wasm_bindgen_test_shared/
lib.rs

1#![doc(html_root_url = "https://docs.rs/wasm-bindgen-test-shared/0.2")]
2#![no_std]
3
4extern crate alloc;
5
6use alloc::string::{String, ToString};
7
8pub fn coverage_path(env: Option<&str>, pid: u32, tmpdir: &str, module_signature: u64) -> String {
9    let env = env.unwrap_or("default_%m_%p.profraw");
10
11    let mut path = String::new();
12    let mut chars = env.chars().enumerate().peekable();
13
14    while let Some((index, char)) = chars.next() {
15        if char != '%' {
16            path.push(char);
17            continue;
18        }
19
20        if chars.next_if(|(_, c)| *c == 'p').is_some() {
21            path.push_str(&pid.to_string())
22        } else if chars.next_if(|(_, c)| *c == 'h').is_some() {
23            path.push_str("wbgt")
24        } else if chars.next_if(|(_, c)| *c == 't').is_some() {
25            path.push_str(tmpdir)
26        } else {
27            let mut last_index = index;
28
29            loop {
30                if let Some((index, _)) = chars.next_if(|(_, c)| c.is_ascii_digit()) {
31                    last_index = index;
32                } else if chars.next_if(|(_, c)| *c == 'm').is_some() {
33                    path.push_str(&module_signature.to_string());
34                    path.push_str("_0");
35                    break;
36                } else {
37                    path.push_str(&env[index..=last_index]);
38                    break;
39                }
40            }
41        }
42    }
43
44    path
45}
46
47#[test]
48fn test() {
49    fn asssert<'a>(env: impl Into<Option<&'a str>>, result: &str) {
50        assert_eq!(coverage_path(env.into(), 123, "tmp", 456), result);
51    }
52
53    asssert(None, "default_456_0_123.profraw");
54    asssert("", "");
55    asssert("%p", "123");
56    asssert("%h", "wbgt");
57    asssert("%t", "tmp");
58    asssert("%m", "456_0");
59    asssert("%0123456789m", "456_0");
60    asssert("%", "%");
61    asssert("%%", "%%");
62    asssert("%a", "%a");
63    asssert("%0123456789", "%0123456789");
64    asssert("%0123456789p", "%0123456789p");
65    asssert("%%p", "%123");
66    asssert("%%%p", "%%123");
67    asssert("%a%p", "%a123");
68    asssert("%0123456789%p", "%0123456789123");
69    asssert("%p%", "123%");
70    asssert("%p%%", "123%%");
71    asssert("%p%a", "123%a");
72    asssert("%p%0123456789", "123%0123456789");
73    asssert("%p%0123456789p", "123%0123456789p");
74    asssert("%m%a", "456_0%a");
75    asssert("%m%0123456789", "456_0%0123456789");
76    asssert("%m%0123456789p", "456_0%0123456789p");
77    asssert("%0123456789m%a", "456_0%a");
78    asssert("%0123456789m%0123456789", "456_0%0123456789");
79    asssert("%0123456789m%0123456789p", "456_0%0123456789p");
80}
wasm_bindgen_test_shared/lib.rs

wasm_bindgen_test_shared/
lib.rs
