nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2025-01-22 12:43:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

Improve strip_shebang testing.

Browse Source 
It's currently a bit ad hoc. This commit makes it more methodical, with
pairs of match/no-match tests for all the relevant cases.
This commit is contained in:
Nicholas Nethercote 2024-11-15 11:00:46 +11:00
parent ba1a1ddc3f
commit 11c96cfd94
1 changed files with 35 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

80
compiler/rustc_lexer/src/tests.rs
View File

@ -77,63 +77,53 @@ fn test_too_many_hashes() {
check_raw_str(&s2, Err(RawStrError::TooManyDelimiters { found: u32::from(max_count) + 1 }));
}
// https://github.com/rust-lang/rust/issues/70528
#[test]
fn test_valid_shebang() {
// https://github.com/rust-lang/rust/issues/70528
let input = "#!/usr/bin/rustrun\nlet x = 5;";
assert_eq!(strip_shebang(input), Some(18));
}
let input = "#!/bin/bash";
assert_eq!(strip_shebang(input), Some(input.len()));
#[test]
fn test_invalid_shebang_valid_rust_syntax() {
// https://github.com/rust-lang/rust/issues/70528
let input = "#! [bad_attribute]";
let input = "#![attribute]";
assert_eq!(strip_shebang(input), None);
let input = "#! /bin/bash";
assert_eq!(strip_shebang(input), Some(input.len()));
let input = "#! [attribute]";
assert_eq!(strip_shebang(input), None);
let input = "#! /* blah */ /bin/bash";
assert_eq!(strip_shebang(input), Some(input.len()));
let input = "#! /* blah */ [attribute]";
assert_eq!(strip_shebang(input), None);
let input = "#! // blah\n/bin/bash";
assert_eq!(strip_shebang(input), Some(10)); // strip up to the newline
let input = "#! // blah\n[attribute]";
assert_eq!(strip_shebang(input), None);
let input = "#! /* blah\nblah\nblah */ /bin/bash";
assert_eq!(strip_shebang(input), Some(10));
let input = "#! /* blah\nblah\nblah */ [attribute]";
assert_eq!(strip_shebang(input), None);
let input = "#!\n/bin/sh";
assert_eq!(strip_shebang(input), Some(2));
let input = "#!\n[attribute]";
assert_eq!(strip_shebang(input), None);
}
#[test]
fn test_shebang_second_line() {
// Because shebangs are interpreted by the kernel, they must be on the first line
let input = "\n#!/bin/bash";
assert_eq!(strip_shebang(input), None);
}
#[test]
fn test_shebang_space() {
let input = "#! /bin/bash";
assert_eq!(strip_shebang(input), Some(input.len()));
}
#[test]
fn test_shebang_empty_shebang() {
let input = "#! \n[attribute(foo)]";
let input = "\n#![attribute]";
assert_eq!(strip_shebang(input), None);
}
#[test]
fn test_invalid_shebang_comment() {
let input = "#!//bin/ami/a/comment\n[";
assert_eq!(strip_shebang(input), None)
}
#[test]
fn test_invalid_shebang_another_comment() {
let input = "#!/*bin/ami/a/comment*/\n[attribute";
assert_eq!(strip_shebang(input), None)
}
#[test]
fn test_shebang_valid_rust_after() {
let input = "#!/*bin/ami/a/comment*/\npub fn main() {}";
assert_eq!(strip_shebang(input), Some(23))
}
#[test]
fn test_shebang_followed_by_attrib() {
let input = "#!/bin/rust-scripts\n#![allow_unused(true)]";
assert_eq!(strip_shebang(input), Some(19));
}
fn check_lexing(src: &str, expect: Expect) {
let actual: String = tokenize(src).map(|token| format!("{:?}\n", token)).collect();
expect.assert_eq(&actual)