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Testing: PANIC_INFO needs to be adjusted after adding attributes/imports

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Philipp Oppermann
2019-04-28 13:44:42 +02:00
parent 41c54f54da
commit b8d3aa32e9
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blog/content/second-edition/posts/04-testing/index.md
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@@ -971,7 +971,7 @@ fn check_message(info: &PanicInfo) {
}
```
The function uses the [`PanicInfo::message`] function to get the panic message. If no message is reported, it calls `fail` to fail the test. Since the function is unstable, we need to add the `#![feature(panic_info_message)]` attribute at the top of our test file.
The function uses the [`PanicInfo::message`] function to get the panic message. If no message is reported, it calls `fail` to fail the test. Since the function is unstable, we need to add the `#![feature(panic_info_message)]` attribute at the top of our test file. Note that you need to adjust the `PANIC_INFO` line number after adding the attribute and the imports on top.
[`PanicInfo::message`]: https://doc.rust-lang.org/core/panic/struct.PanicInfo.html#method.message