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Fix typo in '04-testing' (#1095)

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Julien
2022-04-08 01:04:38 +08:00
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blog/content/edition-2/posts/04-testing/index.md
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@@ -1014,7 +1014,7 @@ Apart from creating `should_panic` tests, disabling the `harness` attribute can
## Summary ## Summary
Testing is a very useful technique to ensure that certain components have a desired behavior. Even if they cannot show the absence of bugs, they're still an useful tool for finding them and especially for avoiding regressions. Testing is a very useful technique to ensure that certain components have a desired behavior. Even if they cannot show the absence of bugs, they're still a useful tool for finding them and especially for avoiding regressions.
This post explained how to set up a test framework for our Rust kernel. We used the custom test frameworks feature of Rust to implement support for a simple `#[test_case]` attribute in our bare-metal environment. By using the `isa-debug-exit` device of QEMU, our test runner can exit QEMU after running the tests and report the test status out. To print error messages to the console instead of the VGA buffer, we created a basic driver for the serial port. This post explained how to set up a test framework for our Rust kernel. We used the custom test frameworks feature of Rust to implement support for a simple `#[test_case]` attribute in our bare-metal environment. By using the `isa-debug-exit` device of QEMU, our test runner can exit QEMU after running the tests and report the test status out. To print error messages to the console instead of the VGA buffer, we created a basic driver for the serial port.