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16 commits

Author SHA1 Message Date
y21
f09cd88199
fix false positive in suspicious_open_options, make paths work 2024-01-15 17:15:09 +00:00
atwam
515fe65ba8
Fix conflicts
- New ineffective_open_options had to be fixed.
- Now not raising an issue on missing `truncate` when `append(true)`
  makes the intent clear.
- Try implementing more advanced tests for non-chained operations. Fail
2024-01-15 17:15:09 +00:00
atwam
84588a8815
Add suggestion/fix to suspicious_open_options
Also rebase and fix conflicts
2024-01-15 17:15:09 +00:00
atwam
6fb471d646
More helpful text, small style changes. 2024-01-15 17:15:08 +00:00
atwam
6c201db005
Add suspicious_open_options lint.
Checks for the suspicious use of OpenOptions::create()
without an explicit OpenOptions::truncate().

create() alone will either create a new file or open an
existing file. If the file already exists, it will be
overwritten when written to, but the file will not be
truncated by default. If less data is written to the file
than it already contains, the remainder of the file will
remain unchanged, and the end of the file will contain old
data.
In most cases, one should either use `create_new` to ensure
the file is created from scratch, or ensure `truncate` is
called so that the truncation behaviour is explicit.
`truncate(true)` will ensure the file is entirely overwritten
with new data, whereas `truncate(false)` will explicitely
keep the default behavior.

```rust
use std::fs::OpenOptions;

OpenOptions::new().create(true).truncate(true);
```
2024-01-15 17:15:08 +00:00
Guillaume Gomez
a05d3a4137 Automatic generation of error annotations for ui tests 2023-08-22 17:18:11 +02:00
Philipp Hansch
38d4ac7cea
Remove all copyright license headers
Discussion previously happened in https://github.com/rust-lang/rust/pull/43498
2019-01-08 21:46:39 +01:00
Matthias Krüger
435299be30 rustfmt tests 2018-12-09 23:26:16 +01:00
Oliver Scherer
b8654eaa6c Stabilize tool lints 2018-10-11 12:16:22 +02:00
Manish Goregaokar
e9c025ea70 Add license header to Rust files 2018-10-06 09:43:08 -07:00
flip1995
1b6f6051a8 Adapt ui-tests to the tool_lints 2018-08-29 11:08:29 -07:00
Oliver Schneider
50ffaca4c9
Reduce the hackiness of cargo-clippy 2017-10-03 12:07:24 +02:00
Oliver Schneider
74c776585c Move all our tests back to ui tests 2017-08-01 17:54:21 +02:00
Oliver Schneider
4465bc3e3f Make most tests an example so we can run them one by one 2017-05-17 14:19:44 +02:00
Oliver Schneider
1f2c97a291 remove all //~ from tests 2017-02-08 14:58:07 +01:00
Oliver Schneider
fd1351f6e3 rustup and compile-fail -> ui test move 2017-02-07 21:05:30 +01:00
Renamed from tests/compile-fail/open_options.rs (Browse further)