diff options
Diffstat (limited to 'third_party/rust/thiserror/tests/test_path.rs')
-rw-r--r-- | third_party/rust/thiserror/tests/test_path.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/third_party/rust/thiserror/tests/test_path.rs b/third_party/rust/thiserror/tests/test_path.rs new file mode 100644 index 0000000000..a34a3d74e9 --- /dev/null +++ b/third_party/rust/thiserror/tests/test_path.rs @@ -0,0 +1,37 @@ +use ref_cast::RefCast; +use std::fmt::Display; +use std::path::{Path, PathBuf}; +use thiserror::Error; + +#[derive(Error, Debug)] +#[error("failed to read '{file}'")] +struct StructPathBuf { + file: PathBuf, +} + +#[derive(Error, Debug, RefCast)] +#[repr(C)] +#[error("failed to read '{file}'")] +struct StructPath { + file: Path, +} + +#[derive(Error, Debug)] +enum EnumPathBuf { + #[error("failed to read '{0}'")] + Read(PathBuf), +} + +fn assert<T: Display>(expected: &str, value: T) { + assert_eq!(expected, value.to_string()); +} + +#[test] +fn test_display() { + let path = Path::new("/thiserror"); + let file = path.to_owned(); + assert("failed to read '/thiserror'", StructPathBuf { file }); + let file = path.to_owned(); + assert("failed to read '/thiserror'", EnumPathBuf::Read(file)); + assert("failed to read '/thiserror'", StructPath::ref_cast(path)); +} |