStr::width(""), 0);  in test_str()
123     assert_eq!(UnicodeWidthStr::width("\u{2081}\u{2082}\u{2083}\u{2084}"), 4);  in test_str()
132     assert_eq!(UnicodeWidthStr::width("��"), 2); // Woman  in test_emoji()
133     assert_eq!(UnicodeWidthStr::width("��"), 2); // Microscope  in test_emoji()
134     assert_eq!(UnicodeWidthStr::width("��‍��"), 4); // Woman scientist  in test_emoji()
143     assert_eq!(UnicodeWidthChar::width('ｈ'), Some(2));  in test_char()
145     assert_eq!(UnicodeWidthChar::width('\x00'), Some(0));  in test_char()
147     assert_eq!(UnicodeWidthChar::width('\x01'), None);  in test_char()
149     assert_eq!(UnicodeWidthChar::width('\u{2081}'), Some(1));  in test_char()
159     assert_eq!(UnicodeWidthChar::width('\x00'),Some(0));  in test_char2()
162     assert_eq!(UnicodeWidthChar::width('\x0A'),None);  in test_char2()
165     assert_eq!(UnicodeWidthChar::width('w'),Some(1));  in test_char2()
168     assert_eq!(UnicodeWidthChar::width('ｈ'),Some(2));  in test_char2()
171     assert_eq!(UnicodeWidthChar::width('\u{AD}'),Some(1));  in test_char2()
174     assert_eq!(UnicodeWidthChar::width('\u{1160}'),Some(0));  in test_char2()
177     assert_eq!(UnicodeWidthChar::width('\u{a1}'),Some(1));  in test_char2()
180     assert_eq!(UnicodeWidthChar::width('\u{300}'),Some(0));  in test_char2()
190     assert_eq!(UnicodeWidthChar::width('\u{1F971}'), Some(2));  in unicode_12()