test,doc: document crashOnUnhandledRejection()

Add documentation for `common.crashOnUnhandledRejection()`.

Ref: a9c2078a60 (r113737423)
PR-URL: https://github.com/nodejs/node/pull/12699
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
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Anna Henningsen 2017-04-27 18:09:57 +02:00
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@ -186,6 +186,13 @@ doesn't have privileges to create symlinks (specifically
[SeCreateSymbolicLinkPrivilege](https://msdn.microsoft.com/en-us/library/windows/desktop/bb530716(v=vs.85).aspx)). [SeCreateSymbolicLinkPrivilege](https://msdn.microsoft.com/en-us/library/windows/desktop/bb530716(v=vs.85).aspx)).
On non-Windows platforms, this currently returns true. On non-Windows platforms, this currently returns true.
### crashOnUnhandledRejection()
Installs a `process.on('unhandledRejection')` handler that crashes the process
after a tick. This is useful for tests that use Promises and need to make sure
no unexpected rejections occur, because currently they result in silent
failures.
### ddCommand(filename, kilobytes) ### ddCommand(filename, kilobytes)
* return [&lt;Object>](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object) * return [&lt;Object>](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)