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Add Windows-specific comments to testing guide

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Fixes #27936
This commit is contained in:
Steve Klabnik 2015-08-26 14:02:38 -04:00
parent ef3255b063
commit af58e5cfea
1 changed files with 14 additions and 1 deletions
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15
src/doc/trpl/testing.md
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@ -120,13 +120,26 @@ And that's reflected in the summary line:
test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured
```
We also get a non-zero status code:
We also get a non-zero status code. We can use `$?` on OS X and Linux:
```bash
$ echo $?
101
```
On Windows, if you’re using `cmd`:
```bash
> echo %ERRORLEVEL%
```
And if you’re using PowerShell:
```bash
> echo $LASTEXITCODE # the code itself
> echo $? # a boolean, fail or succeed
```
This is useful if you want to integrate `cargo test` into other tooling.
We can invert our test's failure with another attribute: `should_panic`: