diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/single_char_add_str.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/single_char_add_str.rs | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/single_char_add_str.rs b/src/tools/clippy/tests/ui/single_char_add_str.rs new file mode 100644 index 000000000..a799ea7d8 --- /dev/null +++ b/src/tools/clippy/tests/ui/single_char_add_str.rs @@ -0,0 +1,45 @@ +// run-rustfix +#![warn(clippy::single_char_add_str)] + +macro_rules! get_string { + () => { + String::from("Hello world!") + }; +} + +fn main() { + // `push_str` tests + + let mut string = String::new(); + string.push_str("R"); + string.push_str("'"); + + string.push('u'); + string.push_str("st"); + string.push_str(""); + string.push_str("\x52"); + string.push_str("\u{0052}"); + string.push_str(r##"a"##); + + get_string!().push_str("รถ"); + + // `insert_str` tests + + let mut string = String::new(); + string.insert_str(0, "R"); + string.insert_str(1, "'"); + + string.insert(0, 'u'); + string.insert_str(2, "st"); + string.insert_str(0, ""); + string.insert_str(0, "\x52"); + string.insert_str(0, "\u{0052}"); + let x: usize = 2; + string.insert_str(x, r##"a"##); + const Y: usize = 1; + string.insert_str(Y, r##"a"##); + string.insert_str(Y, r##"""##); + string.insert_str(Y, r##"'"##); + + get_string!().insert_str(1, "?"); +} |